Two-phase pressure drop and flow boiling heat transfer in an enhanced dimpled tube with a solid round rod insert
作者： Zahid H. Ayub , Adnan H. Ayub , Gherhardt Ribatski , Tiago Augusto Moreira , Tariq S. Khan
DOI: 10.1016/J.IJREFRIG.2017.01.008
关键词:
摘要: Abstract An experimental study was conducted on a 19.05 mm (outer diameter) dimpled enhanced tube to evaluate the in-tube two phase heat transfer and pressure drop performance in an annular section created between solid round PVC rod. The purpose of understand effect forced early transition flow coefficient horizontal tube. refrigerant studied R-134a at saturation temperature 5 °C, flux range 2.5 15 kW m−2, mass from 80 200 kg m−2 s−1 inlet vapor quality 0.12 0.72. Flow pattern results were obtained under adiabatic conditions. Under similar operating conditions with rod exhibited three times higher versus same size smooth empty lower penalty mas flux.
iifiir.org参考文章(28)
Barry N. Taylor, Guidelines for Evaluating and Expressing the Uncertainty of Nist Measurement Results ,(2017)
R. B. Abernathy, Billy D. Powell, David L. Colbert, Daniel G. Sanders, Jr Thompson, J. W., Handbook, Uncertainty in Gas Turbine Measurements Defense Technical Information Center. ,(1973) , 10.21236/AD0755356
M. A. Akhavan-Behabadi, M. K. Sadoughi, Milad Darzi, M. Fakoor-Pakdaman, A. Abbasi, Simultaneous Effects of Flattening Tube and Adding Nanoparticles on Boiling Heat Transfer Journal of Thermophysics and Heat Transfer. ,vol. 31, pp. 78- 85 ,(2017) , 10.2514/1.T4612
Jesús Moreno Quibén, Lixin Cheng, Ricardo J. da Silva Lima, John R. Thome, Flow boiling in horizontal flattened tubes: Part II – Flow boiling heat transfer results and model International Journal of Heat and Mass Transfer. ,vol. 52, pp. 3645- 3653 ,(2009) , 10.1016/J.IJHEATMASSTRANSFER.2008.12.033
Nae-Hyun Kim, Eul-Jong Lee, Ho-Won Byun, Evaporation heat transfer and pressure drop of R-410A in flattened smooth tubes having different aspect ratios International Journal of Refrigeration-revue Internationale Du Froid. ,vol. 36, pp. 363- 374 ,(2013) , 10.1016/J.IJREFRIG.2012.10.001
Mao-Yu Wen, Kuang-Jang Jang, Ching-Yen Ho, The characteristics of boiling heat transfer and pressure drop of R-600a in a circular tube with porous inserts Applied Thermal Engineering. ,vol. 64, pp. 348- 357 ,(2014) , 10.1016/J.APPLTHERMALENG.2013.12.074
M. Nasr, M.A. Akhavan-Behabadi, S.E. Marashi, Performance evaluation of flattened tube in boiling heat transfer enhancement and its effect on pressure drop International Communications in Heat and Mass Transfer. ,vol. 37, pp. 430- 436 ,(2010) , 10.1016/J.ICHEATMASSTRANSFER.2009.11.011
C.A. Chen, C.Y. Lee, T.F. Lin, Experimental study of R-134a evaporation heat transfer in a narrow annular duct International Journal of Heat and Mass Transfer. ,vol. 53, pp. 2218- 2228 ,(2010) , 10.1016/J.IJHEATMASSTRANSFER.2009.12.011
Cristiano Bigonha Tibiriçá, Gherhardt Ribatski, Flow patterns and bubble departure fundamental characteristics during flow boiling in microscale channels Experimental Thermal and Fluid Science. ,vol. 59, pp. 152- 165 ,(2014) , 10.1016/J.EXPTHERMFLUSCI.2014.02.017
D. Chisholm, A theoretical basis for the Lockhart-Martinelli correlation for two-phase flow International Journal of Heat and Mass Transfer. ,vol. 10, pp. 1767- 1778 ,(1967) , 10.1016/0017-9310(67)90047-6