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All Journal Jurnal Teknik Mesin Jurnal Teknik ITS Jurnal Reka Lingkungan IPTEK The Journal of Engineering IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science Jurnal Teknik Kimia Journal of Engineering and Technological Sciences Journal of Energy, Mechanical, Material and Manufacturing Engineering Sewagati
Gunawan Nugroho
Department Of Engineering Physics, FTI, Institut Teknologi Sepuluh Nopember, Kampus ITS Sukolilo, Surabaya 60111
Aerospace Engineering Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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Journal : iptek the journal of engineering

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Monitoring and Analysis of Single Tube Temperature Distribution in Heat Exchanger Simulator Using TPA 81 Thermopile Array Murry Raditya; Gunawan Nugroho; Abdurrahman Rahyang Tutuko; Halen Dinata Atmaja
IPTEK The Journal of Engineering Vol 6, No 1 (2020)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23378557.v6i2.a7246

Abstract

The Energy and Environmental Engineering Laboratory had a heat exchanger simulator which was used to determine the temperature changes with respect to time due to air velocity. This simulator used tubes which were used to find out the temperature change with time. The working principle of this simulator was to monitor changes in temperature on the tube that had been preheated and then cooled using a fan contained in the simulator. This study performed temperature measurements using a TPA81 thermal array sensor. We chose this sensor because it could measure the temperature without touching the object and had 8 pixels for image measurement. This was because the process of reducing the temperature of the tube becomes purely caused by the fan and not from the outside environment. The results obtained from this study were visualization of temperature distribution using the Thermal Array TPA81 sensor, having a linearity value of 0.034%, a precision value of the instrument of 98.1%, an accuracy value of 0.285%, and error value of 0.154 (W/m2K). For the analysis of temperature distribution, it was concluded that the value of the temperature did not affect the value h, because the value of h (the coefficient of heat transfer convection) is distributed with time.
Performance of Seawater Activated Battery as Alternative Energy Resources Masrufaiyah Masrufaiyah; Ridho Hantoro; Gunawan Nugroho; Totok R Biyanto; Nur Laila Hamidah
IPTEK The Journal of Engineering Vol 3, No 1 (2017)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23378557.v3i1.a2266

Abstract

Research on Freshwater and Seawater batteries, which using Al and Cu electrodes at variation of different electrolyte salinity, distance between electrodes and flowrate of electrolyte has been carried out.  The galvanostatic discharge and Electrochemical Impedance Spectroscopy (EIS) of Al and Cu in seawater were investigated. The results showed the optimum condition with significant average potential discharge of 45,02 mV and current of 0,440 mA obtained from combination of 5% electrolyte salinity, 2 cm space between electrodes and 0,5 liter/hour electrolyte rate. EIS studies revealed that the Al and Cu interficial electrochemical process in seawater was determined by an activation controlled reaction
Co-Authors Aank Suseno Abdurrahman Rahyang Tutuko Adhana Tito Hary Wibowo Adia Cahya Purnama Agung Dwi Sulaksono Agus Imam Sonhaji Agus Imam Sonhaji, Agus Imam Agus Muhammad Hatta Akhmad F. Alhikami Akhmad Faruq Alhikami Aulia Muhammad Taufiq Nasution Aulia Siti Aisjah Detak Yan Pratama Eka Puji Kurniawan FITRIA, NOVI Halen Dinata Atmaja Hamidah, Nur Laila Herman Sasongko Heru Mirmanto Hudiyo Firmanto, Hudiyo Iwan Cony Setiadi, Iwan Cony Joko Waluyo Kadek Chestha Amrita Masrufaiyah Masrufaiyah Mohammad Adenan Ni Putu Rika Puspita Dewi Ola Dwi Sandra Hasan Putra, Herlian Eriska Putu Angga Kristyawan Rachmad Andri Atmoko Raditya, Murry Ridho Bayuaji Ridho Hantoro Ruri Agung Wahyuono Sangadji, Anisa Sarwono SATRIYAS ILYAS Sekartedjo Sekartedjo Sukmawati, Wina Ike Sulaiman, Sani Maulana Totok R Biyanto Totok R. Biyanto Totok R. Biyanto Totok Soehartanto Wahyu Hendra W Yusuf Wibisono Zaini, Ahmad