Solar Heating, Radiative Cooling and Thermal Movement PDF Download
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Author: William C. Cullen
Publisher:
ISBN:
Category : Radiation
Languages : en
Pages : 38
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Book Description
Twenty different built-up roof construction specimens, covered with five surfacing materials, were subjected to natural solar heating and nighttime cooling.The temperatures and temperature changes observed during winter and summer exposures are discussed.The data indicate that the temperature attained in a roof membrane is influenced by the absorptance and emissivity of the surface as well as the thermal and physical properties of the substrate to which the roofing is applied. The data show that roofings placed over insulation may be heated to a temperature of 80F. above ambient due to solar heating and may be subcooled as much as 20F. below the ambient due to radiative cooling.The thermal movements which occur in the components of a roof system due to temperature change are discussed in relation to built-up roof performance and failures.(Author).
Author: William C. Cullen
Publisher:
ISBN:
Category : Radiation
Languages : en
Pages : 38
Get Book Here
Book Description
Twenty different built-up roof construction specimens, covered with five surfacing materials, were subjected to natural solar heating and nighttime cooling.The temperatures and temperature changes observed during winter and summer exposures are discussed.The data indicate that the temperature attained in a roof membrane is influenced by the absorptance and emissivity of the surface as well as the thermal and physical properties of the substrate to which the roofing is applied. The data show that roofings placed over insulation may be heated to a temperature of 80F. above ambient due to solar heating and may be subcooled as much as 20F. below the ambient due to radiative cooling.The thermal movements which occur in the components of a roof system due to temperature change are discussed in relation to built-up roof performance and failures.(Author).
Author: William C. Cullen
Publisher:
ISBN:
Category : Radiation
Languages : en
Pages : 40
Get Book Here
Book Description
Twenty different built-up roof construction specimens, covered with five surfacing materials, were subjected to natural solar heating and nighttime cooling.The temperatures and temperature changes observed during winter and summer exposures are discussed.The data indicate that the temperature attained in a roof membrane is influenced by the absorptance and emissivity of the surface as well as the thermal and physical properties of the substrate to which the roofing is applied. The data show that roofings placed over insulation may be heated to a temperature of 80F. above ambient due to solar heating and may be subcooled as much as 20F. below the ambient due to radiative cooling.The thermal movements which occur in the components of a roof system due to temperature change are discussed in relation to built-up roof performance and failures.(Author).
Author: William C Cullen
Publisher: Hassell Street Press
ISBN: 9781014386700
Category :
Languages : en
Pages : 42
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Book Description
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author:
Publisher:
ISBN:
Category : Roofing
Languages : en
Pages : 1
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Book Description
Author:
Publisher:
ISBN:
Category : Roofing
Languages : en
Pages : 1
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Book Description
Author: John I. Yellott
Publisher:
ISBN:
Category : Heating
Languages : en
Pages : 34
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Book Description
Author: Colorado State University. Solar Energy Applications Laboratory
Publisher:
ISBN:
Category : Solar collectors
Languages : en
Pages : 716
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Book Description
Author: Jan F. Kreider
Publisher: CRC Press
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 508
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Book Description
Author:
Publisher: UN-HABITAT
ISBN: 9211311055
Category : Technology & Engineering
Languages : en
Pages : 210
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Book Description
Author: D. Asimakopoulos
Publisher: Routledge
ISBN: 113425489X
Category : Architecture
Languages : en
Pages : 494
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Book Description
Energy use in buildings in the EU represents about 40% of the total annual energy consumption. With greater awareness of the need to reduce energy consumption comes a growth of interest in passive cooling, particularly as an alternative to air-conditioning. This book describes the fundamentals of passive cooling together with the principles and formulae necessary for its successful implementation. The material is comprised largely of information and results compiled under the SAVE European Research Programme.
