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首页> 外文会议>PALENC(Passive and Low Energy Cooling) Conference on Building Low Energy Cooling and Advanced Ventilation Technologies in the 21st Century;AIVC(Air Infiltration and Ventilation Centre) Conference on Building Low Energy Cooling and Advanced Ventilation Technologies in the 21st Century >The exergy approach for the evaluation of heating and cooling technologies; first results comparing steady state and dynamic simulations
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The exergy approach for the evaluation of heating and cooling technologies; first results comparing steady state and dynamic simulations

机译：评估供热和制冷技术的火用方法;对比稳态和动态仿真的初步结果

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摘要

Energy saving and emissions reduction are both affected by the energy efficiency of the built environment and the matching between the quality of the energy carrier and the quality of the required energy. To take into account qualitative aspects of energy leads to the introduction of the exergy concept. Heating and cooling of buildings require low valued energy, especially if low temperature heating systems and high temperature cooling systems are used. Nevertheless space conditioning is usually provided through high exergy sources. This study is related to the 1EA ECBCS Annex 49 "Low Exergy Systems for High Performance Buildings and Communities", in the framework of which a research for comparing different technologies for heating and cooling, from both the energy and the exergy perspective has been started, assuming steady state conditions. After that, dynamic simulations have been carried out in order to evaluate the effects of climatic conditions, systems behaviour and envelope's thermal response on exergy performance.
机译：节能和减排均受建筑环境的能效以及能量载体的质量与所需能量的质量之间的匹配的影响。考虑到能量的定性方面导致引入了火用概念。建筑物的加热和冷却需要低价值的能源，尤其是在使用低温加热系统和高温冷却系统的情况下。然而，空间调节通常是通过高火力源提供的。这项研究与1EA ECBCS附件49“用于高性能建筑物和社区的低火用系统”有关，在该框架的框架内，已经开始进行从能源和火用角度比较不同供暖和制冷技术的研究，假设处于稳定状态。此后，进行了动态仿真，以评估气候条件，系统行为和外壳的热响应对火用性能的影响。

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