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| 1 | 倾斜角及充液率对脉动热管运行性能的影响显示文摘在内径分别为1 mm和2 mm的细铜管弯曲而成的40弯头脉动热管试验装置上,采用R123、水和酒精为工作介质,研究了倾斜角及充液率对脉动热管传热性能的影响.结果表明:在相同的热负荷下,当倾斜角从+90°逐渐转到0°,最后转到-90°时,平均蒸发温度有不同程度的提高;在较低负荷下,倾斜角对运行性能的影响比较明显;对于多弯头数管状脉动热管,重力作用对其传热性能的影响仍然存在,但影响程度随着热负荷的增加及管内径的减小而减弱;最佳充液率范围与管内径、加热模式、热负荷及工质种类等因素有关,在工程应用中,最佳充液率可近似取管内总体积的55%左右. | 杨洪海 韩洪达 GROLL Manfred | 2009 | 动力工程2009，29，2： | 18 |
| 2 | 脉动热管技术的研究现状及前沿热点显示文摘脉动热管作为一种新型热管技术,具有结构简单、成本低廉和性能卓越的优点,在微电子元器件的冷却以及航空航天领域的热控制技术中极具应用和发展潜力。这里简单介绍了脉动热管技术的结构及工作原理;分析其运行特性和性能影响参数。在综合分析有关文献的基础上,明确了下一步研究工作的方向以及热点问题。 | 杨洪海 KHANDEKAR Sameer GROLL Manfred | 2006 | 东华大学学报(自然科学版)2006，32，3： | 17 |
| 3 | 单回路闭式脉动热管内流型的实验研究显示文摘对一个单回路闭式脉动热管进行了实验研究。该热管由铜管及玻璃管(内直径均为2mm)合制而成。两端的U形弯头是由细铜管弯曲而成,一端通电加热,另一端通水冷却。中间为两根直的平行玻璃管,采用酒精为工质。本实验目的是,揭示脉动热管内部所存在的复杂的气液两相现象,更好地理解其运行特性。实验表明流型及重力等对单回路系统的热力性能有着重要的影响。 | 杨洪海 KHANDEKAR Sameer GROLL Manfred | 2007 | 流体机械2007，35，1： | 12 |
| 4 | 不同工质振荡热管的传热性能显示文摘为了解不同工质回路振荡热管运行和传热机理及规律,进行了风冷弯曲封闭循环振荡热管的实验,测定了R123、乙醇和水3种不同工质在振荡热管中不同充注量及不同加热功率下的热阻.结果发现,振荡热管的激励和传热特性与工质的物性包括饱和温度、比热容、汽化潜热及饱和温度下压力随温度的变化率有关,且不同物性在不同工况下作用大小不同,这决定了热管发生振荡的难易和发生振荡后热阻性能的变化. | 崔晓钰 王妍 翁建华 胡记超 Manfred Groll | 2009 | 上海理工大学学报2009，31，6： | 12 |
| 5 | 圆管式及方槽板式脉动热管的比较显示文摘对圆管式及方槽板式脉动热管试验进行了结构及运行特性的比较。分析表明,与圆管式脉动热管相比,方槽板式脉动热管存在尖角的毛细吸附力以及相邻槽道通过薄壁的横向热平衡。这些结构因素影响脉动热管的运行特性。试验表明,在水平及垂直顶部加热模式下,两种热管的最佳充液率范围相同,均为40%~70%;在垂直底部加热模式下,圆管式脉动热管的最佳充液率范围是30%~70%,而方槽板式脉动热管的最佳充液率则为15%。 | 杨洪海 张晨 GROLL Manfred | 2009 | 流体机械2009，37，6： | 9 |
| 6 | Visual Study on Flow and Operational Characteristics of Flat Plate Closed Loop Pulsating Heat Pipes显示文摘This paper presents an experimental study including visualization on a flat plate closed loop pulsating heat pipes.It consists of a total of 40 channels with square cross section(2 mm×2 mm,165 mm long) machined directly on an aluminum plate(180 mm×120 mm×3 mm) covered by a transparent plate.The working fluid employed is ethanol.As a result,various flow patterns and their transitions are observed and found to be related to the fluid fill ratio,input heat load and the device orientation.Also the operational characteristics and working mechanism are discussed. | 杨洪海 Groll Manfred Khandekar Sameer | 2009 | Journal of Donghua University(English Edition)2009，26，1： | 2 |
| 7 | Parametric Influence on Thermal Performance of Flat Plate Closed Loop Pulsating Heat Pipes显示文摘This paper presents an experimental study on a flat plate closed loop pulsating heat pipes. It consisted of total 40 channels with square cross section(2×2 mm2, 165 mm long) machined directly on an aluminum plate(180×120×3 mm3), which was covered by a transparent plate. The working fluid employed was ethanol. As the results, the influence parameters of thermal performance were investigated, such as filling ratio, heat load and operational orientations etc. Filling ratio was found to be a critical parameter, and its effect was rather complicated. According to its values the PHP plate could have four distinct working zones with different operational characteristics and heat transfer performance. The effect of heat load on thermal performance was found to be positive, and in general, increasing the heat load would improve heat transfer performance. In order to analyze the effect of gravity on thermal performance, three different heat modes and total seven tilt angles were tested and compared. Successful operation at all orientations with respect to gravity was also achieved. | 杨洪海 KHANDEKAR Sameer GROLL Manfred | 2006 | Journal of Donghua University(English Edition)2006，23，3： | 2 |
