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All Journal JFA (Jurnal Fisika dan Aplikasinya)
Melania Suweni Muntini Melania Suweni Muntini
Department of Physics, Institut Teknologi Sepuluh Nopember, Kampus ITS-Sukolilo Surabaya
Physics

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Manufacturing of Soil Coefficient Permeability Meter with Data Acquisition System Based on Internet of Things (IoT): Fahrur Aslami, Elysa Nensy Irawan, Melania Suweni Muntini, Dwa Desa Warnana, Ahmad Syahdi Al Khawarizmi Fahrur Aslami Fahrur Aslami; Elysa Nensy Irawan Elysa Nensy Irawan; Melania Suweni Muntini Melania Suweni Muntini; Dwa Desa Warnana Dwa Desa Warnana; Ahmad Syahdi Al Khawarizmi Ahmad Syahdi Al Khawarizmi
Jurnal Fisika dan Aplikasinya Vol 19 No 2 (2023): June 2023 Edition
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, LPPM-ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24604682.v19i2.14045

Abstract

Soil permeability coefficient and measuring instrument using a data acquisition system based on Internet of Things (IoT) has been successfully made. The measuring equipment uses the falling head permeameter concept. MPX10GP sensor is used to measure water level. The measurement range is 6-40 cm water level, to obtain + 36 permeability coefficient value of each 1 cm. The data from the subsequent measurement systems is transmitted into the internet network so that it can be accessed by smartphone. Based on the measurement results of three samples, the slopes of Mount Ngantang have a soil permeability coefficient value of 0.0016 cm/s, the Institut Teknologi Sepuluh Nopember (ITS) pond embankment is 0.0005 cm/s, and the Bengawan Solo River embankment is 0.0002 cm/s. These results match with the reference and the difference value is only 2.7%. By using this research method, it is expected to draw up a map of the area that is prone to landslides quickly and accurately.
Fabrikasi Modul Termoelektrik Generator (TEG) menggunakan Semikonduktor Tipe-p SbTe dan Tipe-n BiTe: Melania Suweni Muntini, Meylusari Maghfirotul Afiyanti, Faisal Fikri Oktaviantoni, Wanacaporn Namhongsab, Surasak Ruamrukb, Nattee Khottummee, Tosawat Seetawa Melania Suweni Muntini Melania Suweni Muntini; Meylusari Maghfirotul Afiyanti Meylusari Maghfirotul Afiyanti; Faisal Fikri Oktaviantoni Faisal Fikri Oktaviantoni; Wanacaporn Namhongsab Wanacaporn Namhongsab; Surasak Ruamrukb Surasak Ruamrukb; Kunchit Singsoogb Kunchit Singsoogb; Nattee Khottummee Nattee Khottummee; Tosawat Seetawan Tosawat Seetawan
Jurnal Fisika dan Aplikasinya Vol 16 No 1 (2020): January 2020 Edition
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, LPPM-ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24604682.v16i1.6216

Abstract

This research has been conducted to obtain the value of the best output voltage, output power and efficiency parameters from thermoelectric. Parameter values are obtained from testing and modeling the thermoelectric generator module. The thermoelectric generator module is composed of one pair of p-type SbTe and n-type BiTe p-semiconductors. The tests were done by used an open circuit (no load) and closed circuit (with a load) of 1. The test is done twice for the open circuit and three times for the closed circuit. Furthermore, TEG module was modeled using Ansys 19.2 Academic and Solidworks 2013. Modeling was conducted too in an open and closed circuit using parameter values as in the test. The results of testing and modeling of the highest measurement output voltage for open and closed circuits were obtained at temperatures of 100.770 C and 100.350 C, respectively. The maximum efficiency value is obtained 2.751% with a voltage of 19.2 mV.
Co-Authors Ahmad Syahdi Al Khawarizmi Ahmad Syahdi Al Khawarizmi Dwa Desa Warnana Dwa Desa Warnana Elysa Nensy Irawan Elysa Nensy Irawan Fahrur Aslami Fahrur Aslami Faisal Fikri Oktaviantoni Faisal Fikri Oktaviantoni Kunchit Singsoogb Kunchit Singsoogb Meylusari Maghfirotul Afiyanti Meylusari Maghfirotul Afiyanti Nattee Khottummee Nattee Khottummee Surasak Ruamrukb Surasak Ruamrukb Tosawat Seetawan Tosawat Seetawan Wanacaporn Namhongsab Wanacaporn Namhongsab