Ahmad, Haidar and , Ir. Sartono Putro, M.T. (2024) Studi Eksperimen Performansi Heat Exchanger Tipe Shell and Tube, Cross-Flow Four Pass, Finned Tube dengan Variasi Mixed dan Unmixed untuk Mengeringkan Singkong. Skripsi thesis, Universitas Muhammadiyah Surakarta.
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Abstract
This heat exchanger performance experimental study aims to determine the effect of the cold fluid volume flow rate, namely 0.023 m3/s; 0.028 m3/s; 0.030 m3/s; 0.032 m3/s; towards on changes in cold fluid temperature, heat value received by cold fluid, total heat transfer coefficient, and heat exchanger efficiency; in mixed and unmixed variations of heat exchangers using Shell and Tube Type Heat Exchangers, Cross-Flow Four Pass, Finned Tube, with Mixed and Unmixed Variations. The blower distributes cold fluid air flowing into the heat exchanger pipes (tubes). Measure the flow velocity on the blower and the diameter of the inlet cold fluid channel, then the volume flow rate value obtained with the blower valve completely closed is 0.023 m³/s, the valve is 1/3 open, namely 0.028 m³/s, the valve is 2/3 open, namely 0.030 m³/s, and the valve is perfectly open, namely 0.032 m³/s. The cold fluid will receive heat and experience an increase in temperature due to the transfer of heat from the hot fluid flowing on the side of the heat exchanger shell which comes from a stove fueled by 3kg LPG gas. The cold fluid, which has experienced an increase in temperature, then flows into the rotary dryer to dry the cassava as a drying load. From the experimental study of heat exchanger performance in mixed variations, the results were obtained that changes in temperature of the cold fluid decreased even though the volume flow rate increased, and for the heat value received by the cold fluid, the total heat transfer coefficient, and the efficiency of the heat exchanger; continues to increase along with increasing volume flow rate. In the unmixed variation, the results obtained were that for changes in cold fluid temperature, heat value received by the cold fluid, and heat exchanger efficiency; increases up to a certain point as the volume flow rate increases, then decreases even though the volume flow rate continues to increase, and the total heat transfer coefficient consistently increases as the volume flow rate increases.
| Item Type: | Thesis (Skripsi) |
|---|---|
| Uncontrolled Keywords: | heat exchanger, mixed, unmixed, volume flow rate. |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Fakultas Teknik > Teknik Mesin |
| Depositing User: | HAIDAR AHMAD |
| Date Deposited: | 08 Aug 2024 02:41 |
| Last Modified: | 08 Aug 2024 02:41 |
| URI: | http://eprints.ums.ac.id/id/eprint/126189 |
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