Pub Date : 2023-03-30DOI: 10.25299/rem.2023.vol6.no01.10973
Andrie Harmaji, A. Korda, Rama Ramadhan, S. Pambudi
JIS SUP 9 steel is one of the materials commonly used for suspension components in motorized vehicles with medium carbon steel base material. It must have good hardness and toughness so that failure does not occur during operational. This research was conducted to increase the hardness of JIS SUP 9 Steel through a heat treatment and various quenching media. The heat treatment was carried out with 830-880ºC temperature with a holding time of 7 minutes then cooled using water and oil. After treatment, tempering was carried out with a holding time of 7 minutes and then cooled in room temperature. Hardness testing was carried out using Microhardness Vickers and then the microstructure was observed using an Olympus Metallurgical Microscope. The results show that heat treatment followed by rapid cooling increases the initial hardness of JIS SUP 9 (229 VHN) steel. The decrease in hardness after the tempering process will be higher with increasing tempering temperature. The results of the microstructure of the sample without heat treatment showed pearlite and ferrite phases. After heat treatment, tempered martensite, residual austenite and carbide phases appear. It can be concluded that changes in the microstructure affect the hardness of JIS SUP 9 steel.
{"title":"Effect of Quenching Medium and Tempering Temperature on Microstructure and Hardness of JIS SUP 9 Steel","authors":"Andrie Harmaji, A. Korda, Rama Ramadhan, S. Pambudi","doi":"10.25299/rem.2023.vol6.no01.10973","DOIUrl":"https://doi.org/10.25299/rem.2023.vol6.no01.10973","url":null,"abstract":"JIS SUP 9 steel is one of the materials commonly used for suspension components in motorized vehicles with medium carbon steel base material. It must have good hardness and toughness so that failure does not occur during operational. This research was conducted to increase the hardness of JIS SUP 9 Steel through a heat treatment and various quenching media. The heat treatment was carried out with 830-880ºC temperature with a holding time of 7 minutes then cooled using water and oil. After treatment, tempering was carried out with a holding time of 7 minutes and then cooled in room temperature. Hardness testing was carried out using Microhardness Vickers and then the microstructure was observed using an Olympus Metallurgical Microscope. The results show that heat treatment followed by rapid cooling increases the initial hardness of JIS SUP 9 (229 VHN) steel. The decrease in hardness after the tempering process will be higher with increasing tempering temperature. The results of the microstructure of the sample without heat treatment showed pearlite and ferrite phases. After heat treatment, tempered martensite, residual austenite and carbide phases appear. It can be concluded that changes in the microstructure affect the hardness of JIS SUP 9 steel.","PeriodicalId":33715,"journal":{"name":"Journal of Renewable Energy and Mechanics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90213016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-30DOI: 10.25299/rem.2023.vol6.no01.11274
Nover Martaheru, Dedikarni, R. Z. Aldio, Dody Yulianto, Kurnia Hastuti
Pellet silika merupakan produk teknologi keramik komposit berbahan penguat pasir silika yang diaplikasikan dalam industri minyak dan gas sebagai proppant (pasir frank) maupun sebagai filter air dan industri perminyakan. Penelitian ini bertujuan untuk mendapatkan pengaruh ukuran pasir silika terhadap kekuatan tekan, permeabilitas dan mikrostruktur. Pada penelitian ini, ukuran pasir silika yang dipilih ukuran pasir silika halus yaitu (200 mesh) dan pasir silika kasar yaitu (20 mesh) dan diikat oleh polyethylene glycol (PEG) 400. Hasil uji kekuatan tekan terendah didapat pada sampel I yaitu 33,24 MPa sedangkan kekuatan tekan tertinggi pada sampel III yaitu sebesar 34,05 MPa. Karena semakin banyaknya ukuran butir pellet silika halus mampu memberikan ikatan interfacial pada polyethylene glycol (PEG) 400, dengan ukuran diameter lebih kecil akan memudahkan terjadi ikatan pada matriks sehingga meningkatkan nilai kekuatan tekan. Namun, uji permeabilitas berbanding terbalik pada kekuatan tekan dimana nilai permeabilitas tertinggi didapat pada sampel I yaitu 29,93 mD, sedangkan nilai permeabilitas terendah pada sampel III yaitu sebesar 23,35 mD. Hal ini karena adanya hubungan ukuran pasir silika halus yang berlawanan arah dengan ukuran pasir silika kasar. Artinya, apabila ukuran butir pasir silika halus naik dan ukuran butir silika kasar turun maka nilai permeabilitas turun. Hasil pengamatan mikrostruktur pada sampel I terlihat lebih sedikit rongga atau porosity dan membuat suatu ikatan interfacial yang lebih kuat. Karena adanya ukuran butir pasir silika halus lebih dominan banyak dari pada ukuran butir pasir silika kasar serta dibantu oleh pengikat berupa polyethylene glycol (PEG) 400.
