Most of Indonesia's land is covered in swamps, and many infrastructure projects, including bridge construction, factory construction, and pipe installation, are completed in swampy environments. Swamp water typically has a high acid content and higher than normal concentrations of sulfates and chlorides, which are known to be more active in producing corrosion under normal conditions. This study aims to analyze and understand the corrosion rate and changes in the physical and mechanical properties of ASTM A36 steel that has undergone quenching heat treatment. Compared to steel ASTM A36 as received immersion in corrosive media using swamp water from The Village of Rambutan, South Sumatra Province, which has a pH of 3.00 with variations in immersion time of 48 hours, 96 hours, and 144 hours. The method used to determine the hardness value was the Brinell method, the corrosion rate was determined by the weight loss method, and SEM tests were carried out to determine the surface morphology of the specimens after immersion and XRD tests. The results showed that ASTM A36 steel specimens with quenching heat treatment had a higher hardness value than the as-received specimens; the greatest value was obtained in specimens with quenching treatment with immersion time. 48 hours, which is 497.97 BHN. The immersion test results showed that the highest corrosion rate occurred in the as-received specimen with a 144-hour immersion time of 17.6 mpy. Observation of the microstructure on the surface of the specimen found uniform corrosion and fitting corrosion; this was evidenced by the detection of iron oxide (Fe2O3), known as iron rust which is brownish-yellow in XRD testing.
{"title":"THE EFFECT OF TIME VARIATION ON CORROSION BEHAVIOR ASTM A36 IN SWAMP WATER FROM THE VILLAGE OF RAMBUTAN SOUTH SUMATRA PROVINCE, INDONESIA","authors":"Arief Alkahfi, D. Pratiwi","doi":"10.36706/jmse.v9i2.78","DOIUrl":"https://doi.org/10.36706/jmse.v9i2.78","url":null,"abstract":"Most of Indonesia's land is covered in swamps, and many infrastructure projects, including bridge construction, factory construction, and pipe installation, are completed in swampy environments. Swamp water typically has a high acid content and higher than normal concentrations of sulfates and chlorides, which are known to be more active in producing corrosion under normal conditions. This study aims to analyze and understand the corrosion rate and changes in the physical and mechanical properties of ASTM A36 steel that has undergone quenching heat treatment. Compared to steel ASTM A36 as received immersion in corrosive media using swamp water from The Village of Rambutan, South Sumatra Province, which has a pH of 3.00 with variations in immersion time of 48 hours, 96 hours, and 144 hours. The method used to determine the hardness value was the Brinell method, the corrosion rate was determined by the weight loss method, and SEM tests were carried out to determine the surface morphology of the specimens after immersion and XRD tests. The results showed that ASTM A36 steel specimens with quenching heat treatment had a higher hardness value than the as-received specimens; the greatest value was obtained in specimens with quenching treatment with immersion time. 48 hours, which is 497.97 BHN. The immersion test results showed that the highest corrosion rate occurred in the as-received specimen with a 144-hour immersion time of 17.6 mpy. Observation of the microstructure on the surface of the specimen found uniform corrosion and fitting corrosion; this was evidenced by the detection of iron oxide (Fe2O3), known as iron rust which is brownish-yellow in XRD testing.","PeriodicalId":16315,"journal":{"name":"Journal of Mechanical Engineering Science and Technology","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84359626","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}
Coal mining is a process that consists of several stages, and each stage must be passed as an inseparable part of the other stages. One of the important stages in the coal mining process is the weighing process used to measure the achievement of coal production and as a transactional tool. The weighing of coal is done using a bridging scale. The importance of the role in mining productivity must have strived for no failure in its main components, one of which is the weighbridge construction, where several occurrences of deformation occur in the main beam construction. Repair and strengthening efforts are carried out to overcome the deformation problems based on analysis and modeling using the software-based Finite Element Method. The material used is modeled using the Finite Element Method with loading FA = 41,618.18 N, FB = 51,087.56 N, and FC = 26,203.35 N towards the Z axis ST52-3 with Density 7,850 g/cm3, Yield Strength 345 Mpa, Tensile Strength 560 Mpa. The meshing of 946,278 elements and 1,728,745 nodes. Construction analysis using finite element-based software Inventor 2019. The simulation results can be concluded that the greatest von mises stress occurs in the direction of the Z axis with a value of 184 MPa, and the largest displacement occurs in the direction of the Z vector with a value of 7.98 mm.
