The Performance of Diffuse Ceiling Inlet and other Room Air Distribution Systems

Peter V. Nielsen, Ewa Jakubowska

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

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Abstract

The paper analyses different room air distribution systems, and describes a design chart which can be used for the evaluation of variables as air quality, air velocity and temperature gradient as a function of flow rate and temperature difference in the supply system. The design chart can also be used for analysing other system parameters as e.g. system capacity and noise.

The paper addresses the diffuse ceiling inlet and five other air distribution systems, namely mixing ventilation from a wall-mounted terminal, mixing ventilation from a ceiling-mounted diffuser, mixing ventilation from a ceiling-mounted diffuser with a swirling flow, displacement ventilation from a wall-mounted low velocity diffuser and vertical ventilation from a ceiling-mounted textile inlet. All these systems can be used in the case of cooling of the room.
Original languageEnglish
Title of host publicationCOLD CLIMATE HVAC 2009 : Sisimiut Greenland, 16-19 March 2009
Number of pages7
Publication date2009
Publication statusPublished - 2009
EventCold Climate HVAC - Sisimiut, Greenland
Duration: 16 Mar 200919 Mar 2009

Conference

ConferenceCold Climate HVAC
CountryGreenland
CitySisimiut
Period16/03/200919/03/2009

Fingerprint

Ceilings
Ventilation
Air
Swirling flow
Air quality
Thermal gradients
Textiles
Flow rate
Cooling
Temperature

Bibliographical note

Published on a USB.

Keywords

  • Room air distribution
  • Design chart
  • Diffuse ceiling inlet
  • Mixing ventilation
  • Displacement ventilation

Cite this

Nielsen, P. V., & Jakubowska, E. (2009). The Performance of Diffuse Ceiling Inlet and other Room Air Distribution Systems. In COLD CLIMATE HVAC 2009: Sisimiut Greenland, 16-19 March 2009
Nielsen, Peter V. ; Jakubowska, Ewa. / The Performance of Diffuse Ceiling Inlet and other Room Air Distribution Systems. COLD CLIMATE HVAC 2009: Sisimiut Greenland, 16-19 March 2009. 2009.
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Nielsen, PV & Jakubowska, E 2009, The Performance of Diffuse Ceiling Inlet and other Room Air Distribution Systems. in COLD CLIMATE HVAC 2009: Sisimiut Greenland, 16-19 March 2009. Cold Climate HVAC, Sisimiut, Greenland, 16/03/2009.

The Performance of Diffuse Ceiling Inlet and other Room Air Distribution Systems. / Nielsen, Peter V.; Jakubowska, Ewa.

COLD CLIMATE HVAC 2009: Sisimiut Greenland, 16-19 March 2009. 2009.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

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AU - Jakubowska, Ewa

N1 - Published on a USB.

PY - 2009

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N2 - The paper analyses different room air distribution systems, and describes a design chart which can be used for the evaluation of variables as air quality, air velocity and temperature gradient as a function of flow rate and temperature difference in the supply system. The design chart can also be used for analysing other system parameters as e.g. system capacity and noise.The paper addresses the diffuse ceiling inlet and five other air distribution systems, namely mixing ventilation from a wall-mounted terminal, mixing ventilation from a ceiling-mounted diffuser, mixing ventilation from a ceiling-mounted diffuser with a swirling flow, displacement ventilation from a wall-mounted low velocity diffuser and vertical ventilation from a ceiling-mounted textile inlet. All these systems can be used in the case of cooling of the room.

AB - The paper analyses different room air distribution systems, and describes a design chart which can be used for the evaluation of variables as air quality, air velocity and temperature gradient as a function of flow rate and temperature difference in the supply system. The design chart can also be used for analysing other system parameters as e.g. system capacity and noise.The paper addresses the diffuse ceiling inlet and five other air distribution systems, namely mixing ventilation from a wall-mounted terminal, mixing ventilation from a ceiling-mounted diffuser, mixing ventilation from a ceiling-mounted diffuser with a swirling flow, displacement ventilation from a wall-mounted low velocity diffuser and vertical ventilation from a ceiling-mounted textile inlet. All these systems can be used in the case of cooling of the room.

KW - Room air distribution

KW - Design chart

KW - Diffuse ceiling inlet

KW - Mixing ventilation

KW - Displacement ventilation

M3 - Article in proceeding

BT - COLD CLIMATE HVAC 2009

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Nielsen PV, Jakubowska E. The Performance of Diffuse Ceiling Inlet and other Room Air Distribution Systems. In COLD CLIMATE HVAC 2009: Sisimiut Greenland, 16-19 March 2009. 2009