EES를 이용한 백연저감 열교환 시스템의 성능해석 연구
Study on Performance Analysis of White Smoke Reduction Heat Exchange System using EES
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초록
In this study, a white smoke reduction simple prediction model of white smoke reduction heat exchange system was developed by using EES. In order to verify the reliability of the EES model, it was compared with the computational results. The developed EES predictive model was used to calculate the temperature and absolute humidity of the mixed SA and EA according to the change of cooling water capacity, flow rate ratio of SA/EA, and SA inlet temperature. The difference between final temperature and absolute humidity at the outlet of the mixer calculated by computational analysis and EES was within 1.4% and 3.6%. As the cooling water capacity and the inlet flow rate ratio increased, and as the inlet air temperature decreased, the temperature and absolute humidity of the mixer decreased. The most influential factor in the white smoke reduction effect among the design variables of the white smoke reduction heat exchange system was the flow rate ratio of SA/EA.
Abstract
In this study, a white smoke reduction simple prediction model of white smoke reduction heat exchange system was developed by using EES. In order to verify the reliability of the EES model, it was compared with the computational results. The developed EES predictive model was used to calculate the temperature and absolute humidity of the mixed SA and EA according to the change of cooling water capacity, flow rate ratio of SA/EA, and SA inlet temperature. The difference between final temperature and absolute humidity at the outlet of the mixer calculated by computational analysis and EES was within 1.4% and 3.6%. As the cooling water capacity and the inlet flow rate ratio increased, and as the inlet air temperature decreased, the temperature and absolute humidity of the mixer decreased. The most influential factor in the white smoke reduction effect among the design variables of the white smoke reduction heat exchange system was the flow rate ratio of SA/EA.
참고문헌 (5)
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- C. W. Park, "Two-Stage Compression Cycle Operating with Alternative Refrigerant Using by EES Program", The Society of Air-Conditioning And Refrigerating Engineers of Korea Summer Annual Conference, pp.533~538 (2009)
- S. I. Na, "Air to Air Heat Pump Simulation Modelling Study with EES Program", The Society of Air-Conditioning And Refrigerating Engineers of Korea Summer Annual Conference, pp.137~140 (2012)
- 고광수, "폐열이용 열펌프시스템의 성능에 관한 연구", 한국지열·수열에너지학회논문집, 14(4), pp.53~60 (2018), 한국 지열 · 수열에너지학회[DOI]
- 명치욱, "R404A와 R744의 냉매를 이용한 냉동탑차 냉장성능 비교에 관한 해석적 연구", 한국자동차공학회 논문집, 19(6), pp.119~125 (2011), 한국자동차공학회