煤矿开采是一个由几个阶段组成的过程，每个阶段都必须作为其他阶段不可分割的一部分而通过。煤炭开采过程中的一个重要阶段是称重过程，称重是衡量煤炭生产成果的一种交易工具。煤的称重是用桥式秤进行的。在采矿生产力中的重要作用必须力求其主要部件不发生故障，其中之一是地磅桥结构，其中主梁结构发生了几次变形。利用基于软件的有限元方法进行分析和建模，对变形问题进行了修复和加固。所使用的材料采用有限元法建模，载荷FA = 41,618.18 N, FB = 51,087.56 N, FC = 26,203.35 N，朝向Z轴ST52-3，密度7,850 g/cm3，屈服强度345 Mpa，拉伸强度560 Mpa。946,278个元素和1,728,745个节点的网格划分。使用基于有限元的软件Inventor 2019进行结构分析。仿真结果表明，在Z轴方向上von mises应力最大，为184 MPa;在Z矢量方向上位移最大，为7.98 mm。
{"title":"ANALYSIS AND MODELING OF WEIGHBRIDGE CONSTRUCTION REINFORCEMENT AT PT BUKIT ASAM","authors":"Praja Dilla Atos","doi":"10.36706/jmse.v9i2.73","DOIUrl":"https://doi.org/10.36706/jmse.v9i2.73","url":null,"abstract":"Coal mining is a process that consists of several stages, and each stage must be passed as an inseparable part of the other stages. One of the important stages in the coal mining process is the weighing process used to measure the achievement of coal production and as a transactional tool. The weighing of coal is done using a bridging scale. The importance of the role in mining productivity must have strived for no failure in its main components, one of which is the weighbridge construction, where several occurrences of deformation occur in the main beam construction. Repair and strengthening efforts are carried out to overcome the deformation problems based on analysis and modeling using the software-based Finite Element Method. The material used is modeled using the Finite Element Method with loading FA = 41,618.18 N, FB = 51,087.56 N, and FC = 26,203.35 N towards the Z axis ST52-3 with Density 7,850 g/cm3, Yield Strength 345 Mpa, Tensile Strength 560 Mpa. The meshing of 946,278 elements and 1,728,745 nodes. Construction analysis using finite element-based software Inventor 2019. The simulation results can be concluded that the greatest von mises stress occurs in the direction of the Z axis with a value of 184 MPa, and the largest displacement occurs in the direction of the Z vector with a value of 7.98 mm.","PeriodicalId":16315,"journal":{"name":"Journal of Mechanical Engineering Science and Technology","volume":"41 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82394571","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}
F. Yadi, D. Adanta, Imam Syofii, Mochamad Amri Santosa, Dewi Puspita Sari, Wadirin Wadirin, M. Saputra
Solar power plants are a suitable alternative for solving the energy crisis in rural areas in Indonesia because it has abundant solar energy potential. South Sumatra is the second area with the largest solar energy potential in Indonesia, after East Nusa Tenggara. The Dabuk Rejo village is not all area covered by street lighting facilities in South Sumatra. Hence, the solar power plant is suitable for solving the crisis energy problem in Dabuk Rejo because it is cheap, easy to maintain, and easy to operate. Based on the observation field, the solar power plant positively impacts the Dabuk Rejo community because the activity time increases due to lighting.
{"title":"FEASIBILITY OF 12 W SOLAR POWER PLANT FOR STREET LIGHTING IN RURAL AREA","authors":"F. Yadi, D. Adanta, Imam Syofii, Mochamad Amri Santosa, Dewi Puspita Sari, Wadirin Wadirin, M. Saputra","doi":"10.36706/jmse.v9i2.76","DOIUrl":"https://doi.org/10.36706/jmse.v9i2.76","url":null,"abstract":"Solar power plants are a suitable alternative for solving the energy crisis in rural areas in Indonesia because it has abundant solar energy potential. South Sumatra is the second area with the largest solar energy potential in Indonesia, after East Nusa Tenggara. The Dabuk Rejo village is not all area covered by street lighting facilities in South Sumatra. Hence, the solar power plant is suitable for solving the crisis energy problem in Dabuk Rejo because it is cheap, easy to maintain, and easy to operate. Based on the observation field, the solar power plant positively impacts the Dabuk Rejo community because the activity time increases due to lighting. ","PeriodicalId":16315,"journal":{"name":"Journal of Mechanical Engineering Science and Technology","volume":"36 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90649372","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}
The word manufacturing derives from manus (hand) and factur (make), where the combination means made by hand. The manufacturing operation is concerned with transforming materials into items with greater value; the manufacturing process has adopted the automation system for the production system. Automation refers to mechanical equipment that performs physical tasks without the need for oversight by human workers. An automated system consists of three basic elements: the power to accomplish the system's operation, a program of instructions to direct the process, and a control system to actuate the instructions. The control system causes the process to accomplish its defined function, which performs several manufacturing operations. The controls in an automated system can be either closed-loop or open-loop, using discrete control and programmable logic controller. Sensors and actuators also support the logic controller's role in industrial control systems, which can be used for robotics.
