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Optimizing the Performance of the Domestic Wall Mounted Space Comfort Heater

机译：优化家用墙壁安装空间舒适加热器的性能

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摘要

The performance of a wall mounted space comfort heater has been studied with respect to the geometry of its mounting condition. Tests were conducted in a laboratory with the heater positioned at various heights from the floor and the channel that is created by the various gaps with the wall on which the heater was mounted. Tests were also performed with the heater mounted on the wall whose emissivity was adjusted to low, medium and high values as well as placing insulation material on the wall directly behind the heater. The experiments revealed an acceptable geometry of the heater's mounting at least 200mm above the floor, and 50 mm off-set from the wall. The heater's mounting against the wall caused a drop in performance of about 15% of it's maximum "benchmark" performance (with an efficiency of about 41%) achieved when the heater was freely standing on the floor of the laboratory. This efficiency, based on the convective heat transfer generated by the heater's warm/hot surfaces, is relative to the electrical energy input. The heat transfer by radiation from the heater's surface is treated as net loss to the walls of the room/enclosure. The performance of the heater when mounted against the wall improved almost to the benchmark value when the wall behind the heater was made refelective (low emissivity).
机译：已经研究了壁挂式空间舒适加热器的性能，相对于其安装条件的几何形状研究。在实验室中在实验室中进行测试，该加热器位于从地板的各种高度处，并且通道由与安装加热器的壁的各种间隙产生的通道。还使用安装在墙壁上的加热器进行测试，其发射率调整到低，中等和高值以及直接在加热器后面的墙壁上放置绝缘材料。实验揭示了加热器安装在地板上方至少200mm的可接受的几何形状，并且从墙壁上偏离50mm。加热器安装在墙壁上引起的性能下降约15％的最大“基准”性能（当加热器自由站在实验室的地板上时，实现了大约41％的效率。基于由加热器的暖/热表面产生的对流传热的这种效率相对于电能输入。来自加热器表面的辐射的热传递被视为房间/外壳壁的净损耗。当加热器后面的墙壁进行接续（低发射率）时，加热器安装在墙壁上的性能改善了基准值。

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