{"title":"The Effect of Silica Sand Size on Mechanical Properties, Permeability and Proppant Microstructure","authors":"Nover Martaheru, Dedikarni, R. Z. Aldio, Dody Yulianto, Kurnia Hastuti","doi":"10.25299/rem.2023.vol6.no01.11274","DOIUrl":"https://doi.org/10.25299/rem.2023.vol6.no01.11274","url":null,"abstract":"Pellet silika merupakan produk teknologi keramik komposit berbahan penguat pasir silika yang diaplikasikan dalam industri minyak dan gas sebagai proppant (pasir frank) maupun sebagai filter air dan industri perminyakan. Penelitian ini bertujuan untuk mendapatkan pengaruh ukuran pasir silika terhadap kekuatan tekan, permeabilitas dan mikrostruktur. Pada penelitian ini, ukuran pasir silika yang dipilih ukuran pasir silika halus yaitu (200 mesh) dan pasir silika kasar yaitu (20 mesh) dan diikat oleh polyethylene glycol (PEG) 400. Hasil uji kekuatan tekan terendah didapat pada sampel I yaitu 33,24 MPa sedangkan kekuatan tekan tertinggi pada sampel III yaitu sebesar 34,05 MPa. Karena semakin banyaknya ukuran butir pellet silika halus mampu memberikan ikatan interfacial pada polyethylene glycol (PEG) 400, dengan ukuran diameter lebih kecil akan memudahkan terjadi ikatan pada matriks sehingga meningkatkan nilai kekuatan tekan. Namun, uji permeabilitas berbanding terbalik pada kekuatan tekan dimana nilai permeabilitas tertinggi didapat pada sampel I yaitu 29,93 mD, sedangkan nilai permeabilitas terendah pada sampel III yaitu sebesar 23,35 mD. Hal ini karena adanya hubungan ukuran pasir silika halus yang berlawanan arah dengan ukuran pasir silika kasar. Artinya, apabila ukuran butir pasir silika halus naik dan ukuran butir silika kasar turun maka nilai permeabilitas turun. Hasil pengamatan mikrostruktur pada sampel I terlihat lebih sedikit rongga atau porosity dan membuat suatu ikatan interfacial yang lebih kuat. Karena adanya ukuran butir pasir silika halus lebih dominan banyak dari pada ukuran butir pasir silika kasar serta dibantu oleh pengikat berupa polyethylene glycol (PEG) 400. \u0000 ","PeriodicalId":33715,"journal":{"name":"Journal of Renewable Energy and Mechanics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89232846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-30DOI: 10.25299/rem.2022.vol5.no02.9709
Dody Yulianto, Muhammad Rintami, Irwan Anwar, Kurnia Hastuti
ABSTRAK Perkembangan teknologi komposit tidak hanya pada komposit sintetis, akan tetapi juga mengarah pada komposit alam (Natural Composite) dikarenakan keistimewaan sifatnya yang dapat di daur ulang atau istilah lain terbarukan. Penelitian ini bertujuan membuat bahan komposit serat alam dan resin epoxy terhadap sifat mekanis. Pada penelitian ini, komposisi tandan kosong kelapa sawit dan serat kulit akasia dengan nilai 15%+5%, 10%+10% dan 5%+15% dengan bahan perekat resin epoxy 80%. Hasil uji bending menunjukkan bahwa campuran komposit 80% resin epoxy, 15 % serat tandan kosong kelapa sawit dan 5 % serbuk kayu akasia mempunyai nilai kekuatan bending yang terendah yaitu 9,95N/mm2, sedangkan campuran komposit 80% resin epoxy, 5% serat tandan kosong kelapa sawit dan 15 % serbuk kayu akasia mempunyai nilai kekuatan bending tertinggi