Journal ArticleDOI
A Parametric Analysis of the Performance of Internally Finned Tubes for Heat Exchanger Application
Ralph L. Webb,M. J. Scott +1 more
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TLDR
In this paper, a parametric analysis of the performance of internally finned tubes in turbulent forced convection for application to heat exchangers is presented, where the performance is compared with that of an exchanger having internally smooth tubes.Abstract:
This paper presents a parametric analysis of the performance of internally finned tubes in turbulent forced convection for application to heat exchangers. The analysis compares the performance of an internally finned tube exchanger with that of an exchanger having internally smooth tubes. The calculations are performed for three important design cases.read more
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Journal ArticleDOI
Performance evaluation criteria for use of enhanced heat transfer surfaces in heat exchanger design
TL;DR: In this paper, a broad range of Performance Evaluation Criteria (PEC) applicable to single-phase flow in tubes is presented and detailed procedures are outlined to calculate the performance improvement and to select the optimal surface geometry.
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Pressure drop, heat transfer and performance of single-phase turbulent flow in spirally corrugated tubes
TL;DR: In this article, the authors present the results of an experimental study that was carried out to determine turbulent friction and heat transfer characteristics of four spirally corrugated tubes, which have various geometrical parameters, with water and oil as the working fluids.
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Single-phase heat transfer in micro-fin tubes
TL;DR: In this article, heat transfer and friction characteristics for single-phase flow in single-grooved and cross-grained micro-fin tubes were analyzed for forced convection condensation and evaporation.
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Entropy and entransy in convective heat transfer optimization: A review and perspective
TL;DR: The entransy dissipation extremum principle and the variational method can be combined to find the optimal flow and temperature fields with better heat transfer results than determined using the entropy generation minimization principle as discussed by the authors.
Journal ArticleDOI
Experimental study on the pressure drop and heat transfer characteristics of tubes with internal wave-like longitudinal fins
TL;DR: In this paper, the heat transfer and pressure drop characteristics in the entrance and fully developed regions of tubes with internal wave-like longitudinal fins were investigated. But the results were limited to two cases: one with the inner tube blocked (no air flowing through it) and the other with the outer tube unblocked.