{"title":"SUMMARY OF AUTOMATION, PRODUCTION SYSTEMS, AND COMPUTER-INTEGRATED MANUFACTURING FOURTH EDITION BY MIKELL P. GROOVER","authors":"Guruh Dwi Septano","doi":"10.36706/jmse.v8i2.60","DOIUrl":"https://doi.org/10.36706/jmse.v8i2.60","url":null,"abstract":"The word manufacturing derives from manus (hand) and factur (make), where the combination means made by hand. The manufacturing operation is concerned with transforming materials into items with greater value; the manufacturing process has adopted the automation system for the production system. Automation refers to mechanical equipment that performs physical tasks without the need for oversight by human workers. An automated system consists of three basic elements: the power to accomplish the system's operation, a program of instructions to direct the process, and a control system to actuate the instructions. The control system causes the process to accomplish its defined function, which performs several manufacturing operations. The controls in an automated system can be either closed-loop or open-loop, using discrete control and programmable logic controller. Sensors and actuators also support the logic controller's role in industrial control systems, which can be used for robotics.","PeriodicalId":16315,"journal":{"name":"Journal of Mechanical Engineering Science and Technology","volume":"5 1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78351669","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}
R. Pratama, D. Pratiwi, Nurhabibah Paramitha Eka Utami
Corrosion hazards in marine environmental construction have been studied. ASTM A36 can be widely used in various industrial sectors and oil extracted offshore. The main objective of this study is to analyze the influence of variation immersion time to corrosion behaviour ASTM A36 by using seawater from Bangka Barat Regency, Bangka Belitung Islands as a corrosive media by performing Brinell hardness test, measurement of weight loss and corrosion rate, and and confirm the data obtained with the formed of microstructure. The results revealed that immersion time of 144 hours produced the highest corrosion rate of 27.97 Mpy and but has the lowest hardness number 136,924 BHN. Microstructural observations found the presence of brownish yellow and black (magnetic Fe3O4) corrosion patterns increased along with the increasing immersion time due to the lack of oxygen concentration during the specimen corrosion process.
对海洋环境建设中的腐蚀危害进行了研究。ASTM A36可广泛用于各种工业部门和海上石油开采。本研究的主要目的是利用Bangka Barat Regency, Bangka Belitung Islands的海水作为腐蚀介质，通过布氏硬度测试、失重和腐蚀速率的测量，分析不同浸泡时间对腐蚀行为ASTM A36的影响，并通过微观结构的形成对所得数据进行验证。结果表明，浸渍时间为144小时时，合金的腐蚀速率最高，为27.97 Mpy，硬度值最低，为136,924 BHN。显微组织观察发现，由于试样腐蚀过程中缺氧，随着浸泡时间的增加，黄褐色和黑色(磁性Fe3O4)腐蚀模式增加。
{"title":"THE EFFECT OF TIME VARIATION ON CORROSION BEHAVIOUR OF ASTM A36 IN SEAWATER FROM WEST BANGKA OF BANGKA BELITUNG ISLANDS, INDONESIA","authors":"R. Pratama, D. Pratiwi, Nurhabibah Paramitha Eka Utami","doi":"10.36706/jmse.v8i2.69","DOIUrl":"https://doi.org/10.36706/jmse.v8i2.69","url":null,"abstract":"Corrosion hazards in marine environmental construction have been studied. ASTM A36 can be widely used in various industrial sectors and oil extracted offshore. The main objective of this study is to analyze the influence of variation immersion time to corrosion behaviour ASTM A36 by using seawater from Bangka Barat Regency, Bangka Belitung Islands as a corrosive media by performing Brinell hardness test, measurement of weight loss and corrosion rate, and and confirm the data obtained with the formed of microstructure. The results revealed that immersion time of 144 hours produced the highest corrosion rate of 27.97 Mpy and but has the lowest hardness number 136,924 BHN. Microstructural observations found the presence of brownish yellow and black (magnetic Fe3O4) corrosion patterns increased along with the increasing immersion time due to the lack of oxygen concentration during the specimen corrosion process.","PeriodicalId":16315,"journal":{"name":"Journal of Mechanical Engineering Science and Technology","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74437416","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}
D. Pratiwi, Y. Yudianto, A. Mataram, A. T. Prakoso
The shaft is a critical component in ESP. In many cases, dismantle analyses cannot identify a definitive root cause for shaft failure. Several hypotheses have been studied to explain shaft failure. This paper will review typical shaft failure modes; more specifically, the power source and the consequence of shaft failure will be discussed. An analysis of the premature failure of the shaft used in an electrical submersible pump (ESP) for lifting oil has been carried out. During shaft failure root-cause analysis, mechanical components have been the primary focus. Chemical analysis, microstructure characterization, fractography, and hardness test were used. In addition, the shaft running stress and the possibility condition (the condition of the possible broken shaft has been approached analysis using finite element analysis). It was concluded that the material defects were the prime cause of the shafts' premature failure.
