Development of an experimental method to generate a non-uniform air flow distribution at the inlet of a heat exchanger
Sponsors
The work of Alessandro Pisano on this project was partially supported by the Ministry for Economy and Finance of Spain, under the Training of Researcher program (FPI). Financial support from the Ministry for Economy and Finance of Spain, project numbers: DPI2011-26771-C02-01 is gratefully acknowledged.Realizado en/con
Universidad Politécnica de CartagenaPublication date
2015Publisher
Universidad Politécnica de CartagenaBibliographic Citation
Pisano, Alessandro; Corberán, José Miguel; Martínez Ballester, Santiago. Development of an experimental method to generate a non-uniform air flow distribution at the inlet of a heat exchanger. En: IX Congreso Nacional de Ingeniería Termodinámica: libro de actas. Cartagena: Universidad Politécnica de Cartagena, Servicio de Documentación, 2015. Pp. 1147-1154. ISBN: 978-84-606-8931-7Keywords
Airflow malditributionHeat exchanger
Experimental method
Abstract
As already demonstrated by many authors, the non-uniformity of the air distribution at the inlet of
both condensers and evaporators entails not negligible performance degradation. Its experimental
quantification is mainly complicated by the difficulties connected to the air velocity measurement in a
traditional air-conditioning installation. For this reason, many works are supported by the application
of CFD models or others simulation tools. In order to analyze experimentally the effect of the nonuniform
air distribution on the performance of a condenser, in this work a simple method for
generating a specific air velocity profile at the inlet of a heat exchanger will be presented. It consist in
allocating several filters along the heat exchanger height. Once characterized the filter, identifying the
relation between the length of the filters, the pressure drop and the air velocity, any type of air velocity
profile can be generated. The method presents high flexibility and allows ...
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