Potential Use of Radiant Walls to Transfer Energy Between two Building Zones

Jerome Le Dreau, Per Heiselberg

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

Abstract

Due to a reduced energy demand in low energy buildings, low temperature heating and high temperature cooling can be used to control thermal comfort. Nevertheless, highly varying heat loads due to solar radiation can create sometimes an imbalanced energy demand inside the building. Instead of being considered as a disturbance, this asymmetry can be used as a heat source for another zone of the building. By means of computer simulations, the possibility of shifting the energy demand between two office rooms with different thermal loads has been studied. Due to the small temperature difference between the two zones, capillary tubes embedded in the surface of walls are used to exchange heat from a south-facing room to a north-facing room. In addition to having a better indoor climate, the total heating and cooling consumption decreases when running the system. A comparison has also been performed with a system exchanging room air directly.
Original languageEnglish
Title of host publicationProceedings of ISHVAC 2011
EditorsZhang Xu, Gao Naiping, Xiang Zhou, Li Zhengrong
Number of pages7
Volume1
PublisherTsinghua University
Publication date2011
Pages120-126
ISBN (Electronic)978-962-85138-0-2
Publication statusPublished - 2011
EventInternational Symposium on Heating, Ventilation and Air Conditioning - Shanghai, China
Duration: 6 Nov 20119 Nov 2011
Conference number: 7

Conference

ConferenceInternational Symposium on Heating, Ventilation and Air Conditioning
Number7
CountryChina
CityShanghai
Period06/11/201109/11/2011

Fingerprint

Energy transfer
Thermal load
Cooling
Heating
Capillary tubes
Thermal comfort
Solar radiation
Temperature
Computer simulation
Air
Hot Temperature

Keywords

  • Capillary Pipes
  • Interzonal Heat Transfer
  • Radiant Cooling
  • Solar Radiation
  • Air Exchange

Cite this

Le Dreau, J., & Heiselberg, P. (2011). Potential Use of Radiant Walls to Transfer Energy Between two Building Zones. In Z. Xu, G. Naiping, X. Zhou, & L. Zhengrong (Eds.), Proceedings of ISHVAC 2011 (Vol. 1, pp. 120-126). Tsinghua University.
Le Dreau, Jerome ; Heiselberg, Per. / Potential Use of Radiant Walls to Transfer Energy Between two Building Zones. Proceedings of ISHVAC 2011. editor / Zhang Xu ; Gao Naiping ; Xiang Zhou ; Li Zhengrong. Vol. 1 Tsinghua University, 2011. pp. 120-126
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title = "Potential Use of Radiant Walls to Transfer Energy Between two Building Zones",
abstract = "Due to a reduced energy demand in low energy buildings, low temperature heating and high temperature cooling can be used to control thermal comfort. Nevertheless, highly varying heat loads due to solar radiation can create sometimes an imbalanced energy demand inside the building. Instead of being considered as a disturbance, this asymmetry can be used as a heat source for another zone of the building. By means of computer simulations, the possibility of shifting the energy demand between two office rooms with different thermal loads has been studied. Due to the small temperature difference between the two zones, capillary tubes embedded in the surface of walls are used to exchange heat from a south-facing room to a north-facing room. In addition to having a better indoor climate, the total heating and cooling consumption decreases when running the system. A comparison has also been performed with a system exchanging room air directly.",
keywords = "Capillary Pipes, Interzonal Heat Transfer, Radiant Cooling , Solar Radiation, Air Exchange, Capillary Pipes, Interzonal Heat Transfer, Radiant Cooling , Solar Radiation, Air Exchange",
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Le Dreau, J & Heiselberg, P 2011, Potential Use of Radiant Walls to Transfer Energy Between two Building Zones. in Z Xu, G Naiping, X Zhou & L Zhengrong (eds), Proceedings of ISHVAC 2011. vol. 1, Tsinghua University, pp. 120-126, International Symposium on Heating, Ventilation and Air Conditioning, Shanghai, China, 06/11/2011.

Potential Use of Radiant Walls to Transfer Energy Between two Building Zones. / Le Dreau, Jerome; Heiselberg, Per.

Proceedings of ISHVAC 2011. ed. / Zhang Xu; Gao Naiping; Xiang Zhou; Li Zhengrong. Vol. 1 Tsinghua University, 2011. p. 120-126.

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

TY - GEN

T1 - Potential Use of Radiant Walls to Transfer Energy Between two Building Zones

AU - Le Dreau, Jerome

AU - Heiselberg, Per

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N2 - Due to a reduced energy demand in low energy buildings, low temperature heating and high temperature cooling can be used to control thermal comfort. Nevertheless, highly varying heat loads due to solar radiation can create sometimes an imbalanced energy demand inside the building. Instead of being considered as a disturbance, this asymmetry can be used as a heat source for another zone of the building. By means of computer simulations, the possibility of shifting the energy demand between two office rooms with different thermal loads has been studied. Due to the small temperature difference between the two zones, capillary tubes embedded in the surface of walls are used to exchange heat from a south-facing room to a north-facing room. In addition to having a better indoor climate, the total heating and cooling consumption decreases when running the system. A comparison has also been performed with a system exchanging room air directly.

AB - Due to a reduced energy demand in low energy buildings, low temperature heating and high temperature cooling can be used to control thermal comfort. Nevertheless, highly varying heat loads due to solar radiation can create sometimes an imbalanced energy demand inside the building. Instead of being considered as a disturbance, this asymmetry can be used as a heat source for another zone of the building. By means of computer simulations, the possibility of shifting the energy demand between two office rooms with different thermal loads has been studied. Due to the small temperature difference between the two zones, capillary tubes embedded in the surface of walls are used to exchange heat from a south-facing room to a north-facing room. In addition to having a better indoor climate, the total heating and cooling consumption decreases when running the system. A comparison has also been performed with a system exchanging room air directly.

KW - Capillary Pipes

KW - Interzonal Heat Transfer

KW - Radiant Cooling

KW - Solar Radiation

KW - Air Exchange

KW - Capillary Pipes

KW - Interzonal Heat Transfer

KW - Radiant Cooling

KW - Solar Radiation

KW - Air Exchange

M3 - Article in proceeding

VL - 1

SP - 120

EP - 126

BT - Proceedings of ISHVAC 2011

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ER -

Le Dreau J, Heiselberg P. Potential Use of Radiant Walls to Transfer Energy Between two Building Zones. In Xu Z, Naiping G, Zhou X, Zhengrong L, editors, Proceedings of ISHVAC 2011. Vol. 1. Tsinghua University. 2011. p. 120-126