yaitu 20,84 N/mm2. Hal ini disebabkan karena campuran serbuk kayu akasia memiliki struktur dari serat akasa lebih kasar, kuat, padat dan lebih berat dari pada tandan kosong kelapa sawit yang memiliki stuktur serat yang lebih ringan, rapuh dan berongga (tidak padat). Hasil kekuatan impact yang paling tinggi dari campuran serat alam 80% resin epoxy, 15% serbuk kayu akasia dan 5% TKKS dengan nilai 134 J/mm2. Hal ini disebabkan dari jumlah campuran dari akasia lebih besar maka kekuatan spesimen lebih tinggi kekuatannya karena semakin banyak serat akasia maka semakin terus meningkat kekuatan spesimen tersebut. Kata kunci : Serat Alam, Kulit Kayu Akasia, Resin Epoxy, Tandan Kosong Kelapa Sawit, Sifat Mekanik
{"title":"The Effect of Natural Fiber Composite of Acasia Bark and Oil Palm Empty Fruits Using Epoxy Resin Adhesive on Mechanical Properties","authors":"Dody Yulianto, Muhammad Rintami, Irwan Anwar, Kurnia Hastuti","doi":"10.25299/rem.2022.vol5.no02.9709","DOIUrl":"https://doi.org/10.25299/rem.2022.vol5.no02.9709","url":null,"abstract":"ABSTRAK \u0000 \u0000Perkembangan teknologi komposit tidak hanya pada komposit sintetis, akan tetapi juga mengarah pada komposit alam (Natural Composite) dikarenakan keistimewaan sifatnya yang dapat di daur ulang atau istilah lain terbarukan. Penelitian ini bertujuan membuat bahan komposit serat alam dan resin epoxy terhadap sifat mekanis. Pada penelitian ini, komposisi tandan kosong kelapa sawit dan serat kulit akasia dengan nilai 15%+5%, 10%+10% dan 5%+15% dengan bahan perekat resin epoxy 80%. Hasil uji bending menunjukkan bahwa campuran komposit 80% resin epoxy, 15 % serat tandan kosong kelapa sawit dan 5 % serbuk kayu akasia mempunyai nilai kekuatan bending yang terendah yaitu 9,95N/mm2, sedangkan campuran komposit 80% resin epoxy, 5% serat tandan kosong kelapa sawit dan 15 % serbuk kayu akasia mempunyai nilai kekuatan bending tertinggi yaitu 20,84 N/mm2. Hal ini disebabkan karena campuran serbuk kayu akasia memiliki struktur dari serat akasa lebih kasar, kuat, padat dan lebih berat dari pada tandan kosong kelapa sawit yang memiliki stuktur serat yang lebih ringan, rapuh dan berongga (tidak padat). Hasil kekuatan impact yang paling tinggi dari campuran serat alam 80% resin epoxy, 15% serbuk kayu akasia dan 5% TKKS dengan nilai 134 J/mm2. Hal ini disebabkan dari jumlah campuran dari akasia lebih besar maka kekuatan spesimen lebih tinggi kekuatannya karena semakin banyak serat akasia maka semakin terus meningkat kekuatan spesimen tersebut. \u0000 \u0000Kata kunci : Serat Alam, Kulit Kayu Akasia, Resin Epoxy, Tandan Kosong Kelapa Sawit, Sifat Mekanik \u0000 ","PeriodicalId":33715,"journal":{"name":"Journal of Renewable Energy and Mechanics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75955478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-30DOI: 10.25299/rem.2022.vol5.no02.10226
Abdul Baser Qasimi, Vahid Isazade, A. Toomanian
