Algorithms for the calculation of the view factors between persons and rectangular surfaces in parallelepiped environments

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Abstract

The thermal comfort conditions for people in moderate thermal environments are subjected to spatial changes, depending on the radiative exchanges of the human body with the surrounding surfaces. Radiative thermal exchanges are notably accounted for by means of the “view factors” between a person in a given posture and the surface of the enclosure. These important parameters can be evaluated by means of a large set of graphs by Fanger, for rectangular surfaces. But the handling of graphs could lead to reading errors. In this paper a simple algorithm is presented, which is able to compute the required view factors. A validation, by means of a comparison against experimental data, is also reported.
Lingua originaleEnglish
pagine (da-a)51-60
Numero di pagine10
RivistaEnergy and Buildings
Volume19
Stato di pubblicazionePublished - 1992

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Building and Construction

Cita questo

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title = "Algorithms for the calculation of the view factors between persons and rectangular surfaces in parallelepiped environments",
abstract = "The thermal comfort conditions for people in moderate thermal environments are subjected to spatial changes, depending on the radiative exchanges of the human body with the surrounding surfaces. Radiative thermal exchanges are notably accounted for by means of the “view factors” between a person in a given posture and the surface of the enclosure. These important parameters can be evaluated by means of a large set of graphs by Fanger, for rectangular surfaces. But the handling of graphs could lead to reading errors. In this paper a simple algorithm is presented, which is able to compute the required view factors. A validation, by means of a comparison against experimental data, is also reported.",
author = "Carlo Giaconia and Gianfranco Rizzo",
year = "1992",
language = "English",
volume = "19",
pages = "51--60",
journal = "Energy and Buildings",
issn = "0378-7788",
publisher = "Elsevier BV",

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TY - JOUR

T1 - Algorithms for the calculation of the view factors between persons and rectangular surfaces in parallelepiped environments

AU - Giaconia, Carlo

AU - Rizzo, Gianfranco

PY - 1992

Y1 - 1992

N2 - The thermal comfort conditions for people in moderate thermal environments are subjected to spatial changes, depending on the radiative exchanges of the human body with the surrounding surfaces. Radiative thermal exchanges are notably accounted for by means of the “view factors” between a person in a given posture and the surface of the enclosure. These important parameters can be evaluated by means of a large set of graphs by Fanger, for rectangular surfaces. But the handling of graphs could lead to reading errors. In this paper a simple algorithm is presented, which is able to compute the required view factors. A validation, by means of a comparison against experimental data, is also reported.

AB - The thermal comfort conditions for people in moderate thermal environments are subjected to spatial changes, depending on the radiative exchanges of the human body with the surrounding surfaces. Radiative thermal exchanges are notably accounted for by means of the “view factors” between a person in a given posture and the surface of the enclosure. These important parameters can be evaluated by means of a large set of graphs by Fanger, for rectangular surfaces. But the handling of graphs could lead to reading errors. In this paper a simple algorithm is presented, which is able to compute the required view factors. A validation, by means of a comparison against experimental data, is also reported.

UR - http://hdl.handle.net/10447/47556

M3 - Article

VL - 19

SP - 51

EP - 60

JO - Energy and Buildings

JF - Energy and Buildings

SN - 0378-7788

ER -