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Experimental Investigation of Heat Transfer Rates and Pressure Drops through Compact Heat Exchangers

Lisa Henriksson (Institutionen för tillämpad mekanik, Fordonsteknik och autonoma system) ; Peter Gullberg ; Dahl Erik ; Lennart Löfdahl (Institutionen för tillämpad mekanik, Fordonsteknik och autonoma system)
JSAE Annual Congress on 5, 22 ,2014. Paper 220145253 (2014)
[Konferensbidrag, refereegranskat]

This paper presents pressure drops and heat transfer rates for compact heat exchangers, where the heat exchangers are angled 90°, 60°, 30° and 10° relative to the incoming airflow. The investigation is based on two heat exchangers with different thicknesses. The experiments were performed for five airflow rates and five coolant flow rates, where the inlet temperature of the coolant was defined to two temperatures; ambient temperature and 90°C. The investigation showed that the 30° angled heat exchanger resulted in the lowest pressure drop and at the same time achieved the highest heat transfer rate, for a specific mass airflow rate.

Nyckelord: heat exchanger, angle, heat transfer, pressure drop



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Denna post skapades 2015-04-16.
CPL Pubid: 215265

 

Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Fordonsteknik och autonoma system (2010-2017)

Ämnesområden

Energi
Transport
Strömningsmekanik

Chalmers infrastruktur