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Author:
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ISBN:
Category :
Languages : en
Pages :
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Book Description
Passive solar design can be encouraged by a better theoretical understanding of the performance of passive solar buildings and the ability to predict the thermal response of various designs. An analytic model of passive solar building performance was derived. Heat balances were used on the surfaces of materials that absorb sunlight (e.g., the inside surface of a mass wall or concrete floor), along with solutions to the diffusion equation, to derive response functions for surface temperature as a function of solar flux and ambient temperature. These expressions are combined to form building response functions. These explicit building response functions allow one to write relatively simple, analytic expressions for room temperature as a function of time over the course of a design day in terms of ambient temperature, sunlight, and heater output (if any). Parallels between the analytic model and computer codes can be exploited to provide a better intuitive understanding of the programs and to assist in the incorporation of accurate passive solar simulation into these codes.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Passive solar design can be encouraged by a better theoretical understanding of the performance of passive solar buildings and the ability to predict the thermal response of various designs. An analytic model of passive solar building performance was derived. Heat balances were used on the surfaces of materials that absorb sunlight (e.g., the inside surface of a mass wall or concrete floor), along with solutions to the diffusion equation, to derive response functions for surface temperature as a function of solar flux and ambient temperature. These expressions are combined to form building response functions. These explicit building response functions allow one to write relatively simple, analytic expressions for room temperature as a function of time over the course of a design day in terms of ambient temperature, sunlight, and heater output (if any). Parallels between the analytic model and computer codes can be exploited to provide a better intuitive understanding of the programs and to assist in the incorporation of accurate passive solar simulation into these codes.
Author: David B. Goldstein
Publisher:
ISBN:
Category : Solar heating
Languages : en
Pages : 156
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Book Description
Author:
Publisher:
ISBN:
Category : Solar energy
Languages : en
Pages : 168
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Book Description
Author: J. Douglas Balcomb
Publisher: MIT Press
ISBN: 9780262023412
Category : Science
Languages : en
Pages : 558
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Book Description
Describes developments in passive solar technology that will save time, energy, and resources in planning for the buildings of the future.This companion to Passive Cooling and Solar Building Architecture (volumes 8 and 9) describes developments in passive solar technology that will save time, energy, and resources in planning for the buildings of the future. It is filled with tips and useful research for architects and designers and includes three substantial chapters on general modeling. Passive solar heating works. Properly designed and constructed, it is cost-effective, practical, comfortable, and aesthetic. Balcomb's introductory remarks set the tone for the rest of the contributions, which describe the considerable record of achievements in passive solar heating. Balcomb summarizes and evaluates the era between 1976 and 1983 when most of the major developments took place and highlights the design features that have contributed to effective buildings. Three chapters cover modeling passive systems (applicable to both heating and cooling), and six chapters focus on the application of passive solar heating, with emphasis on components, analytical results for specific systems, test modules, subsystem integration into buildings, performance monitoring and results, and design tools.J. Douglas Balcomb is a Principal Engineer with the Solar Energy Research Institute.
Author: Harry Miller
Publisher:
ISBN:
Category : National Passive Solar Conference
Languages : en
Pages : 100
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Author:
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ISBN:
Category :
Languages : en
Pages :
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Book Description
The DOE-2 computer program has been modified to improve modeling of passive-solar buildings by the addition of the custom weighting-factor method. The thermal-load and air-temperature calculation procedure in DOE-2 are described. Assumptions inherent in the use of American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) precalculated and the custom weighting factors are discussed. Calculated results from DOE-2 are compared with measured heat-extraction rates and air temperatures for four buildings. These comparisons indicate that DOE-2 can accurately model direct-gain passive buildings and can treat night-ventilative cooling and water walls in an approximate manner.
Author:
Publisher:
ISBN:
Category : Solar energy
Languages : en
Pages : 528
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Book Description
Author: M. S. Sodha
Publisher: Pergamon
ISBN:
Category : Architecture
Languages : en
Pages : 526
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Book Description
Author:
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 760
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Book Description
Author: Jeanne W. Powell
Publisher:
ISBN:
Category : Architecture and solar radiation
Languages : en
Pages : 152
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Book Description
The report presents an economic model for evaluating passive solar designs in commercial environments. It discusses the literature on this topic and draws upon this literature to develop a general methodological framework. The model incorporates a life-cycle costing approach that focuses on the costs of purchase, installation, maintenance, repairs, replacement, and energy. It includes a detailed analysis of tax laws affecting the use of solar energy in commercial buildings. Possible methods of treating difficult-to-measure benefits and costs, such as effects of the passive solar design on resale value of the building and on lighting costs, rental income from the building, and the use of commercial space, are presented. The model is illustrated in two case examples of prototypical solar designs for low-rise commercial buildings in an urban setting.