Supplying energy demands in Afghanistan is a serious problem, providing demanded energy for consumption is mostly provided by neighboring countries, especially Iran, Turkmenistan, Uzbekistan, and Tajikistan. Domestic production of energy covers only an only small portion of energy demands in the country. In this regard, the energy supply in this country is extremely vulnerable and indicates non-sustainability. This study was intended to review available conducted research and published articles and reports. the results obtained from these reviews show that the utilization of renewable energy, especially, solar and wind energy, resources in Afghanistan is the only reliable and sustainable solution for the energy problem in this country. The results of the review of the previous research indicate that Afghanistan has great potential for renewable energy sources. the country has sources of renewable energy, including solar, wind, and geothermal energy.
{"title":"A Review of Sustainable and Renewable Sources of Energy for Afghanistan","authors":"Abdul Baser Qasimi, Vahid Isazade, A. Toomanian","doi":"10.25299/rem.2022.vol5.no02.10226","DOIUrl":"https://doi.org/10.25299/rem.2022.vol5.no02.10226","url":null,"abstract":"Supplying energy demands in Afghanistan is a serious problem, providing demanded energy for consumption is mostly provided by neighboring countries, especially Iran, Turkmenistan, Uzbekistan, and Tajikistan. Domestic production of energy covers only an only small portion of energy demands in the country. In this regard, the energy supply in this country is extremely vulnerable and indicates non-sustainability. This study was intended to review available conducted research and published articles and reports. the results obtained from these reviews show that the utilization of renewable energy, especially, solar and wind energy, resources in Afghanistan is the only reliable and sustainable solution for the energy problem in this country. The results of the review of the previous research indicate that Afghanistan has great potential for renewable energy sources. the country has sources of renewable energy, including solar, wind, and geothermal energy.","PeriodicalId":33715,"journal":{"name":"Journal of Renewable Energy and Mechanics","volume":"27 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83329617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-30DOI: 10.25299/rem.2022.vol5.no02.9982
R. E. Rachmanita
Clean energy sources are becoming more and more common, and the use of solar thermal energy is also increasing. Indonesia gets sunlight all year round with a radiation radiation of 4.80 kWh/m2. The potential of solar energy can be utilized by converting solar radiation into new energy. The flat plate solar water collector is a simple solar energy conversion system for hot water production. This study aims to determine the amount of heat energy received by the solar collector, determine the temperature of the water that comes out (Tout) on the solar collector and determine the thermal efficiency (η) on the flat plate solar collector with the addition of glass wool as an insulation material. The results showed that the highest thermal energy that enters the solar collector is 832.58 W and produces an output water temperature of 320.7 K or 47.7 °C. The efficiency that can be achieved by the solar collector is quite efficient, which is 47.92%.
