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In this paper, we obtain the general exact solution of a nonlinear fin equation which governs heat transfer in a rectangular fin with linear temperature-dependent thermal conductivity using the partial Noether method. The relationship between the fin efficiency and the thermo-geometric fin parameter is obtained. Additionally, we obtained the relationship among the fin effectiveness, the thermo-geometric...
Various methods for steady-state and transient analysis of temperature distribution and efficiency of continuous-plate fins are presented. For a constant heat transfer coefficient over the fin surface, the plate fin can be divided into imaginary rectangular or hexangular fins. At first approximate methods for determining the steady-state fin efficiency like the method of equivalent circular fin and...
Nieustalony rozkład temperatury w żebrach płytowych osadzonych na rurach owalnych obliczono za pomocą mieszanej metody objętości i elementów skończonych. Najpierw model żebra podzielono na trójkątne elementy, a następnie zostały utworzone objętości skończone wokół węzłów przez połączenie środków ciężkości trójkątów ze środkami boków tych trójkątów. Następnie wyprowadzono równania bilansu ciepła dla...
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