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Performance Test of Mini Water Chiller for Aquascape using Vapour Compression Refrigeration System

Tugas Akhir, 013 / 2020 / RTU
Undergraduate Theses from JBPTPPOLBAN / 2021-12-06 10:01:54
By : Ismi Nurul Fatimah - 171611013 (ismi.nurul.tptu17@polban.ac.id)
Created : 2021-12-06, with 4 files

Keyword : Performance Test, Mini Water, Chiller, Aquascape, Vapour Compression, Refrigeration System
Subject : Uji Performansi, Mini Water, Chiller, Aquascape, Sistem Refrigerasi, Kompresi Uap

Aquascape merupakan teknik penciptaan ekosistem tiruan bawah air (atau laut) di dalam sebuah media berupa aquarium. Diperlukan pemeliharaan terhadap elemen aquascape didalamnya yakni dengan menjaga temperatur air berkisar antara 18- 22 ̊C. Dengan memanfaatkan teknologi refrigerasi, sistem mini water chiller dibuat untuk menjaga temperatur air di dalam aquascape. Meskipun berada pada daerah yang cukup terik atau panas, tanaman air aquascape akan tetap terjaga. Maka dari itu tugas akhir ini bertujuan untuk menganalisis performansi sistem refrigerasi pada mesin mini water chiller menggunakan refrigeran R-134a. Analisis dilakukan dengan pengambilan data seperti tekanan suction, tekanan discharge, temperatur suction, temperatur discharge, temperatur keluaran kondensor, temperatur air dalam akuarium, temperatur air dalam chiller, temperatur lingkungan, arus, tegangan, kWh. Dari hasil data yang diperoleh kemudian melakukan pengolahan data untuk hasil performansi sistem mengetahui konsumsi energi yang digunakan. Dari hasil analisis didapat chilling time yaitu selama 54 menit, COPaktual rata-rata yang didapatkan sistem yaitu sebesar 5,16 dan COPcarnot rata-rata yang didapatkan sistem yaitu sebesar 6,3. Efisiensi sistem rata-rata yang didapatkan yaitu sebesar 81%. Energi listrik yang dikonsumsi selama sistem berjalan sebesar 0,522 kWh.

Description Alternative :

Aquascape is a technique for creating artificial underwater (or marine) ecosystems in a medium in the form of an aquarium. It is necessary to maintain the aquascape elements in it by maintaining the water temperature in the range of 18-22 ̊C. By utilizing refrigeration technology, the mini water chiller system is designed to maintain the temperature of the water in the aquascape. Even though it is in an area that is quite hot or hot, aquascape aquatic plants will be maintained. Therefore, this final project aims to analyze the performance of the refrigeration system in a mini water chiller machine using refrigerant R-134a. The analysis was performed by collecting data such as suction pressure, discharge pressure, suction temperature, discharge temperature, condenser output temperature, water temperature in the aquarium, water temperature in the chiller, ambient temperature, current, voltage, kWh. From the results of the data obtained, then perform data processing for system performance results to determine the energy consumption used. From the analysis, it is obtained that the chilling time is 54 minutes, the average COP actual obtained by the system is 5.16 and the average COPcarnot obtained by the system is 6.3. The average system efficiency obtained is 81%. The electrical energy consumed during the system is 0.522 kWh.

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