Author details

Hafiz Muhammad Ali

Address all correspondence to: hafizmali@kfupm.edu.sa; h.m.ali@uettaxila.edu.pk

1 Center of Research Excellence in Renewable Energy (CoRE-RE), King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, Saudi Arabia

2 Department of Mechanical Engineering, University of Engineering and Technology, Taxila, Pakistan

#### References


[10] Rudy, T. M., and Webb, R. L., (1985), An Analytical Model to Predict Condensate Retention on Horizontal Integral Fin Tubes, Trans. ASME, Vol. 107, 361–368.

θ fin or pin-tip half angle

120 Heat Exchangers– Advanced Features and Applications

Author details

Pakistan

References

Hafiz Muhammad Ali

∅ angle measured from the top of a fin or a pin tube

Petroleum & Minerals (KFUPM), Dhahran, Saudi Arabia

∅<sup>f</sup> condensate flooding or retention angle measured from the top of a fin or a pin tube

Address all correspondence to: hafizmali@kfupm.edu.sa; h.m.ali@uettaxila.edu.pk

1 Center of Research Excellence in Renewable Energy (CoRE-RE), King Fahd University of

2 Department of Mechanical Engineering, University of Engineering and Technology, Taxila,

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[25] Masuda, H. and Rose, J.W., (1985), An Experimental Study of Condensation of R-113 on Low

[26] Masuda, H. and Rose, J.W., (1988), Condensation of Ethylene Glycol on Horizontal Finned

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[28] Wanniarachchi, A. S., Marto, P. J. and Rose, J. W., (1986), Film Condensation of Steam on

[29] Marto, P. J., Mitrou, E., Wanniarachchi, A. S., and Rose, J. W., (1986), Film Condensation of Steam on Horizontal Finned Tubes: Effect of Fin Shape, Proc. 8th Int. Heat Transfer Conf., Vol.

[30] Marto, P. J., Zebrowski, D., Wanniarachchi, A. S. and Rose, J. W., (1990), An Experimental Study of R-113 Film Condensation on Horizontal Integral Fin Tubes, Trans. ASME, Vol. 112,

[31] Briggs, A. Wen, X. L. and Rose, J. W., (1992), Accurate Heat Transfer Measurements for Condensation on Horizontal, Integral-Fin Tubes, Trans. ASME, Vol. 114, 719–726.

[32] Briggs, A., Song Huang, X. and Rose, J. W., (1995), An Experimental Investigation of Condensation on Integral Fin Tubes: Effect of Fin Thickness, Height and Thermal Conductivity,

[33] Park, K. J. and Jung, D., (2008), Optimum Fin Density of Low Fin Tubes for the Condensers of Building Chillers with HCFC123, J. Energy Conserv. Manage., Vol. 49, 2090–2094.

[34] Sukhatme, S. P., Jagadish, B. S. and Prabhakaran, P., (1990), Film Condensation of R-11 Vapor on Single Horizontal Enhanced Condenser Tubes, Trans. ASME, Vol. 112, 229–234. [35] Briggs, A., Yang, X. X. and Rose, J. W., (1995), An Evaluation of Various Enhanced Tubes for Shell-Side Condensation of Refrigerant, Heat Transfer in Condensation, Proc. Eurotherm.

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122 Heat Exchangers– Advanced Features and Applications

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#### **Heat Transfer of Supercritical Fluid Flows and Compressible Flows** Heat Transfer of Supercritical Fluid Flows and Compressible Flows

Yu Ito Yu Ito

[57] Namasivayam, S., (2006), Condensation on Single Horizontal Integral-Fin Tubes: Effect of

[58] Belghazi, M., Bontemps, A. and Marvillet, C., (2002). Condensation Heat Transfer on Enhanced Surface Tubes: Experimental Results and Predictive Theory, Trans. ASME, Vol. 124,

Vapour Velocity and Fin Geometry, PhD Thesis, University of London.

754–761.

124 Heat Exchangers– Advanced Features and Applications

Additional information is available at the end of the chapter Additional information is available at the end of the chapter

http://dx.doi.org/10.5772/65931

#### Abstract

In this chapter, the heat transfer between supercritical fluid flows and solid walls and that between compressible flows and solid walls is described. First, the physical fundamentals of supercritical fluids and compressible flows are explained. Second, methods for estimating the heat-transfer performance according to the physical fundamentals and conventional experimental results are described. Then, the known correlations for estimating the heat-transfer performance are introduced. Finally, examples of practical heat exchangers using supercritical fluid flows and/or compressible flows are presented.

Keywords: supercritical fluid flow, compressible flow, nusselt number, reynolds number, mach number, pressure coefficient distribution
