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Analysis of fluid dynamics and heat transfer in pillow-plate heat exchangers / von Dipl.-Ing. Mark Piper ; Referent: Prof. Dr.-Ing. habil. Eugeny Kenig, Korreferentin: Prof. Dr. Sc. Tatiana Gambaryan-Roisman. Paderborn, 2018
Inhalt
Table of Contents
List of Figures
List of Tables
Symbols
Introduction
Motivation and structure
State of the art
Heat exchanger construction
Pillow-plate heat exchangers (PPHE)
Conclusions and objectives
Theoretical background
Governing equations of fluid mechanics
Mass conservation
Momentum conservation
Energy conservation
Heat transfer
Turbulence
Reynolds Averaged Navier-Stokes equations (RANS)
Realizable TEXT model
Near-wall treatment
Elliptic blending TEXT model
Computational fluid dynamics (CFD)
Determination of PPHE geometrical design parameters
Definition of the geometrical design parameters
Geometry generation by forming simulations
Method validation and manufacturing limits
Geometrical design parameters
Conclusions
Fluid dynamics and heat transfer in pillow plates
Experimental study
Flow visualization in a transparent pillow-plate channel
Pressure loss and heat transfer measurements
CFD study
CFD simulation
Process parameters definitions
Method validation
Results and discussion
Conclusions
Fluid dynamics and heat transfer in outer pillow-plate channels
CFD simulation
Experimental set-up
Method validation
Results and discussion
Conclusions
Design methods for PPHE
Design methods for the inner channels of PPHE
Design equation for pressure loss
Design methods for heat transfer
Adjustment of correlation parameters and method validation
Design methods for the outer channels of PPHE
Conclusions
Concluding remarks
References
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