Identifications: the relative variation rates (RVRs) of cooling and heating are approximately the same in different cities with the same increase of shape coefficients |
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| Affiliation: | 1. Interdisciplinary Graduate Programme in Bioscience, Faculty of Science, Kasetsart University, Bangkok, Thailand;2. Department of Applied Science, Faculty of Science, Prince of Songkla University, Songkhla, Thailand;3. The Queen Sirikit Department of Sericulture, Ministry of Agriculture and Cooperative, Bangkok, Thailand;4. Department of Physiology, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, Thailand;5. Department of Zoology, Faculty of Science, Kasetsart University, Bangkok, Thailand;6. Department of Applied Radiation and Isotopes, Faculty of Science, Kasetsart University, Bangkok, Thailand;7. Biochemical Research Unit for Feed Utilization Assessment, Faculty of Science, Kasetsart University, Bangkok, Thailand;1. School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China;2. College of Life Science and Technology, Jinan University, Guangzhou 510632, China;3. National Engineering Research Centre of Genetic Medicine, Guangzhou 510632, China |
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| Abstract: | Among 14 background cities, Boulder of America and Shanghai of China which differ in climatic conditions are selected for comparison. Taking the building with traditional envelope when the ventilation rate is 0 as an example, this paper studies the variation laws of hourly, daily and monthly relative variation rates (RVRs) with the same increase of shape coefficient in the two cities. By comparisons, we find that though there exists significant difference in annual heating and cooling hours, days and months between Boulder and Shanghai, the distribution laws of hourly, daily and monthly RVRs are very similar and their variation ranges are also approximately the same in the two cities. This similarity in hourly, daily and monthly distribution determines the inevitable approximate equality of the annual heating and cooling RVRs in different cities and thus the proposition is right in a wide range. |
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