{"title":"SHAFT PREMATURE FAILURE ANALYSIS IN ELECTRICAL SUBMERSIBLE PUMP SYSTEM: A CASE STUDY FROM MUARA ENIM, SOUTH SUMATERA, INDONESIA","authors":"D. Pratiwi, Y. Yudianto, A. Mataram, A. T. Prakoso","doi":"10.36706/jmse.v9i1.71","DOIUrl":"https://doi.org/10.36706/jmse.v9i1.71","url":null,"abstract":"The shaft is a critical component in ESP. In many cases, dismantle analyses cannot identify a definitive root cause for shaft failure. Several hypotheses have been studied to explain shaft failure. This paper will review typical shaft failure modes; more specifically, the power source and the consequence of shaft failure will be discussed. An analysis of the premature failure of the shaft used in an electrical submersible pump (ESP) for lifting oil has been carried out. During shaft failure root-cause analysis, mechanical components have been the primary focus. Chemical analysis, microstructure characterization, fractography, and hardness test were used. In addition, the shaft running stress and the possibility condition (the condition of the possible broken shaft has been approached analysis using finite element analysis). It was concluded that the material defects were the prime cause of the shafts' premature failure.","PeriodicalId":16315,"journal":{"name":"Journal of Mechanical Engineering Science and Technology","volume":"22 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84664441","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}
Gunawan, M. Ade, Ewin Muhammad Kurniawan, Amir Arifin, Aneka Firdaus
The stir-squeeze casting technique generally alters a material’s physical and mechanical properties. This research investigates the effect of adding fly ash and alumina to the stir-squeeze casting of old aluminum cans. The stir-squeeze casting research parameters were carried out at a pouring temperature of 750oC with a stirring speed of 350 rpm for 3 minutes, with pressure variations ranging from 6 MPa, 8 MPa, and 10 MPa to fabricate Aluminum Matrix Composites (AMC) with an alumina weight fraction of 15% and fly ash of 12%. Aluminum Matrix Composites are metal matrix composites that use alumina and fly ash as reinforcing components. AMC development has also shown promise, owing to good mechanical qualities such as high hardness, impact strength, and relatively easy-to-find basic materials. On composites, X-Ray Fluorescence (XRF) testing or chemical composition testing, X-Ray Diffraction (XRD), impact strength Brinell hardness, and Scanning Electron Microscope (SEM) was performed; the test results obtained the highest value of the highest hardness at the bottom, and on composites were obtained at a pressure of 6 MPa at 1.577 gr/cm3 and 0.577 percent, the highest impact value at
{"title":"RECYCLING OF ALUMINUM-BASED COMPOSITES REINFORCED WITH FLY ASH AND ALUMINA VIA A STIR-SQUEEZE CASTING PROCESS","authors":"Gunawan, M. Ade, Ewin Muhammad Kurniawan, Amir Arifin, Aneka Firdaus","doi":"10.36706/jmse.v9i1.70","DOIUrl":"https://doi.org/10.36706/jmse.v9i1.70","url":null,"abstract":"The stir-squeeze casting technique generally alters a material’s physical and mechanical properties. This research investigates the effect of adding fly ash and alumina to the stir-squeeze casting of old aluminum cans. The stir-squeeze casting research parameters were carried out at a pouring temperature of 750oC with a stirring speed of 350 rpm for 3 minutes, with pressure variations ranging from 6 MPa, 8 MPa, and 10 MPa to fabricate Aluminum Matrix Composites (AMC) with an alumina weight fraction of 15% and fly ash of 12%. Aluminum Matrix Composites are metal matrix composites that use alumina and fly ash as reinforcing components. AMC development has also shown promise, owing to good mechanical qualities such as high hardness, impact strength, and relatively easy-to-find basic materials. On composites, X-Ray Fluorescence (XRF) testing or chemical composition testing, X-Ray Diffraction (XRD), impact strength Brinell hardness, and Scanning Electron Microscope (SEM) was performed; the test results obtained the highest value of the highest hardness at the bottom, and on composites were obtained at a pressure of 6 MPa at 1.577 gr/cm3 and 0.577 percent, the highest impact value at","PeriodicalId":16315,"journal":{"name":"Journal of Mechanical Engineering Science and Technology","volume":"55 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77355130","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}
