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The Applicability, Design Aspects, And Long-Term Effects Of EDH-Enhanced Heat Transfer Of Alternate Refrigerants/Refrigerant Mixtures For HVAC Applications 暖通空调用替代制冷剂/制冷剂混合物的EDH强化传热的适用性、设计方面和长期效果
对文献的仔细搜索和EHD技术的评估表明,该技术现在已经过了婴儿期。它对环境安全制冷剂的适用性已在许多实验中得到成功证明,包括在一个15吨的EHD原型冷凝器中。初步工作还证明了该技术在非CFC制冷剂强化传热方面的潜在适用性。关于这些系统可靠运行所需的技术诀窍和组件的开发,几乎没有或根本没有可用的信息。在大多数情况下,重点一直放在增强的程度上,很少解释测试和仪器开发的机制或方法。 本项目的目标是开发EHD强化沸腾传热方面的实验和设计知识,这些知识可以扩展到HVAC&R应用。研究将集中在两个主要领域,概念测试(实验和演示)和最佳系统设计(最佳电极设计和系统设计指南)。
A careful search of the literature and assessment of the EHD technology suggests that the technique has now passed its infancy stage. Its applicability to environmentally safe refrigerants has been successfully demonstrated in a number of experiments, including in a 15-Ton prototype EHD condenser. The preliminary work also has demonstrated the potential applicability of the technique for heat transfer enhancement of non-CFC refrigerants. Little or no information is available on the technical know-how and development of components for reliable operation of these systems. In most cases the emphasis has been on the magnitude of enhancements with little explanation on the mechanism or method of test and apparatus development.The objective of this project is to develop experimental and design knowledge in EHD enhanced boiling heat transfer that can be extended to HVAC&R applications. The research will focus on two main areas, concept testing (experimentation and demonstration) and optimum system design (optimum electrodes design and systems design guidelines).
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