MyJournals Home  

RSS FeedsEnergies, Vol. 11, Pages 3121: Numerical Study of Flow Maldistribution in Multi-Plate Heat Exchangers Based on Robust 2D Model (Energies)


12 november 2018 10:00:03

Energies, Vol. 11, Pages 3121: Numerical Study of Flow Maldistribution in Multi-Plate Heat Exchangers Based on Robust 2D Model (Energies)

Plate heat exchangers (PHE) are characterized by high heat transfer efficiency and compactness. An exploitation problem of the PHE is related to flow maldistribution, which can make part of the PHE idle, resulting in overheating and damage. Making geometrical modifications to the PHE can help reduce flow maldistribution. Modifications should be kept to a minimum, so as not to complicate the production process. There is a large number of possible geometrical modifications, which simply considers additional obstacles or stream dividers. To test all of them would be impractical and would also take a prohibitively long amount of time to obtain experimental measurements. A typical PHE is characterized by a complex system of channels. Making numerical calculations of its 3D model can be prohibitively time and resource-consuming. The present work introduces a physically consistent methodology of the transformation of a real 3D geometry to its 2D representation. Its main novelty is to assure the same pressure drop balance remains between the 3D and 2D geometries. This is achieved by a preservation of the same cumulative pressure losses in both geometries. The proposed innovative approach levels the pressure balance difference by adding properly designed local geometrical modifications. The developed methodology allowed a wide range of parameter space and various geometrical modifications to be investigated, and revealed geometrical optimizations leading to the improved performance of the PHE. To minimize the influence of other factors, an incompressible and single-phase flow was studied. Digg Facebook Google StumbleUpon Twitter
76 viewsCategory: Biophysics, Biotechnology, Physics
Energies, Vol. 11, Pages 3052: Integrated Energy System Configuration Optimization for Multi-Zone Heat-Supply Network Interaction (Energies)
Energies, Vol. 11, Pages 3120: Pulse Current of Multi-Needle Negative Corona Discharge and Its Electromagnetic Radiation Characteristics (Energies)
blog comments powered by Disqus
The latest issues of all your favorite science journals on one page


Register | Retrieve



Use these buttons to bookmark us: Digg Facebook Google StumbleUpon Twitter

Valid HTML 4.01 Transitional
Copyright © 2008 - 2020 Indigonet Services B.V.. Contact: Tim Hulsen. Read here our privacy notice.
Other websites of Indigonet Services B.V.: Nieuws Vacatures News Tweets Travel Photos Nachrichten Indigonet Finances Leer Mandarijn