Pub Date : 2018-12-13DOI: 10.20527/flux.v15i2.5158
Aryadi Nurfalaq, A. Nawir, Rahma Hi. Manrulu, E. P. Umar
Penelitian ini bertujuan untuk mengidentifikasi akuifer air tanah daerah Pallantikang serta memetakan sebaran potensi air tanahnya.Metode yang digunakan adalah metode geolistrik tahanan jenis konfigurasi Schlumberger dan pengukuran muka air tanah sumur. Berdasarkan pembahasan yang telah dilakukan maka akuifer air tanah Desa Pallantikang diperkirakan berasal dari batuan sedimen laut dengan nilai tahanan jenis 0,0193 Ohm.m – 70,19 Ohm.m. Akuifer ini dapat dijumpai pada kedalaman 1 m hingga 99 m sehingga Desa Pallantikang memiliki potensi air tanah yang besar.
{"title":"Identifikasi Akuifer Daerah Pallantikang Kabupaten Jeneponto dengan Metode Geolistrik","authors":"Aryadi Nurfalaq, A. Nawir, Rahma Hi. Manrulu, E. P. Umar","doi":"10.20527/flux.v15i2.5158","DOIUrl":"https://doi.org/10.20527/flux.v15i2.5158","url":null,"abstract":"Penelitian ini bertujuan untuk mengidentifikasi akuifer air tanah daerah Pallantikang serta memetakan sebaran potensi air tanahnya.Metode yang digunakan adalah metode geolistrik tahanan jenis konfigurasi Schlumberger dan pengukuran muka air tanah sumur. Berdasarkan pembahasan yang telah dilakukan maka akuifer air tanah Desa Pallantikang diperkirakan berasal dari batuan sedimen laut dengan nilai tahanan jenis 0,0193 Ohm.m – 70,19 Ohm.m. Akuifer ini dapat dijumpai pada kedalaman 1 m hingga 99 m sehingga Desa Pallantikang memiliki potensi air tanah yang besar.","PeriodicalId":34112,"journal":{"name":"Jurnal Fisika Flux","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48334276","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 : 2018-12-13DOI: 10.20527/FLUX.V15I2.4903
H. Hendri, Bualkar Abdullah, Dahlang Tahir
Fabrikasi bahan penyerap gelombang elektromagnetik berbasis CuC telah dilakukan. Tembaga Karbon (CuC) diolah dengan metode kompaksi/pemadatan, karakterisasi dilakukan dengan menggunakan XRD, FTIR dan VNA. Penyerap gelombang elektromagnetik ( reflection loss (RL)) diperoleh pada rentang -17,73 dB hingga -24,94 dB. Nilai RL dipengaruhi oleh konsentrasi karbon aktif (AC). Spectrum RL terbaik diperoleh pada frekuensi 4 GHz – 5 GHz.
{"title":"Fabrikasi Bahan Penyerap Gelombang Elektromagnetik Berbasis CuC","authors":"H. Hendri, Bualkar Abdullah, Dahlang Tahir","doi":"10.20527/FLUX.V15I2.4903","DOIUrl":"https://doi.org/10.20527/FLUX.V15I2.4903","url":null,"abstract":"Fabrikasi bahan penyerap gelombang elektromagnetik berbasis CuC telah dilakukan. Tembaga Karbon (CuC) diolah dengan metode kompaksi/pemadatan, karakterisasi dilakukan dengan menggunakan XRD, FTIR dan VNA. Penyerap gelombang elektromagnetik ( reflection loss (RL)) diperoleh pada rentang -17,73 dB hingga -24,94 dB. Nilai RL dipengaruhi oleh konsentrasi karbon aktif (AC). Spectrum RL terbaik diperoleh pada frekuensi 4 GHz – 5 GHz.","PeriodicalId":34112,"journal":{"name":"Jurnal Fisika Flux","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46414774","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 : 2018-12-13DOI: 10.20527/FLUX.V15I2.4802
S. Supriyadi, Nurul Priyantari, Agus Supriyanto, N. Rohim
The area around of Jember University has potential as a trading area because the majority of its citizens are immigrants. This potential is utilized by street food vendors located around the University of Jember. Most street vendors dispose of waste i.e used cooking oil directly around trading locations. One methode to determine waste seepage in the soil is to use the geoelectric method with crosshole dipole-dipole configuration. This research is a laboratory scale research. The sample of soil and waste of used cooking oil were taken from the location of street vendors around Jember University. Based on the research results, the soil resistivity value before being given the waste is 2.78 Ωm to 7.52 Ωm. While the value of soil resistivity after given the waste of used cooking oil ranged from 0.01 Ωm to 5.15 Ωm. Observations from the first day to the seventh day indicate that the movement of waste used cooking oil occurs vertically due to gravity and in all directions due to capillarity.
