Advertisement

Performance and Geometrical Parametric Evaluation of Plate Finned Tube Gas Cooler for Trans-critical CO2 Air Conditioning System

  • Nilam P. Jadhav
  • V. K. Bupesh Raja
  • Shrikrushna B. Bhosale
Conference paper

Abstract

This paper aims at the study of heat transfer coefficient, effectiveness and capacity of trans critical CO2 for plain fin and tube gas cooler to investigate the effect of fin density, fin thickness, transverse and longitudinal tube spacing, gas cooler width and air inlet temperature. For this purpose, the Indian climate conditioned condenser model was used which have 40 °C DBT and the condenser pressure 90 bar. The thermo-physical and transport properties of CO2 have a monitor for the physical behavior at state point of the fluid or mixture using REFPROP software. Refrigerant and air side heat transfer coefficients were estimated and compared with the available correlations. It has been observed that the heat transfer coefficient and effectiveness for 830–1030 m3/h flow rate shows intimacy with rich correlation compared with other correlations.

Keywords

Gas cooler Trans critical Finned tube Heat transfer coefficient 

References

  1. 1.
    Lorentzen G (1995) The use of natural refrigerants: a complete solution to the CFC/HCFC predicament. Int J Refrig 18(3):190–197CrossRefGoogle Scholar
  2. 2.
    Pettersen J, Hafner A, Skaugen G (1998) Development of compact heat exchangers for CO2 air conditioning systems. Int J Refrig 21(3):180–193CrossRefGoogle Scholar
  3. 3.
    Yin JM, Bullard CW, Hrnjak PS (2001) R-744 gas cooler modeldevelopment and validation. Int J Refrig 24:692–701CrossRefGoogle Scholar
  4. 4.
    Kim M-H, Bullard CW (2002) Air-side thermal hydraulic performance of multi-louvered fin aluminum heat exchangers. Int J Refrig 25:390–400CrossRefGoogle Scholar
  5. 5.
    Yoon SH, hook Kim J, Hwang YW, Mm SK, KyoungdougMin YK (2003) Heat transfer and pressure drop characteristics during the tubecooling process of carbon dioxide in the supercritical region. Int J Refrig 26:857–864CrossRefGoogle Scholar
  6. 6.
    Chang Y-S, Kim MS (2007) Modeling and performance simulation of a gas cooler for a CO2 heat pump system. J HVAC&R Res 3(3):445–456CrossRefGoogle Scholar
  7. 7.
    Pitla SS, Groll EA, Ramadhyani S (2002) New correlation for the heat transfer coefficient during in-tube cooling of turbulent supercritical carbon dioxide. Int J Refrigeration 25(7):887–895CrossRefGoogle Scholar
  8. 8.
    Rich DG (1973) The effect of fin spacing on the heat transfer and friction performance ofmulti-row smooth plate fin and tube heat exchangers. ASHRAE Trans 79(2):135–145Google Scholar
  9. 9.
    Rich DG (1975) The effect of a number of tube rows on heat transfer performance of smoothplate fin and tube heat exchangers. ASHRAE Trans 81:307–317Google Scholar
  10. 10.
    Wang CC, Chi KY, Chang CJ (1999) Heat transfer and friction characteristics of the plainfin and tube heat exchangers, part II: correlation. Int J Heat Mass Transf 43:2693–2700CrossRefGoogle Scholar
  11. 11.
    Wang CC, Chi KY, Chang YJ, Chang YP (1998) A comparison study of compact platefin and tube heat exchangers. ASHRAE TransGoogle Scholar
  12. 12.
    McQuiston FC (1978) Correlation of heat, mass and momentum coefficients for plate finand tube heat transfer surfaces with staggered tubes. ASHRAE Trans 84(1):294–309Google Scholar
  13. 13.
