Download e-book for kindle: Heat Pumps for Energy Efficiency and Environmental Progress by J. Bosma (Eds.)

By J. Bosma (Eds.)

ISBN-10: 0444815341

ISBN-13: 9780444815347

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Extra resources for Heat Pumps for Energy Efficiency and Environmental Progress

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Summing 2 48 both types of damage potential would eventually lead to an estimate of the potential "environmental value" of each additional heat pump unit. B E N E F I T S ESTIMATION IN PRACTICE In 1990, a detailed survey was conducted on the use of benefits estimation techniques in six OECD countries. This was then supplemented with a less comprehensive survey in seven additional countries. In general terms, these surveys suggested that the actual use of benefits estimation procedures is more extensive than might be thought from casual observation.

Heat has a thermodynamic value according to its temperature level. This value, often referred to as the quality factor, is defined in terms of the temperature difference between the temperature of the heat and the ambient temperature. The power that can be produced from a certain amount of heat, called exergy, increases with temperature. g. 5), making them highly efficient, 2 33 34 not only from an energy quantity, but also from an energy quality viewpoint. Each conversion step from primary to final energy incorporates an energy quality degradation.

G. pinch analysis) have been developed which enable thermodynamic optimization of a process or installation, and proper placement of a heat pump. 2. The greenhouse effect "As a result of the increasing concentrations of greenhouse gases, it is now believed that in the first half of the next century a rise of global mean temperature could occur which is greater than any in man's history". So concluded the World Meteorological Organization's international conference in Austria in 1985, which was a landmark in the perception of the greenhouse effect.

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Heat Pumps for Energy Efficiency and Environmental Progress by J. Bosma (Eds.)

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