HokTong Jambi, Indonesia. As a long-established company in Indonesia, PT HokTong Jambi has undergone many changes in its business journey. Although itwasestablishedin1937 as a company that runs the natural rubber trading business, Hok Tongcontinues to make breakthroughs and innovationsto compete with similar companies inthe era ofglobalisation. Located in Sejinjang district, Jambi, Hok Tong is now a supplierof crumb rubber to many well-known local and international companies suchas Sumitomo,Bridgestone, Goodyear, Michelin and others. In fact, in the last five years, Hok Tong hasalso exported its products to China and the United States.PT. Hok Tong Jambi, Indonesia,places great emphasis on meeting production targets. Although theobstacle faced by thecompany is in meeting theon-timedelivery of orders, this is caused by a poor productionplanning and control system that results in delays in the delivery of raw materialcomponents that can hamper the production journey or production delays due to errors inpredicting.Thetime.Productionat the time of scheduling. Therefore, the company hasdifficultycontrolling the production of flake rubber more effectively. The levels ofresearch carried out are data collection, OPC making, standard time calculation to makeproduct structure.Theresults of these calculations can be known when and how much rawmaterials and components are needed. This information system uses web programminglanguagessuch as PHP, CSS, HTML,and for databases,it uses a MySQL database andseveral other supporting tools such as sublimenotepad++. Xampp can run this applicationon a local server. The design used is UML, namely use case diagrams, activity diagrams,sequence diagrams and class diagrams.
{"title":"CRUMB RUBBER PRODUCTION CONTROL INFORMATION SYSTEM DESIGN (CASE STUDY: PT. HOK TONG JAMBI. INDONESIA)","authors":"E. Martono","doi":"10.36706/jmse.v8i2.63","DOIUrl":"https://doi.org/10.36706/jmse.v8i2.63","url":null,"abstract":"HokTong Jambi, Indonesia. As a long-established company in Indonesia, PT HokTong Jambi has undergone many changes in its business journey. Although itwasestablishedin1937 as a company that runs the natural rubber trading business, Hok Tongcontinues to make breakthroughs and innovationsto compete with similar companies inthe era ofglobalisation. Located in Sejinjang district, Jambi, Hok Tong is now a supplierof crumb rubber to many well-known local and international companies suchas Sumitomo,Bridgestone, Goodyear, Michelin and others. In fact, in the last five years, Hok Tong hasalso exported its products to China and the United States.PT. Hok Tong Jambi, Indonesia,places great emphasis on meeting production targets. Although theobstacle faced by thecompany is in meeting theon-timedelivery of orders, this is caused by a poor productionplanning and control system that results in delays in the delivery of raw materialcomponents that can hamper the production journey or production delays due to errors inpredicting.Thetime.Productionat the time of scheduling. Therefore, the company hasdifficultycontrolling the production of flake rubber more effectively. The levels ofresearch carried out are data collection, OPC making, standard time calculation to makeproduct structure.Theresults of these calculations can be known when and how much rawmaterials and components are needed. This information system uses web programminglanguagessuch as PHP, CSS, HTML,and for databases,it uses a MySQL database andseveral other supporting tools such as sublimenotepad++. Xampp can run this applicationon a local server. The design used is UML, namely use case diagrams, activity diagrams,sequence diagrams and class diagrams.","PeriodicalId":16315,"journal":{"name":"Journal of Mechanical Engineering Science and Technology","volume":"177 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79903516","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}
Ogan Komering Ulu Timur (OKUT) regency is a national rice-producing in South Sumatra Province. The use of modern agricultural technology has resulted in a significant increase in rice yields, namely: in 2019, 2.60 million tons of paddy dry milled grain will become 2.74 million tons in 2020. This number increases every year, which has an impact on increasing solids. Waste by paddy dry milled grain is husks straw. The percentage of husk is 20% by paddy dry milled grain. In 2020, OKUT produced 548,000 tons of husks. This husk is a potential source of biomass energy for power generation. This paper reviews the possibility of constructing a biomass power plant from rice husks in OKUT. In 2030, it is estimated that the amount of electricity that can be sold to PLN is 1.05 GW, equal to IDR. 1419.6 B or USD 97.903.
