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首页> 外文会议>International Conference on Energy and Environment >Aspects regarding fouling of the heat exchanger coils and filters on the performance of packaged air to air HVAC system
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Aspects regarding fouling of the heat exchanger coils and filters on the performance of packaged air to air HVAC system

机译：关于热交换器线圈的污垢和过滤器对空气HVAC系统进行滤波器的污垢的方面

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HVAC systems are today more increasingly on the market, their energy consumptions are continuously growing. The energy efficiency of these systems is very important for reducing power consumption in buildings. The aim of the article is presenting the influence of fouling heat exchanger coils (evaporator + condenser) and filters, regarding the proper operation of the HVAC system. Several indicators have been analyzed: the air flow rate, the coefficient of performance in cooling mode (EER), power consumption and the thermodynamic subcooling and superheat parameters. For this study, a direct expansion (DX) HVAC system rooftop unit type was used. The paper presents analysis results performed on 4 different combinations: fouled heat exchanger coils and filters, fouled heat exchanger coils and clean filters, clean heat exchanger coils and fouled filters and clean heat exchanger coils and filters. Experimental data illustrate that the impact of filters and heat exchanger coils after fouling was found to be significant. Clean filters lead to less energy consumption and provide considerably better air quality through the evaporator coil.
机译：HVAC系统今天越来越多地，他们的能源消耗不断增长。这些系统的能效对于降低建筑物中的功耗非常重要。本文的目的是呈现污垢热交换器线圈（蒸发器+冷凝器）和滤波器的影响，关于HVAC系统的适当操作。已经分析了几种指标：空气流速，冷却模式（eer）的性能系数，功耗和热力学过冷和过热参数。对于本研究，使用直接扩展（DX）HVAC系统屋顶单元类型。本文介绍了4种不同组合进行的分析结果：污垢热交换器线圈和过滤器，污垢热交换器线圈和清洁过滤器，清洁热交换器线圈和污垢过滤器和清洁的热交换器线圈和过滤器。实验数据说明，发现污垢后的滤波器和热交换器线圈的影响是显着的。清洁过滤器导致能耗较少，通过蒸发器线圈提供更好的空气质量。

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