Vertical Temperature Distribution in a Room with Displacement Ventilation

Peter V. Nielsen

Vertical Temperature Distribution in a Room with Displacement Ventilation

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Abstract

A displacement ventilation system exploits the use of energy efficiently because it is possible to remove exhaust air from a room with a temperature that is several degrees above the temperature in the occupied zone. This process will allow a higher air inlet temperature at the same load in comparison with mixing ventilation.
It is necessary to have a design method for the temperature distribution used for instance in connection with the tlow element method and the energy calculations. The temperature distribution is also important in connection with thermal comfort in a room. It is necessary to consider the temperature gradient in the occupied zone, as well as the asymmetric radiation from the ceiling, in connection with the design of a displacement ventilation system and the evaluation of thermal comfort.

This paper will introduce five temperature distribution models with different levels of complexity.

Original language	English

Place of Publication	Aalborg
Publisher	Dept. of Building Technology and Structural Engineering
Number of pages	14
Publication status	Published - 1995

Series	Indoor Environmental Technology
Number	48
Volume	R9509
ISSN	0902-7513

Bibliographical note

Presented at IEA Annex 26: Energy-Efficient Ventilation of Large Enclosures, Rome, 1995

PDF for print: 20 pp.

Keywords

Aircondition
Vertical Temperature Distribution
Displacement Ventilation

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title = "Vertical Temperature Distribution in a Room with Displacement Ventilation",

abstract = "A displacement ventilation system exploits the use of energy efficiently because it is possible to remove exhaust air from a room with a temperature that is several degrees above the temperature in the occupied zone. This process will allow a higher air inlet temperature at the same load in comparison with mixing ventilation. It is necessary to have a design method for the temperature distribution used for instance in connection with the tlow element method and the energy calculations. The temperature distribution is also important in connection with thermal comfort in a room. It is necessary to consider the temperature gradient in the occupied zone, as well as the asymmetric radiation from the ceiling, in connection with the design of a displacement ventilation system and the evaluation of thermal comfort. This paper will introduce five temperature distribution models with different levels of complexity.",

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N1 - Presented at IEA Annex 26: Energy-Efficient Ventilation of Large Enclosures, Rome, 1995 PDF for print: 20 pp.

PY - 1995

Y1 - 1995

N2 - A displacement ventilation system exploits the use of energy efficiently because it is possible to remove exhaust air from a room with a temperature that is several degrees above the temperature in the occupied zone. This process will allow a higher air inlet temperature at the same load in comparison with mixing ventilation. It is necessary to have a design method for the temperature distribution used for instance in connection with the tlow element method and the energy calculations. The temperature distribution is also important in connection with thermal comfort in a room. It is necessary to consider the temperature gradient in the occupied zone, as well as the asymmetric radiation from the ceiling, in connection with the design of a displacement ventilation system and the evaluation of thermal comfort. This paper will introduce five temperature distribution models with different levels of complexity.

AB - A displacement ventilation system exploits the use of energy efficiently because it is possible to remove exhaust air from a room with a temperature that is several degrees above the temperature in the occupied zone. This process will allow a higher air inlet temperature at the same load in comparison with mixing ventilation. It is necessary to have a design method for the temperature distribution used for instance in connection with the tlow element method and the energy calculations. The temperature distribution is also important in connection with thermal comfort in a room. It is necessary to consider the temperature gradient in the occupied zone, as well as the asymmetric radiation from the ceiling, in connection with the design of a displacement ventilation system and the evaluation of thermal comfort. This paper will introduce five temperature distribution models with different levels of complexity.

KW - Aircondition

KW - Vertical Temperature Distribution

KW - Displacement Ventilation

KW - Aircondition

KW - Vertical Temperature Distribution

KW - Displacement Ventilation

M3 - Report

T3 - Indoor Environmental Technology

BT - Vertical Temperature Distribution in a Room with Displacement Ventilation

PB - Dept. of Building Technology and Structural Engineering

CY - Aalborg

ER -

Vertical Temperature Distribution in a Room with Displacement Ventilation

Abstract

Bibliographical note

Keywords

Access to Document

AUB Link

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Cite this