国家自然科学基金(51176008)

作品数:9被引量:52H指数:5
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相关作者:贾力胡东旭杨立新许文云邓阿强更多>>
相关机构:北京交通大学更多>>
相关期刊:《航空动力学报》《Journal of Thermal Science》《工程热物理学报》更多>>
相关主题:EXPERIMENTAL_INVESTIGATIONVISUALIZATION大功率LEDLED板式脉动热管更多>>
相关领域:动力工程及工程热物理化学工程航空宇航科学技术理学更多>>
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Visualization on Flow Patterns during Condensation of R410A in a Vertical Rectangular Channel被引量:3
《Journal of Thermal Science》2014年第3期269-274,共6页XU Wenyun JIA Li 
supported by National Natural Science Foundation of China(No.51176008);National Key Technology R&D Program(2012BAB12B02)
The visualization experiments on HFC R410A condensation in a vertical rectangular channel (14.34mm hydraulic diameter, 160mm length) were investigated. The flow patterns and heat transfer coefficients of condensatio...
关键词:flow pattern CONDENSATION vertical channel heat transfer R410A 
Evaporating Momentum Force and Shear Force on Meniscuses of Elongated Bubble in Microchannel Flow Boiling被引量:2
《Journal of Thermal Science》2014年第2期160-168,共9页YIN Liaofei JIA Li GUAN Peng LIU Fuhao 
supported by National Natural Science Foundation of China(No.51176008);National Key Technology R&D Program(No.2012BAB12B02);Jiangsu Key Laboratory of Process Enhancement&New Energy Equipment Technology(Nanjing University of Technology)
The evaporating momentum force and the shear force acting on the meniscus of an evaporating and elongating bubble in flow boiling in microchannel have been investigated theoretically and numerically.The concept of the...
关键词:MICROCHANNEL flow boiling elongated bubble evaporating momentum force shear force 
篦齿封严泄漏特性的实验被引量:15
《航空动力学报》2014年第3期549-555,共7页胡东旭 贾力 杨立新 
国家自然科学基金(51176008);国家科技部支撑计划(2012BAB12B02)
为了研究工程实际尺寸下篦齿封严泄漏特性,设计并搭建了篦齿封严实验台.在进出口压比为1.1~2.0的条件下,探究了节流间隙、齿数、齿腔深度和宽度等对篦齿封严泄漏量和密封腔内压力分布的影响.结果表明:泄漏系数随着压比和节流间...
关键词:篦齿封严 压比 封严结构 泄漏量 压力分布 
An Experimental Investigation on Heat Transfer Performance of Nanofluid Pulsating Heat Pipe被引量:8
《Journal of Thermal Science》2013年第5期484-490,共7页Hongwei Jia Li Jia Zetao Tan 
supported by NSFC(No.51176008);National Key Technology R&D Program(No.2012 BAB12B02);Jiangsu Key Laboratory of Process Enhancement&New Energy Equipment Technology(Nanjing University of Technology)
The effect of SiO2 particles on heat transfer performance of a pulsating heat pipe (PHP) was investigated experi- mentally. DI water was used as the base fluid and contrast medium for the PHP. In order to study and ...
关键词:NANOFLUID Pulsating heat pipe Heat transfer characteristics Suspension characteristics 
基于板式脉动热管的LED自然对流冷却实验研究被引量:8
《工程热物理学报》2013年第7期1361-1364,共4页李志 贾力 魏文博 
国家自然科学基金(No.51176008);科技部支撑计划(No.2012BAB12B00)
针对大功率LED具有高热流密度的特点,本文采用板式脉动热管与翅片的组合对额定功率为100 W的LED进行自然对流冷却实验研究。实验发现,脉动热管自然对流对于功率在52 W以下的LED取得较好冷却效果;板式脉动热管自然对流从启动到稳定过程...
关键词:大功率LED 板式脉动热管 自然对流 冷却 
An Experimental Investigation on the Confined and Elongated Bubbles in Subcooled Flow Boiling in a Single Microchannel被引量:4
《Journal of Thermal Science》2012年第6期549-556,共8页Liaofei Yin Li Jia Peng Guan Fuhao Liu 
supported by National Natural Science Foundation of China (No. 51176008);the Fundamental Research Funds for the Central Universities (No.2011YJS267);Jiangsu Key Laboratory of Process Enhancement & New Energy Equipment Technology(Nanjing University of Technology)
The characteristics of the confined bubble and elongated bubble in subcooled flow boiling in a single horizontal rectangular microchannel with hydraulic diameter Dh=1mm are studied experimentally. The channel with 1 ...
关键词:VISUALIZATION flow boiling rectangular microchannel confined bubble elongated bubble 
板式脉动热管用于LED散热研究被引量:9
《工程热物理学报》2012年第9期1567-1570,共4页邓阿强 贾力 许文云 
国家自然科学基金资助项目(No.51176008)
随着LED输入功率的不断提高,大耗散功率带来的高发热量及要求高的出光效率给LED散热提出了更高的要求。脉动热管与常规的散热技术相比,具有高效、结构简单、传热性能好等优点。本文主要通过板式脉动热管对大功率LED散热实验,对热管壁面...
关键词:大功率LED 板式脉动热管 散热 
Experimental Investigation of Bubble Behaviors in Subcooled Flow Boiling被引量:1
《Journal of Thermal Science》2012年第2期184-188,共5页Peng Guan Li Jia Liaofei Yin Shuo Wang 
supported by National Natural Science Foundation of China (No. 51176008)
The experimental investigation on vapor bubble growth is performed for analyzing subcooled boiling in a vertical annular channel with inner heating surface and upward water flow under atmospheric pressure. Bulk liquid...
关键词:subcooled boiling annular channel bubble behaviors VISUALIZATION 
环形小通道内过冷沸腾的气泡行为研究被引量:5
《工程热物理学报》2011年第11期1929-1931,共3页管鹏 贾力 银了飞 王硕 
国家自然科学基金资助项目(No.51176008)
本文对去离子水在竖直环形小通道内流动过冷沸腾时的气泡行为进行了可视化研究,观察到了气泡在流动沸腾过程中的生长,合并,脱离,滑移及气泡脱离壁面后的运动等现象,并结合气泡动力学理论模型及气泡滑移模型,对实验结果进行了对比分析,...
关键词:垂直环形通道 过冷沸腾 气泡行为 可视化 
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