{"title":"EXPERIMENTAL STUDY OF THE EFFECT OF ADDITION GLASS WOOL AS INSULATION MATERIAL ON THE PERFORMANCE OF FLAT PLATE TYPE SOLAR COLLECTORS","authors":"R. E. Rachmanita","doi":"10.25299/rem.2022.vol5.no02.9982","DOIUrl":"https://doi.org/10.25299/rem.2022.vol5.no02.9982","url":null,"abstract":"Clean energy sources are becoming more and more common, and the use of solar thermal energy is also increasing. Indonesia gets sunlight all year round with a radiation radiation of 4.80 kWh/m2. The potential of solar energy can be utilized by converting solar radiation into new energy. The flat plate solar water collector is a simple solar energy conversion system for hot water production. This study aims to determine the amount of heat energy received by the solar collector, determine the temperature of the water that comes out (Tout) on the solar collector and determine the thermal efficiency (η) on the flat plate solar collector with the addition of glass wool as an insulation material. The results showed that the highest thermal energy that enters the solar collector is 832.58 W and produces an output water temperature of 320.7 K or 47.7 °C. The efficiency that can be achieved by the solar collector is quite efficient, which is 47.92%.","PeriodicalId":33715,"journal":{"name":"Journal of Renewable Energy and Mechanics","volume":"79 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79321786","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-30DOI: 10.25299/rem.2022.vol5.no02.10196
Ojak Abdul Rozak
The need for electrical energy in Indonesia continues to increase, triggering an electrical energy crisis due to the increasing number of consumers of electrical energy which has an impact on the reduction of non-renewable fossil energy sources. Alternative energy sourced from new and renewable energy is needed, the use of electric generators from ocean wave energy in coastal areas needs to be empowered to be used as electrical energy that is useful for the community. This ocean wave power plant consists of: generator, power storage and voltage riser. A fixed magnetic generator connected to the buoy ball, the kinetic energy and potential energy of the ocean waves move the buoy ball so that the generator can rotate and produce electrical energy. This system can be used as a 12 V direct current (DC) battery charger as a backup energy supply and then increased to 220 V alternating current (AC) using an inverter. The average result of generator rotation is 182.34 ratio per minute (RPM). The average voltage generated by the generator is 12.53 V and the average current is 1.06 A and the output voltage of the inverter is 217 V when the load is 100 W.
{"title":"EXPERIMENTAL STUDY EXPERIMENTAL STUDY OF SEA WAVE POWER PLANT WITH MECHANICAL BUYING SYSTEM","authors":"Ojak Abdul Rozak","doi":"10.25299/rem.2022.vol5.no02.10196","DOIUrl":"https://doi.org/10.25299/rem.2022.vol5.no02.10196","url":null,"abstract":"The need for electrical energy in Indonesia continues to increase, triggering an electrical energy crisis due to the increasing number of consumers of electrical energy which has an impact on the reduction of non-renewable fossil energy sources. Alternative energy sourced from new and renewable energy is needed, the use of electric generators from ocean wave energy in coastal areas needs to be empowered to be used as electrical energy that is useful for the community. This ocean wave power plant consists of: generator, power storage and voltage riser. A fixed magnetic generator connected to the buoy ball, the kinetic energy and potential energy of the ocean waves move the buoy ball so that the generator can rotate and produce electrical energy. This system can be used as a 12 V direct current (DC) battery charger as a backup energy supply and then increased to 220 V alternating current (AC) using an inverter. The average result of generator rotation is 182.34 ratio per minute (RPM). The average voltage generated by the generator is 12.53 V and the average current is 1.06 A and the output voltage of the inverter is 217 V when the load is 100 W.","PeriodicalId":33715,"journal":{"name":"Journal of Renewable Energy and Mechanics","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78343794","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-30DOI: 10.25299/rem.2022.vol5.no02.9965
A. Karim, Ilham Azmy, Silviani Qotrunnida Khoiriah, C. Bintoro
AISI 1020 steel is categorized in low carbon steel which widely used for automotive parts industry and construction because its characteristic like high ductility, relatively low hardness value, and high formability. In continuously usage for long time, this steel tends to be worn down because its low surface hardness value. The surface hardness is congruity to wear resistance of AISI 1020 steel. In this research, the experimental method of pack carburizing process was carried out by heating AISI 1020 steel samples packed along charcoal with catalysts variation of Na2CO3 and CaCO3 till temperature 900 oC and hold it for 4 hours to effect diffusion carbon mechanism in surface treatment. Thereupon, AISI 1020 steel samples was fast cooled by using distilled water. The selection of different catalyst variation according to diffusion capability which will be expected to enhance AISI 1020 steel’s microstructure and mechanical properties. From this research, it obtained that pack carburized AISI 1020 steel using Na2CO3 possesses significant microstructure transformation which will affect to the highest hardness value increment (505,4 HV) and the lowest wear rate decrease (0,00821 mm3/minute). Thereby, pack carburized AISI 1020 steel using Na2CO3 also exhibits good wear resistance characteristic so that can be used in long lifetime.