| 8 | Closed loop pulsating heat pipes: Part A: parametric experimental investigations 显示文摘 | Piyanun Charoensawan Sameer Khandekar Manfred Groll | 2003 | Applied Ther- mal Engineering2003，23，16： | 1 |
| 9 | Closed loop pulsating heat pipes Part B: Visualization and semi - empirical modeling 显示文摘 | Sameer Khandekar Piyanun Charoensawan Manfred Groll | 2003 | Applied Thermal Engineering2003，23，： | 1 |
| 10 | Closed loop pulsating heat pipes ( I ): Parametric experimental investigations 显示文摘 | Charoensawan P Sameer Khandekar Manfred Groll | 2003 | Applied Thermal Engineering2003，23，： | 1 |
| 11 | Closed looped pulsating heat pipes: part B: visualization and semi-empirical modeling 显示文摘 | SAMEER Khandekar PIYANUM Charoensawan MANFRED Groll | 2003 | Applied Thermal Engineering2003，23，5： | 1 |
| 12 | Steadystate and transient performance of a miniature loop heat pipe显示文摘 | Chen Yuming Manfred Groll Rainer Mertz | 2006 | International Journal of Thermal Sciences2006，45，： | 1 |
| 13 | An insight into thermo-hydrodynamic coupling in closed loop pulsating heat pipes 显示文摘 | SAMEER Khandekar MANFRED Groll | 2004 | International Journal of Thermal Sciences2004，43，4： | 1 |
| 14 | Closed loop pulsating heat pipes ( II ) : Visualization and semiempirical modeling 显示文摘 | Khandekar S Piyanun Charoensawan Manfred Groll | 2003 | Applied Thermal Engineering2003，23，： | 1 |
| 15 | Steady-state and transient performance of a miniature loop heat pipe显示文摘 | Yuming Chen Manfred Groll Rainer Mertz | 2006 | International Journal of Thermal Sciences2006，45，： | 1 |
| 16 | 多弯头数平板状闭式回路脉动热管流动及试验运行机理的可视化试验研究显示文摘对多弯头数平板状闭式回路脉动热管进行了可视化试验研究。在180×120×3mm^3的铝板上加工出40个首尾相接的正方形槽道(每个槽道横截面尺寸2×2mm^2,长165mm),构成闭式回路。采用酒精为工作介质,充液率在10%-90%范围内变化,安装角度可任意调节。通过试验,系统观察平板内部的流型及流态转换规律,探讨其运行机理。 | 杨洪海 KHANDEKAR Sameer GROLL Manfred | 2009 | 流体机械2009，37，3： | 1 |
| 17 | Heat transfer characteristics of expanded graphite matrices in metal hydride beds显示文摘 | Klein Hans-Peter Groll Manfred | 2004 | International Journal of Hydrogen Energy2004，29，： | 1 |
| 18 | Closed loop pulsating heat pipes Part B : Visualization and semi-em- pirical modeling 显示文摘 | Khandekar Sameer Charoensawan Piyanun Groll Manfred | 2003 | Applied Thermal Engineering2003，23，16： | 1 |
| 19 | Steady-state and transient performance of a miniature loop heat pipe 显示文摘 | Chen Yuming Manfred Groll Rainer Mertz | 2006 | International Journal of Thermal Sciences2006，45，11： | 1 |
| 20 | Closed loop pulsating heat pipes Part B: visualization and semi - empirical modeling 显示文摘 | Sameer Khandekar Piyanun Charoensawan Manfred Groll et al | 2003 | Applied Thermal Engineering2003，23，： | 1 |
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