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Heating and Cooling Degree-Days Maps of Pakistan
Energies, 2018 The building sector consumes about 40% of the world’s primary energy. Seasonal climatic conditions have a significant effect on the energy consumption in buildings.
Khuram Pervez Amber +2 more
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An Explicit Distribution to Model the Proportion of Heating Degree Day and Cooling Degree Day
Communications in Statistics - Simulation and Computation, 2014With a view to estimating the energy consumption, we derive the explicit distribution of the proportion X/(X + Y) when X and Y follow the new Bivariate Affine-Linear Exponential distribution. An application of this distribution to model the proportion of heating using the heating degree day and the cooling degree day data in the State of Alabama for ...
Muhammad Mohsin +2 more
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Degday: A Program for Calculating Degree-days, and Assumptions Behind the Degree-day Approach
Environmental Entomology, 1986A BASIC computer program (DEGDAY) for calculating degree-days on microcomputers is presented. The program calculates heating degree-days with the rectangle, triangle, and sine wave methods and calculates cooling degree days with the sine wave method. Assumptions and approximations associated with degree-day calculations are noted.
Leon G. Higley +2 more
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The Degree of Day‐to‐day Variation in Food Intake in Diabetic Patients
Diabetic Medicine, 1993A prospective study of food intake using 7 day food diaries was undertaken in 92 diabetic men and women aged 17–81 years. The median individual day‐to‐day coefficients of variation for energy intake were: in insulin treated patients 12.0%, in non‐insulin treated patients 13.7%; for carbohydrate intake 14.5% and 13.8% and for fat 20.7% and 20.8 ...
E J, Close +5 more
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Building Services Engineering Research and Technology, 1981
Temperature records at several sites have been analysed in terms of monthly and annual degree-day values to base temperatures in the range 5 to 20°C. Results for London (Heathrow) are presented in some detail and compared with estimates made with various published procedures. The consistency across Britain of year-to-year variations is examined.
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Temperature records at several sites have been analysed in terms of monthly and annual degree-day values to base temperatures in the range 5 to 20°C. Results for London (Heathrow) are presented in some detail and compared with estimates made with various published procedures. The consistency across Britain of year-to-year variations is examined.
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1998
The development of plants and Poikilothermic (cold-blooded) animals is highly dependent on temperature. It has been said that “the hotter it is the faster they grow.” This is true, up to a point, where higher temperatures retard or even stop development. Temperature-driven models are available for a large number of plants such as corn, cotton, alfalfa,
Linda J. Young, Jerry H. Young
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The development of plants and Poikilothermic (cold-blooded) animals is highly dependent on temperature. It has been said that “the hotter it is the faster they grow.” This is true, up to a point, where higher temperatures retard or even stop development. Temperature-driven models are available for a large number of plants such as corn, cotton, alfalfa,
Linda J. Young, Jerry H. Young
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Environmental Engineering and Management Journal, 2014
In Central European countries, heating represents approximately 75% of the total energy use of a residential building, with average thermal characteristics of the envelope. The expected energy use can be determined using complex simulation programs, but an easier way is to use specific degree day values.
Zoltan Verbai +2 more
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In Central European countries, heating represents approximately 75% of the total energy use of a residential building, with average thermal characteristics of the envelope. The expected energy use can be determined using complex simulation programs, but an easier way is to use specific degree day values.
Zoltan Verbai +2 more
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Characteristics of Heating Degree Days and Cooling Degree Days in Beijing During Last 50 Years
2011 Fourth International Joint Conference on Computational Sciences and Optimization, 2011Degree-day is a quantitative index demonstrated to reflect the demand for energy to heat or cool houses and businesses. In this paper, the 18°C threshold temperature is chosen in Beijing. The homogenized mean daily temperature series during 1960-2009 in Beijing Weather Observatory is collected to calculate HDD and CDD.
Zuofang Zheng, Xiuli Zhang
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Estimating monthly degree-days
Building Services Engineering Research and Technology, 1983A new method is proposed for the estimation of monthly degree-day values from monthly mean temperatures. This can be used to calculate figures for sites which are distant from the 17 sites in the UK for which published data are available, and to modify published figures to non-standard base temperatures.
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Agricultural and Forest Meteorology, 1985
Abstract Degree day accumulations can be used by growers to monitor the development of biological processes and thus can be used in crop and pest management. The adoption and use of degree days by individual growers and agricultural advisors, however, has been limited partly because of computational difficulties involved in the derivation of degree ...
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Abstract Degree day accumulations can be used by growers to monitor the development of biological processes and thus can be used in crop and pest management. The adoption and use of degree days by individual growers and agricultural advisors, however, has been limited partly because of computational difficulties involved in the derivation of degree ...
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