    Webb RL, Gray DL (1986) Heat transfer and friction correlations for plate finned tube heat exchangers having plain fins. In: Proceedings of 8th heat transfer conference. pp 2745–2750Google Scholar
  14. 14.
    Li L, Du X, Yang L, Xu Y, Yang Y (2013) Numerical simulation on flow and heat transfer of fin structure in the air-cooled heat exchanger. Int J Appl Therm Eng 59:77–86CrossRefGoogle Scholar
  15. 15.
    Ge YT, Cropper RT (2009) Simulation and performance evaluation of finned-tube CO2 gas coolers for refrigeration systems. Int J Appl Therm Eng 29:957–965CrossRefGoogle Scholar
  16. 16.
    Jia J, Li J, Huang L, Wang S (2017) Experimental and numerical study of an integrated fin and micro-channel gas cooler for CO2 automotive air conditioning. Int J Appl Therm Eng 116:636–647CrossRefGoogle Scholar
  17. 17.
    Sarkar J, Bhattacharyya S, Gopal MR (2006) Simulation of a transcritical CO2heat pump cycle for simultaneous cooling and heating applications. Int J Refrig 29:735–743CrossRefGoogle Scholar
  18. 18.
    Krasnashchekov EA, Kuraeva IV, Protopopov VS (1969) Local heat transfer ofcarbon dioxide under supercritical pressure under cooling conditions. TeplofoxokaVysokikh Temp 7(5):922–930Google Scholar
  19. 19.
    Petrov NE, Popov VN (1985) Heat transfer and resistance of carbon dioxide beingcooled in the supercritical region. Therm Eng 32(3):131–1985Google Scholar
  20. 20.
    Baskov VL, Kuraeva IV, Protopopov VS (1977) Heat transfer with the turbulent flow of a liquid at supercritical pressure in tubes under cooling conditions. J Teplofizika Vysokikh Temperatur 15(1):96–102Google Scholar
  21. 21.
    Petrov NE, Popov VN (1985) Heat transfer and resistance of carbon dioxide being cooledin the supercritical region. Therm Eng 32(3):131–134Google Scholar
  22. 22.
    Huai X, Koyama S, Zhao TS, Shinmura E, Hidehiko K, Masaki M (2004) An experimental study of flow boiling characteristics of carbondioxide in multiport mini-channels. Appl Therm Eng 24:1443–1463CrossRefGoogle Scholar
  23. 23.
    Liao SM, Zhao TS (2002) Measurement of heat transfer coefficient from supercriticalcarbon dioxide flowing in horizontal mini/micro channels. J Heat Transf 124:413–420CrossRefGoogle Scholar
  24. 24.
    Cheng L, Ribatski G, Thome j R (2008) Analysis of supercritical CO2 cooling in macro and micro channels. Int J Refrig 31:1301–1316CrossRefGoogle Scholar
  25. 25.
    Heun MK, Dunn WE (1996) Principles of refrigerant circuiting with application to microchannel condensers: part II—the pressure-drop effect and the cross-flow heat exchanger effect. ASHRAE Trans 102(2):382–393Google Scholar
  26. 26.
    Kuang G (2006) Heat transfer and mechanical analysis of the supercritical gas cooling process of CO2 in microchannelsGoogle Scholar
  27. 27.
    Pettersen J (2004) Flow vaporization of CO2 in microchannel tubes. Exp Thermal Fluid Sci 28:111–121CrossRefGoogle Scholar
  28. 28.
    NIST12. National Institute of Standards and Technology, distributed with the Handbook of Heat Transfer published by John Willey and SonsGoogle Scholar

Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Nilam P. Jadhav
    • 1
  • V. K. Bupesh Raja
    • 2
  • Shrikrushna B. Bhosale
    • 3
  1. 1.Research Scholar, Department of Mechanical EngineeringSathyabama UniversityChennaiIndia
  2. 2.Department of Mechanical EngineeringSathyabama UniversityChennai (TN)India
  3. 3.Department of Mechanical EngineeringSVERI’s College of EngineeringPandharpurIndia

Personalised recommendations