Parameter estimation for ventilated photovoltaic facades

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

In this paper, the estimation of thermal parameters that describe the performance of ventilated photovoltaic (PV) façades integrated into buildings is investigated. In the most simpli” ed representation of the thermal characteristics of the building, the key factors are the coef” cients of solar heat gain and total heat loss. For an integrated building with a ventilated PV façade, a more accurate representation involves the interactions between the interior space, the ventilated space of the façade construction, the exterior PV elements, and the outside environmental conditions. The heat loss from the interior consists of both losses to ambient and to the ventilation air via the inner glazing or panelling. A direct numerical approach has been developed to identify the parameters that describe these heat transfer processes. The method allows the heat transfer coef” cients to be obtained directly from data measured on an operational ventilated PV façade. The results are compared with values taken from conventional practice.
Original languageEnglish
Pages (from-to)81-96
Number of pages16
JournalBuilding Services Engineering Research and Technology
Volume232
Issue number2
DOIs
Publication statusPublished - 2002

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Facades
Parameter estimation
Heat losses
Heat transfer
Ventilation
Enthalpy
Air
Hot Temperature

Keywords

  • photovoltaic facades
  • parameter estimation

Cite this

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title = "Parameter estimation for ventilated photovoltaic facades",
abstract = "In this paper, the estimation of thermal parameters that describe the performance of ventilated photovoltaic (PV) fa{\cc}ades integrated into buildings is investigated. In the most simpli” ed representation of the thermal characteristics of the building, the key factors are the coef” cients of solar heat gain and total heat loss. For an integrated building with a ventilated PV fa{\cc}ade, a more accurate representation involves the interactions between the interior space, the ventilated space of the fa{\cc}ade construction, the exterior PV elements, and the outside environmental conditions. The heat loss from the interior consists of both losses to ambient and to the ventilation air via the inner glazing or panelling. A direct numerical approach has been developed to identify the parameters that describe these heat transfer processes. The method allows the heat transfer coef” cients to be obtained directly from data measured on an operational ventilated PV fa{\cc}ade. The results are compared with values taken from conventional practice.",
keywords = "photovoltaic facades , parameter estimation",
author = "D.G. Infield",
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Parameter estimation for ventilated photovoltaic facades. / Infield, D.G.

In: Building Services Engineering Research and Technology, Vol. 232, No. 2, 2002, p. 81-96.

Research output: Contribution to journalArticle

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AU - Infield, D.G.

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AB - In this paper, the estimation of thermal parameters that describe the performance of ventilated photovoltaic (PV) façades integrated into buildings is investigated. In the most simpli” ed representation of the thermal characteristics of the building, the key factors are the coef” cients of solar heat gain and total heat loss. For an integrated building with a ventilated PV façade, a more accurate representation involves the interactions between the interior space, the ventilated space of the façade construction, the exterior PV elements, and the outside environmental conditions. The heat loss from the interior consists of both losses to ambient and to the ventilation air via the inner glazing or panelling. A direct numerical approach has been developed to identify the parameters that describe these heat transfer processes. The method allows the heat transfer coef” cients to be obtained directly from data measured on an operational ventilated PV façade. The results are compared with values taken from conventional practice.

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