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	Thermal Characteristics of Air-Water Spray Impingement Cooling of Hot Metallic Surface under Controlled Parametric Conditions
	Nayak, S. K. and Mishra, P. C.1
	2016
关键词	air-water spray transient temperature cooling rate plate thickness atomized spray runout table steel plate Thermodynamics Engineering
中文摘要	Small propeller-type wind turbines have a low Reynolds number, limiting the number of usable airfoil materials. Thus, their design method is not sufficiently established, and their performance is often low. The ultimate goal of this research is to establish high-performance design guidelines and design methods for small propeller-type wind turbines. To that end, we designed two rotors: Rotor A, based on the rotor optimum design method from the blade element momentum theory, and Rotor B, in which the chord length of the tip is extended and the chord length distribution is linearized. We examined performance characteristics and flow fields of the two rotors through wind tunnel experiments and numerical analysis. Our results revealed that the maximum output tip speed ratio of Rotor B shifted lower than that of Rotor A, but the maximum output coefficient increased by approximately 38.7%. Rotors A and B experienced a large-scale separation on the hub side, which extended to the mean in Rotor A. This difference in separation had an impact on the significant decrease in Rotor A's output compared to the design value and the increase in Rotor B's output compared to Rotor A.
内容类型	期刊论文
源URL	[http://ir.etp.ac.cn/handle/311046/113080]
专题	工程热物理研究所_Journal of Thermal Science_期刊论文
作者单位	1.[Nayak, Santosh Kumar 2.Mishra, Purna Chandra] KIIT Univ, Sch Mech Engn, Bhubaneswar 751024, Odisha, India.
推荐引用方式 GB/T 7714	Nayak, S. K. and Mishra, P. C.. Thermal Characteristics of Air-Water Spray Impingement Cooling of Hot Metallic Surface under Controlled Parametric Conditions[J],2016.
APA	Nayak, S. K. and Mishra, P. C..(2016).Thermal Characteristics of Air-Water Spray Impingement Cooling of Hot Metallic Surface under Controlled Parametric Conditions..
MLA	Nayak, S. K. and Mishra, P. C.."Thermal Characteristics of Air-Water Spray Impingement Cooling of Hot Metallic Surface under Controlled Parametric Conditions".(2016).

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