Ogan Komering Ulu Timur (OKUT)摄政是南苏门答腊省的一个国家水稻生产地。现代农业技术的应用使水稻产量大幅提高，即:2019年水稻干粮产量为260万吨，2020年将达到274万吨。这个数字每年都在增加，这对增加固体有影响。废料由稻谷干磨而成，即稻壳秸秆。稻谷干磨的稻壳率为20%。2020年，OKUT生产了54.8万吨谷壳。这种壳是一种潜在的生物质发电能源。本文综述了在OKUT建立稻壳生物质发电厂的可能性。到2030年，估计可出售给PLN的电量为1.05 GW，相当于印尼盾。1419.6亿美元或97.903美元。
{"title":"RICE HUSK AS BIOMASS FOR POWER PLANT, OGAN KOMERING REGENCY ULU TIMUR, SOUTH SUMATERA, INDONESIA: REVIEW","authors":"Lelawati Ak, D. Pratiwi, D. Adanta","doi":"10.36706/jmse.v8i2.65","DOIUrl":"https://doi.org/10.36706/jmse.v8i2.65","url":null,"abstract":"Ogan Komering Ulu Timur (OKUT) regency is a national rice-producing in South Sumatra Province. The use of modern agricultural technology has resulted in a significant increase in rice yields, namely: in 2019, 2.60 million tons of paddy dry milled grain will become 2.74 million tons in 2020. This number increases every year, which has an impact on increasing solids. Waste by paddy dry milled grain is husks straw. The percentage of husk is 20% by paddy dry milled grain. In 2020, OKUT produced 548,000 tons of husks. This husk is a potential source of biomass energy for power generation. This paper reviews the possibility of constructing a biomass power plant from rice husks in OKUT. In 2030, it is estimated that the amount of electricity that can be sold to PLN is 1.05 GW, equal to IDR. 1419.6 B or USD 97.903.","PeriodicalId":16315,"journal":{"name":"Journal of Mechanical Engineering Science and Technology","volume":"17 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74825012","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 : 2021-11-25DOI: 10.17977/um016v5i22021p145
Bili Darnanto Susilo, H. Suryanto, A. Aminnudin
Bacterial cellulose (BC) was synthesized from pineapple peel extract media with addition of fermentation agent bacteria Acetobacter xylinum. BC was disintegrated from the pellicle into bacterial nanocellulose (BNC) by using a high-pressure homogenizer (hph) machine, which has a three-dimensional woven nanofibrous network. The synthesis of composite films started when BNC, graphite nanoplatelets, and cetyltrimethylammonium bromide (CTAB) were homogenized using an ultrasonic homogenizer then baked on a glass mold at a temperature of 80 degrees Celcius for 14h. A scanning electron microscope (SEM) was used to analyze its morphology. X-Ray diffraction spectra were used to analyze the composite films structure. The functional groups of the composite films were analyzed using the FTIR spectrum. SEM micrograph shows that GNP was evenly distributed into BNC matrix after CTAB addition. GNPs are shown as flat and smooth flakes with sharp corners. Some peak corresponds O-H, C-H, C≡C, and CH3 stretching was identified by using FTIR spectroscopy at wavenumber 3379, 2893, 2135, and 1340 cm-1, respectively. XRD analysis shows that Crystalline Index (C.I) of BNC increases after 2.5 wt% addition of GNP. The presence of CTAB decreases C.I value of composite films. BNC/GNP composite films have the best mechanical properties with Young’s modulus about 77.01 ± 8.564.
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