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4730 – Numerical Study of the Similarity Law for the Cross-Flow Fan of a Split-Type Air Conditioner

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Conference Proceeding by ASHRAE, 2004

Category:

Description

Cross-flow fans (CFF) have been used in many industrial applications. The split-type air conditioner is one of them. Up to date, no complete similarity laws of CFFs were available for designing split-type air conditioners. This paper adopted the CFD method to simulate the internal flow fields of a split-type air conditioner. The effect of the rotational speed on the similarity law for CFF inside the air conditioner was investigated, and the factors influencing the movement and the strength of eccentric vortex were addressed. From the numerical results, a linear relation of similarity law between the total pressure of the center of eccentric vortex and the rotational speed of CFF was concluded. Moreover, the impact of the existence of evaporator and air-return grille on the newly derived similarity law was also examined.

Units: SI

Citation: ASHRAE Transactions, vol. 110, pt. 2

Product Details

Published:
2004
Number of Pages:
11
File Size:
1 file , 3.2 MB
Product Code(s):
D-23231