{"title":"Microstructure and Mechanical Properties of Pack Carburized AISI 1020 Steel Using Na2CO3 and CaCO3 Catalysts","authors":"A. Karim, Ilham Azmy, Silviani Qotrunnida Khoiriah, C. Bintoro","doi":"10.25299/rem.2022.vol5.no02.9965","DOIUrl":"https://doi.org/10.25299/rem.2022.vol5.no02.9965","url":null,"abstract":"AISI 1020 steel is categorized in low carbon steel which widely used for automotive parts industry and construction because its characteristic like high ductility, relatively low hardness value, and high formability. In continuously usage for long time, this steel tends to be worn down because its low surface hardness value. The surface hardness is congruity to wear resistance of AISI 1020 steel. In this research, the experimental method of pack carburizing process was carried out by heating AISI 1020 steel samples packed along charcoal with catalysts variation of Na2CO3 and CaCO3 till temperature 900 oC and hold it for 4 hours to effect diffusion carbon mechanism in surface treatment. Thereupon, AISI 1020 steel samples was fast cooled by using distilled water. The selection of different catalyst variation according to diffusion capability which will be expected to enhance AISI 1020 steel’s microstructure and mechanical properties. From this research, it obtained that pack carburized AISI 1020 steel using Na2CO3 possesses significant microstructure transformation which will affect to the highest hardness value increment (505,4 HV) and the lowest wear rate decrease (0,00821 mm3/minute). Thereby, pack carburized AISI 1020 steel using Na2CO3 also exhibits good wear resistance characteristic so that can be used in long lifetime.","PeriodicalId":33715,"journal":{"name":"Journal of Renewable Energy and Mechanics","volume":"35 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87441681","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-30DOI: 10.25299/rem.2022.vol5.no02.9894
Alexander Tanpasya
Lapangan atau Field Marley merupakan salah satu lapangan di wilayah kerja PT. Pertamina Hulu Rokan yang berlokasi di Provinsi Riau yang telah memasuki fase brown fild dan mempunyai tingkat water cut yang tinggi. Kondisi tersebut membuat perusahaan memulai langkah baru dengan melakukan perubahan ukuran (Size-Up) pada pompa di sumur Marley. Namun setelah dilakukannya program Size-Up tersebut terdapat beberapa sumur yang mengalami failure, oleh karena itu pada penelitian kali ini peneliti akan melakukan perhitungan ulang untuk mencari tahu sejauh mana keberhasilan program Size-Up tersebut berhasil. Pasca dilakukannya program Size-Up pada sumur Asmud di lapangan Marley di dapat hasil sebanyak 68% keberhasilan yang mana itu di bawah target minimum yang seharusnya di atas 100%. Diketahui pompa yang terpasangan pada sumur Asmud adalah jenis pompa Centrilift 400P10 dengan spesifikasi range pompa 650-1400 bfpd, tenaga motor 42 HP, arus listrik 53 A, tegangan listrik 475 V dan efisiensi sebesar 88,4%. Data sumur yang di dapat berupa water cut 93%, dengan nilai sfl sebesar 184 ft dan wfl sebesar 307 ft, memiliki pwf sebanyak 383,33 psi serta nilai API 34. Berdasarkan parameter tersebut dapat di analisa dengan curva Inflow Performance Relationship (IPR) dapat di analisa bahwa sumur Asmud dalam kondisi downthrust yang mana pompa berada pada range minimum. Oleh sebab itu peneliti menyarankan agar dilakukannya Size-Down pompa menggunakan pompa Centrilift 400P8 60 Hz dengan spesifikasi range 550-1200 bfpd yang sesuai dengan kapasitas produksi sumur Asmud.
