Evaluation of exterior building surface roughness degrees by photogrammetric methods

D. Z. Seker; A. Ü Tavil

doi:10.1016/0360-1323(95)00051-8

Evaluation of exterior building surface roughness degrees by photogrammetric methods

D. Z. Seker^*, A. Ü Tavil

^*Corresponding author for this work

Department of Geomatics Engineering

Istanbul Technical University

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

In determining the effect of surface roughness of external finish material on the solar energy gain of opaque building surfaces, the topography of the surface material has to be investigated in detail and the roughness level has to be expressed as a standard parameter. In this study the roughness levels of external finish materials with the same white colour and structure, are evaluated by a close-range photogrammetric method. The roughness parameter (R_a) is calculated according to the data obtained by the photogrammetric application. The solar energy gain of opaque surfaces is determined by the solar absorptance of the material. The solar ahsorptance of the material is evaluated by experimental method and the relationship between the solar absorptance and surface roughness is suggested.

Original language	English
Pages (from-to)	393-398
Number of pages	6
Journal	Building and Environment
Volume	31
Issue number	4
DOIs	https://doi.org/10.1016/0360-1323(95)00051-8
Publication status	Published - Jul 1996

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10.1016/0360-1323(95)00051-8

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abstract = "In determining the effect of surface roughness of external finish material on the solar energy gain of opaque building surfaces, the topography of the surface material has to be investigated in detail and the roughness level has to be expressed as a standard parameter. In this study the roughness levels of external finish materials with the same white colour and structure, are evaluated by a close-range photogrammetric method. The roughness parameter (Ra) is calculated according to the data obtained by the photogrammetric application. The solar energy gain of opaque surfaces is determined by the solar absorptance of the material. The solar ahsorptance of the material is evaluated by experimental method and the relationship between the solar absorptance and surface roughness is suggested.",

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AU - Seker, D. Z.

AU - Tavil, A. Ü

PY - 1996/7

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N2 - In determining the effect of surface roughness of external finish material on the solar energy gain of opaque building surfaces, the topography of the surface material has to be investigated in detail and the roughness level has to be expressed as a standard parameter. In this study the roughness levels of external finish materials with the same white colour and structure, are evaluated by a close-range photogrammetric method. The roughness parameter (Ra) is calculated according to the data obtained by the photogrammetric application. The solar energy gain of opaque surfaces is determined by the solar absorptance of the material. The solar ahsorptance of the material is evaluated by experimental method and the relationship between the solar absorptance and surface roughness is suggested.

AB - In determining the effect of surface roughness of external finish material on the solar energy gain of opaque building surfaces, the topography of the surface material has to be investigated in detail and the roughness level has to be expressed as a standard parameter. In this study the roughness levels of external finish materials with the same white colour and structure, are evaluated by a close-range photogrammetric method. The roughness parameter (Ra) is calculated according to the data obtained by the photogrammetric application. The solar energy gain of opaque surfaces is determined by the solar absorptance of the material. The solar ahsorptance of the material is evaluated by experimental method and the relationship between the solar absorptance and surface roughness is suggested.

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DO - 10.1016/0360-1323(95)00051-8

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VL - 31

SP - 393

EP - 398

JO - Building and Environment

JF - Building and Environment

IS - 4

ER -

Evaluation of exterior building surface roughness degrees by photogrammetric methods

Abstract

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