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Experimental and Theoretical Investigation of Heat Transfer and Pressure Drop in a Plate-Type Evaporator

Sven Wellsandt (Institutionen för värmeteknik och maskinlära) ; Lennart Vamling (Institutionen för värmeteknik och maskinlära)
Proc. 1st Int. Conf. On Heat Transfer, Fluid Mechanics, and Thermodynamics 8-10 April 2002, Kruger Park, South Africa. (1404-7098). (2002)
[Konferensbidrag, refereegranskat]

The purpose of the work reported here was to determine heat transfer and pressure drop in a plate-type evaporator both experimentally and theoretically. An experimental fa-cility was built to provide the means for detailed measure-ments at different conditions. Subsequently, a calculation method was developed to simultaneously calculate heat transfer and pressure drop in a variable number of steps along the evaporator. Results from measurements and calcu-lations are compared and discussed. In the investigated range the calculation method overestimates heat transfer by between 1-8% and underestimates pressure drop by between 7% and, at very high outlet vapour fractions, 30%.



Denna post skapades 2007-06-29. Senast ändrad 2015-02-11.
CPL Pubid: 43392

 

Institutioner (Chalmers)

Institutionen för värmeteknik och maskinlära (1949-2002)

Ämnesområden

Kemiteknik

Chalmers infrastruktur