马利场或Field Marley是廖内省PT.的PT. Hulu Rokan的一个领域，该领域已进入布朗cid阶段，水流量较高。这一情况使公司在马利井的水泵上进行了重大的调整，从而迈出了新的一步。但是在size亚式项目完成后，有几口井正在失败，因此，在这次研究中，研究人员将进行重新计算，以确定该size亚式项目的成功程度。马利院子里的浅泥井旁涂上绿色后，其结果高达68%，低于100%的最低目标。众所周知，Asmud井口的泵是一个400P10离心机，其射程为650-1400 bfpd，电机为42马力，55a电流，475 V电压，效率为88.4%。水切断率为93%，sfl值为184英尺，wfl值为307英尺，pwf为383.33 psi，火灾值为34。根据这些参数可以在分析curva投机性演出关系(IPR)可以在分析说,井Asmud哪个downthrust泵在太阳城的最低条件。因此，研究人员建议使用400P8 60 Hz中心泵，其射程为550-1200 bfpd，与灰木井生产能力相匹配。
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Seiring dengan semakin tingginya kebutuhan akan energi membuat penggunaan akan bahan bakar fosil semakin tinggi yang memberikan dampak terhadap lingkungan sehingga diperlukannya sumber energi alternatif untuk mengurangi dampak yang ditimbulkan karena penggunaan bahan bakar fosil. Gas oxy-hydrogen merupakan salah satu bahan bakar yang dapat digunakan sebagai salah satu sumber bahan bakar pada generator set. Gas oxy-hydrogen dapat diperoleh dari proses elektrolisis air dengan menggunakan sumber energi yang ramah lingkungan. Penelitian ini bertujuan untuk mengetahuidpengaruhfpenggunaan gas oxy-hydrogen dari hasil elektrolisis airdsebagai bahan bakardalternatif, mencari parameterdunjuk kerja mesindgenerator set dengan menggunakan bahan bakar oxy-hydrogen, membandingkandunjuk kerja mesin generator set dengandbahan bakar gas oxy-hydrogen dengan bahan bakar bahan bakar pertalite dan campuran antara gas oxy-hydrogen dan pertalite. Penelitian menggunakan generator set mesin bensin 4 langkah yang dipasang dengan karburator type vacumvalve dengan beban 1000 watt yang umum digunakan. Dari hasil penelitian didapatkan parameter unjuk kerja generator set yang didapat dengan menggunakan bahan bakar oxy-hydrogen. Nilai parameter saat saat beban 1000 watt didapat daya efektif generator sebesar 1,035 kW, nilai torsi pada 3,297 Nm konsumsi bahan bakar spesifik sebesar 0,3658 kg/kW.jam, nilai efisiensi termal sebesar 12,05 % dan nilai tekanan efektif rata-rata sebesar 184,06 kPa.
