Experimental Study on the Characteristics of Semi-Cylindrical Diffuser Arranged at Low Sidewall in Large Space Buildings

Author

Gao, Xuelei ; Wang, Fei ; Huang, Chen ; Wang, Xin ; Liu, Wen

Author_Institution

Sch. of Environ. & Archit., Univ. of Shanghai for Sci. & Technol., Shanghai, China

fYear

2010

fDate

28-31 March 2010

Firstpage

1

Lastpage

4

Abstract

This paper presents an experimental investigation of temperature and velocity distribution around a semi-cylindrical diffuser in a large space building. The airflow and temperature distribution characteristics and the relationship between temperature field and velocity field around the diffuser under different supply air volume were experimentally investigated; The temperature boundary layer and velocity boundary layer in cross section under different supply air volume were drawn. It was found the profiles of airflow´s track line and lowest temperature line of the symmetric line and center line. A preliminary analysis of air flow collision and its effect on room thermal environment was given in this paper.

Keywords

aerodynamics; boundary layers; temperature distribution; ventilation; air flow collision; semicylindrical diffuser; sidewall; space buildings; temperature boundary layer; temperature distribution; velocity boundary layer; velocity distribution; Aerospace industry; Architecture; Buildings; Design engineering; Fluid flow measurement; Land surface temperature; Space technology; Temperature distribution; Test equipment; Ventilation;

fLanguage

English

Publisher

ieee

Conference_Titel

Power and Energy Engineering Conference (APPEEC), 2010 Asia-Pacific

Conference_Location

Chengdu

Print_ISBN

978-1-4244-4812-8

Electronic_ISBN

978-1-4244-4813-5

Type

conf

DOI

10.1109/APPEEC.2010.5449210

Filename

5449210