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Abstract--Theheatingofswimmingpoolscanbeexpensiveintermsofenergycostsandenergy-saving...
Abstract--The heating of swimming pools can be expensive in terms of energy costs and energy-saving measures which are much more effective than the simple recovery of the exhausted air are recommended.A new open-cycle absorption system is presented here, operating by chemical dehumidification on the exhausted air. It allows important energy savings of the same order as the motor-driven heat pump systems, although its technology is in principle simpler and cheaper. Copyright 0 1996 Elsevier Science Ltd
Keywords--Swimming pools; heat recovery; open cycle; absorp
INTRODUCTION
The winter heating of an indoor swimming pool is one of the few air-conditioning applications when sensible heating must be provided, but a latent load withdrawn is at the same time. The operation is usually conducted through a suitable introduction of fresh air, whose humidity ratio is lower than the ratio to be kept in the ambient. The energy cost is far from being negligible, first of all for the obvious reason that the fresh air is normally much colder than the exhaust. Moreover, the requested flow rate is generally much higher than the simple ventilation for air change.
However, another energy cost may be not recognised: the room air is exhausted at a high enthalpy content, not only for the sensible but also for the latent fraction. Simple heat exchangers are not able to recover the latent part, which will be supplied to the fresh air by the evaporation from the pool with a corresponding energy cost. One could conceive employing a total heat wheel between fresh and exhausted air. Such exchangers give back the withdrawn humidity to the fresh air: thus they make ventilation useless as far as the withdrawal of latent load is concerned. 展开
Keywords--Swimming pools; heat recovery; open cycle; absorp
INTRODUCTION
The winter heating of an indoor swimming pool is one of the few air-conditioning applications when sensible heating must be provided, but a latent load withdrawn is at the same time. The operation is usually conducted through a suitable introduction of fresh air, whose humidity ratio is lower than the ratio to be kept in the ambient. The energy cost is far from being negligible, first of all for the obvious reason that the fresh air is normally much colder than the exhaust. Moreover, the requested flow rate is generally much higher than the simple ventilation for air change.
However, another energy cost may be not recognised: the room air is exhausted at a high enthalpy content, not only for the sensible but also for the latent fraction. Simple heat exchangers are not able to recover the latent part, which will be supplied to the fresh air by the evaporation from the pool with a corresponding energy cost. One could conceive employing a total heat wheel between fresh and exhausted air. Such exchangers give back the withdrawn humidity to the fresh air: thus they make ventilation useless as far as the withdrawal of latent load is concerned. 展开
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摘要--加热游泳池可昂贵的能源费用、节能措施得多 较简单有效的复苏正在枯竭空气recommended.a新开循环吸收系统介绍这里 经营化学除湿的空气耗尽. 它使节能的重要次序的电动热泵系统 虽然其技术简单、廉价的原则. 01996Elsevier科学有限公司版权关键词--游泳池; 热回收; 开放周期; 引进和吸收了冬季供暖室内游泳池是少数空调采暖申请当明智 必须提供的,但潜在的负荷是在同一时间退出. 操作通常透过适当引入新鲜空气, 湿度比率低于其比率应保持在周围. 能源成本远远微不足道 首先为明显,因为新鲜空气通常比排气更冷. 另外,一般要求流率远远高于单纯的空气流通转变. 不过,能源成本可能不会再承认:室内空气耗尽在高焓内容 不仅明智而且对潜伏分数. 简单热交换器无法收回的潜在部分 这将提供给新鲜空气的蒸发池与相应的能源成本. 可以设想,共雇用车轮之间热空气清新、疲惫. 这种交换机还撤消了新鲜空气湿度: 因而使通风无用据撤出潜伏负荷而言.
摘要--加热游泳池可昂贵的能源费用、节能措施得多 较简单有效的复苏正在枯竭空气recommended.a新开循环吸收系统介绍这里 经营化学除湿的空气耗尽. 它使节能的重要次序的电动热泵系统 虽然其技术简单、廉价的原则. 01996Elsevier科学有限公司版权关键词--游泳池; 热回收; 开放周期; 引进和吸收了冬季供暖室内游泳池是少数空调采暖申请当明智 必须提供的,但潜在的负荷是在同一时间退出. 操作通常透过适当引入新鲜空气, 湿度比率低于其比率应保持在周围. 能源成本远远微不足道 首先为明显,因为新鲜空气通常比排气更冷. 另外,一般要求流率远远高于单纯的空气流通转变. 不过,能源成本可能不会再承认:室内空气耗尽在高焓内容 不仅明智而且对潜伏分数. 简单热交换器无法收回的潜在部分 这将提供给新鲜空气的蒸发池与相应的能源成本. 可以设想,共雇用车轮之间热空气清新、疲惫. 这种交换机还撤消了新鲜空气湿度: 因而使通风无用据撤出潜伏负荷而言.
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