{"title":"Pengamatan Pergerakan Limbah Minyak Goreng Berdasarkan Nilai Resistivitasnya dengan Menggunakan Metode Crosshole Dipole-Dipole","authors":"S. Supriyadi, Nurul Priyantari, Agus Supriyanto, N. Rohim","doi":"10.20527/FLUX.V15I2.4802","DOIUrl":"https://doi.org/10.20527/FLUX.V15I2.4802","url":null,"abstract":"The area around of Jember University has potential as a trading area because the majority of its citizens are immigrants. This potential is utilized by street food vendors located around the University of Jember. Most street vendors dispose of waste i.e used cooking oil directly around trading locations. One methode to determine waste seepage in the soil is to use the geoelectric method with crosshole dipole-dipole configuration. This research is a laboratory scale research. The sample of soil and waste of used cooking oil were taken from the location of street vendors around Jember University. Based on the research results, the soil resistivity value before being given the waste is 2.78 Ωm to 7.52 Ωm. While the value of soil resistivity after given the waste of used cooking oil ranged from 0.01 Ωm to 5.15 Ωm. Observations from the first day to the seventh day indicate that the movement of waste used cooking oil occurs vertically due to gravity and in all directions due to capillarity.","PeriodicalId":34112,"journal":{"name":"Jurnal Fisika Flux","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46784162","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 : 2018-12-13DOI: 10.20527/FLUX.V15I2.5534
M. Saukani, S. Arief
Mortar geopolimer berbasis abu layang dengan penambahan metakaolin telah disintesis dan dikatakterisasi sifat termalnya. Rasio SiO 2 /Al 2 O 3 dalam penelitian ini dipertahankan dengan nilai 4. . Efek subtitusi abu layang dengan kaolin tatakan yang telah dikalsinasi pada suhu 750°C selama 3 jam memberikan informasi peningkatan nilai kuat tekan. Peningkatan nilai kuat tekan ini diyakini akibat berkurangnya kadar SiO2 yang tidak aktif dalam campuran bahan dasar, sehingga reaksi ikatan antara matrik dan partikel-artikel aluminosilikat semakin baik. Daya tahan terhadap suhu pada suhu 750°C selama 4 jam menunjukkan adanya penyusutan volume dan berkurangnya massa sampel, meskipun pengurangan massa sampel terjadi namun massa jenis semakin meningkat dan secara visual tidak terlihat adanya keretakan. Pengujian shock thermal juga menunjukkan bahwa mortar geopolimer yang disintesis mampu menahan adanya perubahan suhu secara mendadak. Oleh sebab itu mortar geopolimer dengan bahan abu layang/kaolin tatakan dapat digunakan sebagai material refraktori.
