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Prediction and verification of the thermodynamic performance of vapor–liquid separation condenser

Author

Listed:
  • Hua, Nan
  • Chen, Ying
  • Chen, Erxiong
  • Deng, Lisheng
  • Zheng, Wenxian
  • Yang, Zhen

Abstract

This paper proposed a computation program to predict the in-tube thermodynamic performance of the LSC (liquid–vapor separation condenser). The refrigerant circuit of the LSC was then optimized using the Penalty Factor with the predicted results. The proposed program was used to calculate a case and an optimized tube pass strategy was obtained under a fixed condition. Higher heat transfer coefficient and lower pressure drop appeared in a number of LSCs compared with an equivalent serpentine condenser under the same operating conditions. To verify the results of the proposed program, a group of corresponding experiments were conducted to measure the heat transfer and pressure drop of the LSC using the optimized circuit strategy. The results from most experimental data demonstrated that both heat transfer coefficient and pressure drop fell into the range of ±30%.

Suggested Citation

  • Hua, Nan & Chen, Ying & Chen, Erxiong & Deng, Lisheng & Zheng, Wenxian & Yang, Zhen, 2013. "Prediction and verification of the thermodynamic performance of vapor–liquid separation condenser," Energy, Elsevier, vol. 58(C), pages 384-397.
    • Handle: RePEc:eee:energy:v:58:y:2013:i:c:p:384-397
    DOI: 10.1016/j.energy.2013.05.034
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    Citations

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    Cited by:

    1. Luo, Xianglong & Wei, Youxing & Qiu, Guanfu & Liang, Yingzong & Chen, Jianyong & Yang, Zhi & Wang, Chao & Chen, Ying, 2020. "Simultaneous design and off-design operation optimization of a waste heat-driven organic Rankine cycle using a multi-period mathematical programming method," Energy, Elsevier, vol. 213(C).
    2. Luo, Xianglong & Yi, Zhitong & Zhang, Bingjian & Mo, Songping & Wang, Chao & Song, Mengjie & Chen, Ying, 2017. "Mathematical modelling and optimization of the liquid separation condenser used in organic Rankine cycle," Applied Energy, Elsevier, vol. 185(P2), pages 1309-1323.
    3. Li, Jian & Hu, Shuozhuo & Yang, Fubin & Duan, Yuanyuan & Yang, Zhen, 2019. "Thermo-economic performance evaluation of emerging liquid-separated condensation method in single-pressure and dual-pressure evaporation organic Rankine cycle systems," Applied Energy, Elsevier, vol. 256(C).
    4. Li, Jian & Liu, Qiang & Ge, Zhong & Duan, Yuanyuan & Yang, Zhen & Di, Jiawei, 2017. "Optimized liquid-separated thermodynamic states for working fluids of organic Rankine cycles with liquid-separated condensation," Energy, Elsevier, vol. 141(C), pages 652-660.
    5. Zhong, Tianming & Chen, Ying & Hua, Nan & Zheng, Wenxian & Luo, Xianglong & Mo, Songping, 2014. "In-tube performance evaluation of an air-cooled condenser with liquid–vapor separator," Applied Energy, Elsevier, vol. 136(C), pages 968-978.

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