| 微型燃气轮机CW原表面回热器流动与换热的试验研究 |
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| 引用本文： | 梁红侠,王秋旺,王军伟,黄自鹏,罗来勤,丰镇平.微型燃气轮机CW原表面回热器流动与换热的试验研究[J].工程热物理学报,2006,27(5):865-867. |
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| 作者姓名： | 梁红侠 王秋旺 王军伟 黄自鹏 罗来勤 丰镇平 |
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| 作者单位： | 西安交通大学动力工程多相流国家重点实验室,陕西,西安,710049 |
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| 基金项目： | 国家高技术研究发展计划(863计划);教育部霍英东教育基金会高等院校青年教师基金 |
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| 摘 要： | 本文试验研究了交错波纹(Cross Wavy,简称CW)原表面回热器在低雷诺数范围内的流动与传热性能,通过对燃气进、出口不同测点温度测量,研究了燃气不均匀性对换热性能的影响,采用等流量法从总传热系数k中分离出两侧表面传热系数h,获得了有工程应用价值的Nu-Re及f-Re准则关系式。
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| 关 键 词： | 微型燃气轮机 回热器 CW原表面 |
| 文章编号： | 0253-231X(2006)05-0865-03 |
| 修稿时间： | 2006年1月12日 |
EXPERIMENTAL STUDY ON FLOW AND HEAT TRANSFER OF CW PRIMARY SURFACE RECUPERATOR FOR MICROTURBINE |
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| LIANG Hong-Xia,WANG Qiu-Wang,WANG Jun-Wei,HUANG Zi-Peng,LUO Lai-Qin,FENG Zhen-Ping.EXPERIMENTAL STUDY ON FLOW AND HEAT TRANSFER OF CW PRIMARY SURFACE RECUPERATOR FOR MICROTURBINE[J].Journal of Engineering Thermophysics,2006,27(5):865-867. |
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| Authors: | LIANG Hong-Xia WANG Qiu-Wang WANG Jun-Wei HUANG Zi-Peng LUO Lai-Qin FENG Zhen-Ping |
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| Abstract: | The experimental study of flow and heat transfer characteristics of Cross Wavy (CW) primary surface recuperator in low Reynolds were performed. The influence of gas flow non-uniform distribution on heat transfer performance was investigated by measuring the gas temperature distribution of inlet and outlet. The convective heat transfer coefficient, h, is obtained from total heat transfer coefficient, k, by equal mass flow rate method, and the variations of Nu and f vs. Re were obtained. |
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| Keywords: | microturbine recuperator Cross Wavy primary surface |
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