Results 251 to 260 of about 6,229,787 (282)

Sol-air heating and cooling degree-days

Solar Energy, 1984
Abstract A set of relationships is developed which allow the estimation of sol-air heating and cooling degree-days at any base temperature. The method makes use of existing relationships for hourly utilizability and degree-days, and the only input required is the monthly-average solar radiation and ambient temperature.
D.G. Erbs, S.A. Klein, W.A. Beckman
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Variable Base Heating Degree-Day Data

Transactions of the ASAE, 1984
ABSTRACT HEATING degree-day (HDD) data are often used to estimate annual fuel energy requirements for heating buildings. Commonly, a base temperature of 18.3°C (65°F) is used for calculating HDD. This fixed-base data is generally not appropriate for structures housing livestock since the balance or base temperature of the structure can vary ...
null David P. Shelton, null James A. DeShazer   +1 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, 2011
Degree-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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Heating Degree Day Data Applied to Residential Heating Energy Consumption

Journal of Applied Meteorology, 1980
Abstract Site-specific total electric energy and heating oil consumption for individual residences show a very high correlation with National Weather Service airport temperature data when transformed to heating degree days. Correlations of regional total residential electrical consumption with airport heating degree days for about 40 000 dwelling units
Robert G. Quayle, Henry F. Diaz
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Weather data and heating-degree days for Saudi Arabia

Energy, 1996
We present monthly-average maximum, minimum and mean temperatures and the medians of extreme temperatures for 24 weather stations in Saudi Arabia. Heating-degree days are also given for these locations.
M.A.I. El-Shaarawi, N. Al-Masri
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Statistical formula to estimate heating or cooling degree-days

Agricultural Meteorology, 1979
Abstract An expression to estimate heating or cooling degree-days accumulated on the average above or below a given temperature and for a given period of time is developed according to a statistical criterion. If the mean daily temperatures for a given month are assurned to be normally distributed the derived formula is only a function of the ...
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Analytic calculation of degree-days for the regulated heating season

Energy and Buildings, 1998
This paper describes a method for the degree-days calculation by means of the proposed cumulative air temperature duration function for the heating season by additionally setting the temperature which determines the limits of the heating season in this function.
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Degree : day of heating on Croatian Adriatic

Jadranska meteorologija, 2002
Analizirani su stupanj-dani za područje hrvatskog dijela Jadrana. Takve analize mogu pomoći optimalnom planiranju naselja na tom području.
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Variability of Population-Weighted Seasonal Heating Degree Days

Journal of Climate and Applied Meteorology, 1983
Abstract Regional and national heating fuel demand is related to both weather and population density. This study analyzes the variability of population-weighted, seasonal heating degree days for the coterminous 48 states. A risk assessment of unusual weather-related beating energy demand, based on a Gaussian distribution model, is provided. Nationally,
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Approximation of the price dynamics of heating degree day and cooling degree day temperature futures

The Journal of Energy Markets, 2015
Fred Espen Benth, Sara Ana Solanilla Blanco   +1 more
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