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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 1989.5
- 수록면
- 173 - 181 (9page)
이용수
초록· 키워드
오류제보하기
Until recently there was a lack of reliable performance data for the design and operation of Ondol heating systems.
This paper presents a calculation method on heat flux from Ondol floor surface. Total heat flux from floor consists of radiation and convection component. In order to analyse the characteristics of both radiation and convection heat flux, each surface temperature is measured and several temperatures near each wall are measured vertically and horizontally in a practical Ondol heating space.
Radiation heat flux is calculated and analysed by Gebhart's Absorption Factor Method with the consideration of instantaneous radiant exchanges. Convection heat output is derived from the vertical temperature profiles near floor. The vertical temperature profiles could be expressed by nonlinear regression equation models and convection coefficients could be estimated by the equations.
As a result, radiation, convection and total heat flux are suggested by the expression of difference between floor surface and room air temperature.
This paper presents a calculation method on heat flux from Ondol floor surface. Total heat flux from floor consists of radiation and convection component. In order to analyse the characteristics of both radiation and convection heat flux, each surface temperature is measured and several temperatures near each wall are measured vertically and horizontally in a practical Ondol heating space.
Radiation heat flux is calculated and analysed by Gebhart's Absorption Factor Method with the consideration of instantaneous radiant exchanges. Convection heat output is derived from the vertical temperature profiles near floor. The vertical temperature profiles could be expressed by nonlinear regression equation models and convection coefficients could be estimated by the equations.
As a result, radiation, convection and total heat flux are suggested by the expression of difference between floor surface and room air temperature.
목차
ABSTRACT
1. 머릿말
2. 放熱量에 관한 基本理論
3. 測定槪要
4. 結果分析 및 考察
5. 맺음말
參考文獻
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