Air flow near an unflanged rectangular exhaust opening

Ilpo Kulmala; Pentti Saarenrinne

doi:10.1016/0378-7788(96)00971-1

Air flow near an unflanged rectangular exhaust opening

Ilpo Kulmala, Pentti Saarenrinne

Not published at VTT

Tampere University of Technology (TUT)

Research output: Contribution to journal › Article › Scientific › peer-review

12 Citations (Scopus)

Abstract

Turbulent air flow fields for an unflanged rectangular opening were calculated numerically using the standard k-ε turbulence model. The accuracy of the calculations was verified by experimental laser Doppler anemometer velocity measurements and by comparison with previous empirical centre-line velocity equations. The results show that the air flow into an unobstructed exhaust hood can be predicted quite accurately provided that the calculation grid and the calculation domain are properly chosen.

Original language	English
Pages (from-to)	133-136
Journal	Energy and Buildings
Volume	24
Issue number	2
DOIs	https://doi.org/10.1016/0378-7788(96)00971-1
Publication status	Published - 1996
MoE publication type	A1 Journal article-refereed

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10.1016/0378-7788(96)00971-1

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title = "Air flow near an unflanged rectangular exhaust opening",

abstract = "Turbulent air flow fields for an unflanged rectangular opening were calculated numerically using the standard k-ε turbulence model. The accuracy of the calculations was verified by experimental laser Doppler anemometer velocity measurements and by comparison with previous empirical centre-line velocity equations. The results show that the air flow into an unobstructed exhaust hood can be predicted quite accurately provided that the calculation grid and the calculation domain are properly chosen.",

author = "Ilpo Kulmala and Pentti Saarenrinne",

note = "10.1016/0378-7788(96)00971-1",

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AU - Kulmala, Ilpo

AU - Saarenrinne, Pentti

N1 - 10.1016/0378-7788(96)00971-1

PY - 1996

Y1 - 1996

N2 - Turbulent air flow fields for an unflanged rectangular opening were calculated numerically using the standard k-ε turbulence model. The accuracy of the calculations was verified by experimental laser Doppler anemometer velocity measurements and by comparison with previous empirical centre-line velocity equations. The results show that the air flow into an unobstructed exhaust hood can be predicted quite accurately provided that the calculation grid and the calculation domain are properly chosen.

AB - Turbulent air flow fields for an unflanged rectangular opening were calculated numerically using the standard k-ε turbulence model. The accuracy of the calculations was verified by experimental laser Doppler anemometer velocity measurements and by comparison with previous empirical centre-line velocity equations. The results show that the air flow into an unobstructed exhaust hood can be predicted quite accurately provided that the calculation grid and the calculation domain are properly chosen.

U2 - 10.1016/0378-7788(96)00971-1

DO - 10.1016/0378-7788(96)00971-1

M3 - Article

SN - 0378-7788

VL - 24

SP - 133

EP - 136

JO - Energy and Buildings

JF - Energy and Buildings

IS - 2

ER -

Air flow near an unflanged rectangular exhaust opening

Abstract

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