By D. Asimakopoulos, M. Santamouris
Strength use in constructions within the european represents approximately forty% of the complete annual power intake. With larger understanding of the necessity to lessen strength intake comes a development of curiosity in passive cooling, relatively as a substitute to air-conditioning. This booklet describes the basics of passive cooling including the rules and formulae precious for its winning implementation. the cloth is comprised principally of knowledge and effects compiled less than the keep ecu examine Programme.
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Extra info for Passive Cooling of Buildings
In order to assess the effectiveness of the various thermodynamic systems, it is possible to use a dimensionless parameter, called coefficient of performance (COP), which is defmed as the ratio of the useful effect to the net energy supplied from the external source. For a heat pump that operates in the cooling mode, the useful cooling effect is (QL), the heat transferred from the cooled space, while the energy that costs is the work (W) and is supplied from external sources. 6, the coefficient of performance is given by: INTRODUCTION INTRODUCTION INTRODUCTION INTRODUCTION The COP of the various systems is a determinant factor on the fmal energy consumption of the unit.
Building. Climate and Energy. Pitman, London. 14 Antinucci, M. (1990). 'Heat attenuation as a means to limit cooling load and improve comfort', Workshop on Passive Cooling, eds E. Aranovitch, E. Fernades and T. , Italy, pp. 111-119. 15 Braun, J. (1990). 'Reducing energy costs and peak electrical demand through pptimal control of building thermal storage', ASHRAE Transactions, Vol. 2, pp. 876--888. 16 Brown, M. (1990). 'The thermal mass of buildings in reducing energy consumption', ASME Journal of Solar Energy Engineering.
Energy performance and energy conservation in health care buildings in Greece', Energy Conversion and Management, Vol. 35, pp. 293-305. 51 Campbell, 1. (1988). 'Use of Passive Solar Energy in Offices', Passive Solar Energy in Buildings, ed. P. O'Sullivan. The Watt Committee on Energy, Elsevier Applied Science Publishers, New York. R. (1993). 'New HVAC system reduces operating costs', ASHRAE Journal, Vol. 4 (April), pp. 20-23. G. (1993). 'Separate HV AC systems maximize energy efficiency', ASHRAE Journal, Vol.