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地下水水源热泵的水源问题研究 被引量:31
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作者 薛玉伟 李新国 +2 位作者 赵军 朱强 黄金秋 《能源工程》 2003年第2期10-13,共4页
地下水是应用地下水水源热泵的前提。文章简单阐述了地下水温度、流量和水质对水源热泵运行效率的影响。介绍了水处理技术和回灌技术 ,探讨了工程中应注意“热短路”问题。
关键词 地下水 水源 地下水参数 回灌 温度 流量 水质 水处理技术 “热短路”
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Flexible thermocells for utilization of body heat 被引量:2
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作者 Hyeongwook Im Hyung Geun Moon +3 位作者 Jeong Seok Lee In Young Chung Tae June Kang Yong Hyup Kim 《Nano Research》 SCIE EI CAS CSCD 2014年第4期443-452,共10页
Plastic thermo-electrochemical ceils (thermocells) involving aqueous potassium ferricyanide/ferrocyanide electrolyte have been investigated as an alternative to conventional thermoelectrics for thermal energy harves... Plastic thermo-electrochemical ceils (thermocells) involving aqueous potassium ferricyanide/ferrocyanide electrolyte have been investigated as an alternative to conventional thermoelectrics for thermal energy harvesting. Plastic thermocells that consist of all pliable materials such as polyethylene terephthalate (PET), fabrics, and wires are flexible enough to be wearable on the human body and to be wrapped around cylindrical shapes. The performance of the thermocells is enhanced by incorporating carbon nanotubes into activated carbon textiles, due to improved charge transfer at the interface. In cold weather conditions (a surrounding temperature of 5 ℃), the thermocell generates a short-circuit current density of 0.39 A/m2 and maximum power density of 0.46 mW/m2 from body heat (temperature of 36℃). For practical use, we have shown that the thermocell charges up a capacitor when worn on a T-shirt by a person. We also have demonstrated that the electrical energy generated from waste pipe heat using a serial array of the thermocells and voltage converters can power a typical commercial light emitting diode (LED). 展开更多
关键词 wearable thermocell body heat waste heat recovery carbon nanotubes activated carbon textile porous electrode
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