{"title":"Unjuk Kerja Engine Empat Langkah Generator Set Dengan Bahan Bakar Oxy-Hydrogen (HHO) Dari Proses Elektrolis Air Dengan Menggunakan Karburator Type Vacuum Valve","authors":"Theodorus Rendy Prasetya, Lathifa Putri Afisna, Devia Gahana C.A, Rizky Faesal Sadikin","doi":"10.25299/rem.2022.vol5.no02.10058","DOIUrl":"https://doi.org/10.25299/rem.2022.vol5.no02.10058","url":null,"abstract":"Seiring dengan semakin tingginya kebutuhan akan energi membuat penggunaan akan bahan bakar fosil semakin tinggi yang memberikan dampak terhadap lingkungan sehingga diperlukannya sumber energi alternatif untuk mengurangi dampak yang ditimbulkan karena penggunaan bahan bakar fosil. Gas oxy-hydrogen merupakan salah satu bahan bakar yang dapat digunakan sebagai salah satu sumber bahan bakar pada generator set. Gas oxy-hydrogen dapat diperoleh dari proses elektrolisis air dengan menggunakan sumber energi yang ramah lingkungan. Penelitian ini bertujuan untuk mengetahuidpengaruhfpenggunaan gas oxy-hydrogen dari hasil elektrolisis airdsebagai bahan bakardalternatif, mencari parameterdunjuk kerja mesindgenerator set dengan menggunakan bahan bakar oxy-hydrogen, membandingkandunjuk kerja mesin generator set dengandbahan bakar gas oxy-hydrogen dengan bahan bakar bahan bakar pertalite dan campuran antara gas oxy-hydrogen dan pertalite. Penelitian menggunakan generator set mesin bensin 4 langkah yang dipasang dengan karburator type vacumvalve dengan beban 1000 watt yang umum digunakan. Dari hasil penelitian didapatkan parameter unjuk kerja generator set yang didapat dengan menggunakan bahan bakar oxy-hydrogen. Nilai parameter saat saat beban 1000 watt didapat daya efektif generator sebesar 1,035 kW, nilai torsi pada 3,297 Nm konsumsi bahan bakar spesifik sebesar 0,3658 kg/kW.jam, nilai efisiensi termal sebesar 12,05 % dan nilai tekanan efektif rata-rata sebesar 184,06 kPa.","PeriodicalId":33715,"journal":{"name":"Journal of Renewable Energy and Mechanics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75236274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-02-28DOI: 10.25299/rem.2022.vol5.no01.8888
W. Wahyu, Erwin, Slamet Wiyono
With the decreasing of world oil reserves, energy savings programs have started across the entire world. Recently, Indonesia has now become one of the importing countries for crude oil. Biomass gasification sustainability, especially in Indonesia, is very guaranteed because of the abundant availability of biomass in Indonesia. The goals of this study are examine the 5 kW diesel generator performance against various load with diesel fuel and diesel fuel plus syngas (synthetic gas) from sawdust. This research was carried out at Renewable Energy Laboratorium of Engineering Faculty UNTIRTA. The author performed this research using 5,2 kW total load of halogen lamp. In this research the load used was only at 3.2 kW because of the "not optimal condition" of the diesel generator resulting in not optimal engine rotation. Diesel generator power value at low loading point was increased. Whereas, at high loading point was decreased.
{"title":"KARAKTERISASI PERFORMA GENSET DIESEL 5 KW MENGGUNAKAN SYNGAS SERBUK KAYU DENGAN VARIASI PEMBEBANAN","authors":"W. Wahyu, Erwin, Slamet Wiyono","doi":"10.25299/rem.2022.vol5.no01.8888","DOIUrl":"https://doi.org/10.25299/rem.2022.vol5.no01.8888","url":null,"abstract":"With the decreasing of world oil reserves, energy savings programs have started across the entire world. Recently, Indonesia has now become one of the importing countries for crude oil. Biomass gasification sustainability, especially in Indonesia, is very guaranteed because of the abundant availability of biomass in Indonesia. The goals of this study are examine the 5 kW diesel generator performance against various load with diesel fuel and diesel fuel plus syngas (synthetic gas) from sawdust. This research was carried out at Renewable Energy Laboratorium of Engineering Faculty UNTIRTA. The author performed this research using 5,2 kW total load of halogen lamp. In this research the load used was only at 3.2 kW because of the \"not optimal condition\" of the diesel generator resulting in not optimal engine rotation. Diesel generator power value at low loading point was increased. Whereas, at high loading point was decreased. \u0000 ","PeriodicalId":33715,"journal":{"name":"Journal of Renewable Energy and Mechanics","volume":"99 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85773691","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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