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All Journal AUSTENIT ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Journal of Energy, Mechanical, Material and Manufacturing Engineering ASEAN Journal of Chemical Engineering STEAM Engineering : Journal of Science, Technology, Education And Mechanical Engineering Jurnal Difusi Industrial Research Workshop and National Seminar
KURNIASETIAWATI, ANNISA
Politeknik Negeri Bandung
Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology 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 Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Journal : AUSTENIT

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POTENSI PERFOMA PENDINGINAN MODUL TERMOELEKTRIK TEC1-12710 DAN TEC1-12715 SR DENGAN METODA OPTIMASI PENDINGINAN SISI PANAS MENGGUNAKAN BEBERAPA JENIS PENUKAR KALOR Kurniasetiawati, Annisa Syafitri; Prasetyo, Bowo Yuli
AUSTENIT Vol. 16 No. 2 (2024): AUSTENIT: October 2024
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v16i2.9470

Abstract

Thermoelectric module is a mature technology that have been used in cooling applications such as special product storage cabins and cooling electronic products. Compared to the conventional technology (vapor compression systems), thermoelectric modules offer many advantages. However, in terms of cooling performance, particularly for large cooling capacities (>100Watt), thermoelectric modules still lag the conventional technology. One method that can be used to improve the cooling performance of thermoelectric modules is cooling the hot side of the module using a heat exchanger. In this study, experiments will be carried out on the TEC1-12710 and TEC1-12715 SR modules which alternately combined with five types of heat exchangers on the hot side of the module, connected by thermal paste. The types of heat exchangers used are Square HE, Round HE, Two-Pipe HE, Four-Pipe HE, and Liquid-Cooler HE. The experiments are carried out with operating voltage variations of 12V, 9V and 6V for each thermoelectric module. The data analysis results found that the best COP value was obtained by the TEC1-12715 SR thermoelectric module with the Round type Heat Exchanger of 0.767 at a voltage of 6V. For the TEC1-12710 thermoelectric module, the highest COP value was also obtained when the module was paired with a Round type Heat Exchanger at a voltage of 6V, with a value of 0.620. Additionally, the highest heat absorption value for both thermoelectric modules was obtained at a voltage of 12V using the Round type heat exchanger, namely 19.61 Watts (TEC1-12710) and 26.98 Watts (TEC1-12715 SR), respectively.
INVESTIGATION OF THE EFFECT OF WINDOW SHADES TYPE ON THE OTTV IN U COLLEGE BUILDING OF BANDUNG STATE POLYTECHNIC Akmal, Muhammad; Kurniasetiawati, Annisa Syafitri
AUSTENIT Vol. 15 No. 2 (2023): AUSTENIT: October 2023
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v15i2.7064

Abstract

The U building is the college building for the Department of Refrigeration and Air Conditioning, Bandung State Polytechnic. However, during the afternoon teaching, the third floor is often complained of feeling hot and disrupting the teaching and learning process. This is caused by the size of the window on the third floor is too large and does not use any shade. This research was conducted to determine the OTTV value of the existing U Building and then investigate the potential for improving the OTTV value by changing window glass materials or adding shading such as window film. This study used primary and secondary data collection methods. The primary data consisted of: building dimensions, glass dimensions, door dimensions, ambient temperature, inside temperature, wall and glass surface temperatures, and glass types. Meanwhile, some secondary data, namely building U as built drawings, wall specifications, and glass specifications used. It was found that the existing OTTV value of the Lecture U Building reached 39.78 W/m2 where this value was above the SNI 03-6389 2011 standard. By investigating the installation of shading such as window film and double glass it was possible to minimize the building's OTTV value to 36.78 W/m2 for window film and 33.86 W/m2 for the addition of double glass accompanied by window film.
Co-Authors Ade Suryatman Margana Andriyanto Setyawan Badarudin, Apip Bunga Putri Shaumi Cahyo Wibowo Chatarina Umbul Wahyuni Ferdiyansyah, Ferdiyansyah GANTINA, TINA MULYA Herawati Budiastuti Hermagasantos Zein Khofifah, Ananda Anggis Laksono Trisnantoro Lina Setiawati Magdalena, Carolina MARENSHAPUTRI, PUREZA Mitrakusuma, Windy Hermawan Muhammad Akmal Muhammad Arman Muhammad Rafif Musyaffa Al Fakhri Nani Yuningsih, Nani Nuryati, Neneng Pakpahan, Rosma Pramudantoro, Triaji Pangripto Prasetyo, Bowo Yuli Rosulindo, Parisya Premiera Rusmana Sapto Prajogo Sapto Prayogo setiawan, Dibyo Siahaan, Herbert Hasudungan Sri Widarti, Sri Sulthan Rachman Saleh Susilawati Teguh Sasono TINA MULYA GANTINA Tritjahjono, Rachmad Imbang Wachjoe, Conny K. WACHJOE, CONNY KURNIAWAN Wibisono, Nono Windy Hermawan Mitrakusuma YANTI SUPRIANTI, YANTI Yulistiani, Fitria