{"title":"Karakteristik Termal Mortar Geopolimer Berbasis Abu layang dan Kaolin Alam","authors":"M. Saukani, S. Arief","doi":"10.20527/FLUX.V15I2.5534","DOIUrl":"https://doi.org/10.20527/FLUX.V15I2.5534","url":null,"abstract":"Mortar geopolimer berbasis abu layang dengan penambahan metakaolin telah disintesis dan dikatakterisasi sifat termalnya. Rasio SiO 2 /Al 2 O 3 dalam penelitian ini dipertahankan dengan nilai 4. . Efek subtitusi abu layang dengan kaolin tatakan yang telah dikalsinasi pada suhu 750°C selama 3 jam memberikan informasi peningkatan nilai kuat tekan. Peningkatan nilai kuat tekan ini diyakini akibat berkurangnya kadar SiO2 yang tidak aktif dalam campuran bahan dasar, sehingga reaksi ikatan antara matrik dan partikel-artikel aluminosilikat semakin baik. Daya tahan terhadap suhu pada suhu 750°C selama 4 jam menunjukkan adanya penyusutan volume dan berkurangnya massa sampel, meskipun pengurangan massa sampel terjadi namun massa jenis semakin meningkat dan secara visual tidak terlihat adanya keretakan. Pengujian shock thermal juga menunjukkan bahwa mortar geopolimer yang disintesis mampu menahan adanya perubahan suhu secara mendadak. Oleh sebab itu mortar geopolimer dengan bahan abu layang/kaolin tatakan dapat digunakan sebagai material refraktori.","PeriodicalId":34112,"journal":{"name":"Jurnal Fisika Flux","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45605628","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 : 2018-12-13DOI: 10.20527/flux.v15i2.5530
Sehah Sehah, Z. Irayani, Sukma Sewiji
ABSTRACT −Investigation of saltwater intrusion in Nusawungu Coastal area of Cilacap Regency based on the 2D-resistivity data has been done in April – Juni 2018. The resistivity data acquisition has been carried out using Wenner's configuration on four locations covering of the NWT-01, NWT-02, NWT-03, and NWT-04 with a length as 200 meters. The obtained result is the 2D-resistivity profile of subsurface rocks for each trajectory with a depth of about 30 meters. The rock resistivity values which obtained for each trajectory consists of the NWT-01 is 2.30 – 103.00 Ωm; the NWT-02 is 3.65 – 54.30 Ωm; the NWT-03 is 0.96 – 43.20 Ωm; and the NWT-04 is 2.33 – 70.80 Ωm. Based on the interpretation results, the deep aquifer in each trajectory with a resistivity value of 0.96 - 6.81 Ωm are estimated to be intruded by saltwater, while the shallow aquifers have not been significantly intruded by saltwater. Based on the testing results of the electrical conductivity (DHL) of several water samples taken from some wells around the NWT-01 to NWT-04 trajectory, it is known that all of the water is freshwater. Some well water samples have a rather high electrical conductivity value, such as the well A on the NWT-01 with a value of 740.0 μSi/cm and the well C on the NWT-03 with a value of 894.67 μSi/cm. This is thought to be due to the relatively high salt mineral content in the aquifer rocks.
{"title":"Investigasi Intrusi Air Asin di Kawasan Prospek Bijih Besi Pesisir Nusawungu Kabupaten Cilacap Jawa Tengah Berdasarkan Profil Resistivitas-2D","authors":"Sehah Sehah, Z. Irayani, Sukma Sewiji","doi":"10.20527/flux.v15i2.5530","DOIUrl":"https://doi.org/10.20527/flux.v15i2.5530","url":null,"abstract":"ABSTRACT −Investigation of saltwater intrusion in Nusawungu Coastal area of Cilacap Regency based on the 2D-resistivity data has been done in April – Juni 2018. The resistivity data acquisition has been carried out using Wenner's configuration on four locations covering of the NWT-01, NWT-02, NWT-03, and NWT-04 with a length as 200 meters. The obtained result is the 2D-resistivity profile of subsurface rocks for each trajectory with a depth of about 30 meters. The rock resistivity values which obtained for each trajectory consists of the NWT-01 is 2.30 – 103.00 Ωm; the NWT-02 is 3.65 – 54.30 Ωm; the NWT-03 is 0.96 – 43.20 Ωm; and the NWT-04 is 2.33 – 70.80 Ωm. Based on the interpretation results, the deep aquifer in each trajectory with a resistivity value of 0.96 - 6.81 Ωm are estimated to be intruded by saltwater, while the shallow aquifers have not been significantly intruded by saltwater. Based on the testing results of the electrical conductivity (DHL) of several water samples taken from some wells around the NWT-01 to NWT-04 trajectory, it is known that all of the water is freshwater. Some well water samples have a rather high electrical conductivity value, such as the well A on the NWT-01 with a value of 740.0 μSi/cm and the well C on the NWT-03 with a value of 894.67 μSi/cm. This is thought to be due to the relatively high salt mineral content in the aquifer rocks.","PeriodicalId":34112,"journal":{"name":"Jurnal Fisika Flux","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46907602","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}