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All Journal AUSTENIT Abdi Dosen : Jurnal Pengabdian Pada Masyarakat International Journal of Applied Technology Research Jurnal Pengabdian kepada Masyarakat (Nadimas)
Wardika, Wardika
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Comparative Analysis of the Performance of the Thermal Pasteurization System Using Ohmic Heating Method with an Electric Heater on Mango Puree kurniawan, yudhy; Wardika, Wardika; Sugara, Ferry; Alhamid, Muhammad Idrus; Ardiyansyah, Ardiyansyah
Jurnal Internasional Penelitian Teknologi Terapan Vol 5 No 1 (2024): February 2024
Publisher : Bandung State Polytechnic (Politeknik Negeri Bandung)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/ijatr.v5i1.146

Abstract

This study explains the comparative analysis of performance in the thermal pasteurization system of the ohmic heating method with the electric heater in mango puree. The goal is to find out which thermal pasteurization method is better and more efficient. The method used for this study is to compare the two thermal pasteurization methods from the performance obtained, heating time, electrical power and electricity consumption costs. In the pasteurization process, the product is heated not exceeding 70 oC in the ohmic tube with an electric current on an electrode with a thickness of 4 mm attached to the end of the ohmic tube, while pasteurization of the product electric heater is heated in a double jacket tube equipped with an electric heater. The results of the analysis were obtained for the ohmic heating method the efficiency value was 78%, while for the method with an electric heater the efficiency value was 4%, the heating time of the ohmic heating method is 555 seconds, while the heating time of the electric heater method is 1500 seconds, for electric power in the ohmic heating method is 224.59 watts, while in the electric heater method an electric power of 1730.2 watts is obtained, and the cost of electricity consumption of the ohmic heating method is Rp.1,498.33,-/month, while the electric heater method costs electricity consumption of Rp.31,407.26,-/month.
PENERAPAN WATER CHILLER DAN BOX FREEZER UNTUK PENDINGINAN DAN PENYIMPANAN PURE MANGGA Setiawan, Aa; Wardika, Wardika; Kurniawan, Yudhy
Jurnal Pengabdian kepada Masyarakat (NADIMAS) Vol 4 No 1 (2025): Jurnal Pengabdian kepada Masyarakat (Nadimas)
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/nadimas.v4i1.85

Abstract

There are many processed mangoes, one of which is processed into mango pure. Pure is mango fruit pulp which is processed through pasteurization technology or a cooking process by heating it to a high temperature reaching 70-80 oC. A tool is needed to cool the pure and at the same time store it in one place. The aim of this community service program is to increase partner empowerment and increase the types of processed mango products. The methods in this program are observation, identifying partner problems, making tools, testing, and assisting in using the tools. This activity was successfully carried out as seen from the tool's ability to reduce the pure temperature from 70 oC to 25 oC in 4 hours 30 minutes
IMPLEMENTATION OF ELECTRICAL INSTALLATION PROPS AT YAPIN KERTASEMAYA SENIOR HIGH SCHOOL Fatwasauri, Icha; Haryanti, Tri; Wardika, Wardika; Arzaq, Lathoiful; Maulana, Damar; Safitri, Safitri
Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Vol. 7 No. 4 (2023): DESEMBER
Publisher : LPPM Univ. Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/abdidos.v7i4.1932

Abstract

Physics is one of the subjects that is a scourge for students majoring in Natural Sciences at Yapin Kertasemaya High School. Based on the results of the team's interview with the physics teacher, it was found that the students were weak in electricity. In overcoming this problem, a teaching tool is made to learn basic electricity. From the results of community service activities, it can be seen that students are very enthusiastic and easily understand the material provided using teaching aids.
PENGARUH VARIASI TEKANAN SUCTION TERHADAP KINERJA AC MOBIL Wardika, Wardika; Setiawan, Aa; Suwandi, Dedi; Casinih, Casinih
AUSTENIT Vol. 14 No. 2 (2022): AUSTENIT: October 2022
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v14i2.4534

Abstract

A refrigerant is a functioning liquid that flows in the refrigeration cycle which causes a cooling effect on the refrigeration machine. This study aims to determine the impact of refrigerant suction pressure on the performance of car air conditioners. The refrigerant pressure in the refrigeration system can increase and decrease the performance of the A/C system. The test was carried out by varying the 3 refrigerant pressures, 10psi, 20psi, and 30psi on the Car AC trainer testing tool. Based on testing and data processing, the system efficiency performance at 10psi pressure is 81.26%, at 20psi pressure is 81.27% and at 30 psi pressure is 82.13% with actual COP of 6.98, 7.24, 7.36, and Carnot COP of 8.56 respectively. , 8.92, 8.95. Then the impact of changes due to pressure variations in the system on cabin temperature is 22.52℃, 23.01℃, and 23.45℃, respectively. Changes in refrigerant pressure in the car AC engine will affect system performance, where the more significant the suction pressure is given, the efficiency, and the COP value will increase as well as the compressor work and the cabin temperature will increase.
Co-Authors Aa Setiawan, Aa Ardiyansyah Ardiyansyah Arzaq, Lathoiful Casinih, Casinih Fatwasauri, Icha Ferry Sugara, Ferry Maulana, Damar Muhammad Idrus Alhamid, Muhammad Idrus Safitri Safitri Suwandi, Dedi Tri Haryanti Yudhy Kurniawan, Yudhy