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All Journal Jurnal Teknologi Terapan Industrial Research Workshop and National Seminar SEMNASTERA (Seminar Nasional Teknologi dan Riset Terapan)
Ade Suryatman Margana
Jurusan Teknik Refrigerasi Dan Tata Udara, Politeknik Negeri Bandung
Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Other

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Journal : Jurnal Teknologi Terapan

 1 
SIMULASI NUMERIK DISTRIBUSI POLUSI UDARA DALAM RUANGAN Bowo Yuli Prasetyo; Arda Rahardja Lukitobudi; Ade Suryatman Margana
Jurnal Teknologi Terapan Vol 8, No 1 (2022): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v8i1.377

Abstract

The kitchen is a vital area that provides energy sources through food processing for residences. However, the cooking process can also produce pollutants that are harmful to the body. This study aims to investigate the concentration and distribution of contaminants (CO and CO2) generated from the kitchen to all rooms in the house. In addition, Air temperature and velocity are investigated to observe their relationship with the distribution of pollutants. The investigation procedure utilizes a numerical simulation of a dwelling with two different ventilation cases. The simulation results show no significant difference in air velocity between the two cases. While the addition of natural ventilation in the kitchen area can reduce CO and CO2 concentrations throughout the room by 25.8% and 24.9%, respectively. On the other hand, the indoor air temperature can also be reduced by 4.9% with the same treatment. In conclusion, the addition of a window in the kitchen area has a significant impact on reducing temperature and pollutant concentrations all over the room.
UJI PERFORMANSI EVAPORATIVE COOLING SYSTEM PADA KUMBUNG JAMUR MERANG DENGAN VARIASI TEKANANNYA Ahmad Maulana Kartika; Sunanto Sunanto; Ade Suryatman Margana
Jurnal Teknologi Terapan Vol 8, No 2 (2022): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v8i2.367

Abstract

The mushroom cultivation process carried out by farmers is usually in a kumbung measuring 7 meters long, 5 meters wide, and about 3 meters high. According to farmers' confessions, during the dry season or when the weather is sunny (daytime conditions) the temperatur inside the kumbung is relatively high and can reach temperatures of up to 40 oC. These conditions are clearly not in accordance with the optimum conditions of mushroom growth, where the optimum temperature of the mushroom growth ranges from 30 oC - 35 oC. For this reason, it is necessary to apply an air conditioning system in the mushroom room so that its growth can be optimally as expected. The method used to cool the mushroom room is to use high-pressure spray cooling, where the cooling method of the spray cooling is to utilize the evaporative cooling principle of pressurized water spray with the help of a compressor. The water spray pressure in this test will be varied at 5 psi, 10 psi, and 15 psi. From the experiments that have been carried out, the results of the test at a pressure of 5 psi have the highest efficiency, which is about 19,2%, while at a pressure of 10 and 15 psi it has an efficiency of about 34,2 % and 38,7%, respectively. The average room temperature for a pressure of 5 psi is about 34.8 oC, while for a pressure of 10 and 15 psi each has an average room temperature of about 33.7 oC and 33,4 oC. Furthermore, the cost operational for the 5 , 10 , and 15 psi tests have values of about Rp 18.860,- Rp 29.741,- and Rp 40.662,- montly.
Co-Authors Ahmad Maulana Kartika Andriyanto Setyawan AP. Edi Sukamto Apip Badarudin Arda Rahardja Lukitobudi Chico Hary Saputra Hari Purnama KURNIASETIAWATI, ANNISA Muhammad Fahmi Suhendar Mulki Fauzi Amrulloh Prasetyo, Bowo Yuli Risma Safytri Salsa Hallimatussyadiah Sulthan Rachman Saleh Sumeru Sunanto Sunanto Utami Nuri Adilah Yulianti Andini