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Evaluation of temperature oscillation experiment for the determination of heat transfer coefficient and dispersive Peclet number

Roetzel W., Na Ranong C.

Archives of Thermodynamics

2018

Vol. 39, no 1

91--110

An evaluation method is developed for temperature oscillation experiments in heat exchangers. The unity Mach number dispersion model is applied. For the consideration of lateral wall heat conduction an effective wall thickness is introduced together with a wall heat transfer coefficient. The evaluation method may also be applied to single blow experiments with pulse signals. A sensitivity analysis describes and discusses the accuracy of different evaluation procedures.