- Industry: Government
- Number of terms: 22108
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The amount of heat energy needed to raise the temperature of a given mass of a substance by one degree Celsius. The heat required to raise the temperature of 1 kg of water by 1 degree Celsius is 4186 Joules.
Industry:Energy
The amount of heat energy that may be converted into useful energy from a fuel.
Industry:Energy
The amount of heat given off by a person at rest in a comfortable environment; approximately 50 Btu per hour (Btu/h).
Industry:Energy
The amount of heat in a quantity of matter at a specific temperature and pressure.
Industry:Energy
The amount of heat introduced to a space from all heat producing sources, such as building occupants, lights, appliances, and from the environment, mainly solar energy.
Industry:Energy
The amount of heat produced from the complete combustion of a unit of fuel. The higher (or gross) heating value is that when all products of combustion are cooled to the pre-combustion temperature, water vapor formed during combustion is condensed, and necessary corrections have been made. Lower (or net) heating value is obtained by subtracting from the gross heating value the latent heat of vaporization of the water vapor formed by the combustion of the hydrogen in the fuel.
Industry:Energy
The amount of heat required to raise a unit mass of a substance through one degree, expressed as a ratio of the amount of heat required to raise an equal mass of water through the same range.
Industry:Energy
The amount of heat required to raise the temperature of a unit of water, at or near the temperature of maximum density, one degree Celsius (or Centigrade (C)); expressed as a "small calorie" (the amount of heat required to raise the temperature of 1 gram of water one degree C), or as a "large calorie" or "kilogram calorie" (the amount of heat required to raise one kilogram (1,000 grams) of water one degree C); capitalization of the word calorie indicates a kilogram-calorie.
Industry:Energy
The amount of heated air, or heating capacity, to be supplied by a heating system; usually the maximum amount to be delivered based on a specified number of heating degree days or design outside temperature.
Industry:Energy
