cooling degree-days
1Cooling Degree Days — (CDD) A measure of how warm a location is over a period of time relative to a base temperature, most commonly specified as 65 degrees Fahrenheit. The measure is computed for each day by subtracting the base temperature (65 degrees) from the… …
2Population-weighted Degree Days — Heating or cooling degree days weighted by the population of the area in which the degree days are recorded. To compute national population weighted degree days, the Nation is divided into nine Census regions comprised of from three to eight… …
3Degree Day — A unit for measuring the extent that the outdoor daily average temperature (the mean of the maximum and minimum daily dry bulb temperatures) falls below (in the case of heating, see Heating Degree Day), or falls above (in the case of cooling,… …
4Degree day — A degree day is a measure of heating or cooling. Totalized degree days from an appropriate starting date are used to plan the planting of crops and management of pests and pest control timing. Weekly or monthly degree day figures may also be used …
5degree day — (deg da) a unit used in meteorology and engineering to measure the demand for heating or cooling. In the United States, it s agreed that 65 °F (18.3 °C) is the critical outside temperature; below this tempeature heating is needed and above it… …
6degree day — Term created to assess and acknowledge expected demand for energy. A degree day value is the difference between a day s average temperature and a previously set temperature ( in the U.S., 65 degrees Fahrenheit). Degree days above 65 degrees are… …
7Design Cooling Load — The amount of conditioned air to be supplied by a cooling system; usually the maximum amount to be delivered based on a specified number of cooling degree days or design temperature …
8Heating degree day — United States Heating Degree Day map, 1961 1990 …
9Computer cooling — An OEM AMD heatsink mounted onto a motherboard. Computer cooling is required to remove the waste heat produced by computer components, to keep components within their safe operating temperature limits. Various cooling methods help to improve… …
10Passive solar building design — Elements of passive solar design, shown in a direct gain application …
