...Nadeem Hasan; Sanjeev Sanghi In this work the role of Coriolis forces in the evolution of a two-dimensional thermally driven flow in a rotating enclosure of arbitrary geometry is discussed. Contrary to the claims made in some of the studies involving such class of flows that there is an active...

...Nadeem Hasan, Research Scholar,; Sanjeev Sanghi, Assoc. Prof., The present study involves a numerical investigation of buoyancy induced two-dimensional fluid motion in a horizontal, circular, steadily rotating cylinder whose wall is subjected to a periodic distribution of temperature. The axis...

...B. Ozar; B. M. Cetegen; A. Faghri An experimental study of heat transfer into a thin liquid film on a rotating heated disk is described. Deionized water was introduced at the center of a heated, horizontal disk with a constant film thickness and uniform radial velocity. Radial distribution...

... heat transfer turbulence aerodynamics gas turbines Convection Cooling Heat Transfer Measurement Techniques Rotating Turbines The inlet temperature of gas turbines has been increased in order to increase power output and efficiency. This has resulted in increased heat load...

... Heat Transfer Measurement Techniques Rotating Turbines In modern gas turbines, there is a continuing trend towards higher gas turbine inlet temperatures in order to increase power and efficiency. This, however, has resulted in a higher heat load on turbine components. Blade tips are one...

... and 135 deg with respect to the plane of rotation). The V-shaped ribs are placed on the leading and trailing surfaces. Five different arrangements of 45 deg V-shaped ribs are studied. The Reynolds number and rotation number ranges are 5000–40000, and 0.0–0.21, respectively. The rib height to hydraulic...

...Mohammad Al-Qahtani; Hamn-Ching Chen; Je-Chin Han Computations were performed to study three-dimensional turbulent flow and heat transfer in stationary and rotating 45 deg ribbed rectangular channels for which experimental heat transfer data were available. The channel aspect ratio ( AR ) is 4:1...

...Todd S. Griffith, Research Assistant; Luai Al-Hadhrami, Research Assistant; Je-Chin Han, M.C. Easterling Endowed Chair An investigation into determining the effect of rotation on heat transfer in a rib-roughened rectangular channel with aspect ratio of 4:1 is detailed in this paper. A broad range...

...Fred T. Willett, Mem. ASME; Arthur E. Bergles, Professor Emeritus In gas turbine blade design, a variety of channel shapes and orientations are used in the cooling circuit. Most of the rotating channel heat transfer research to date has considered channels of square or round cross-sections...

...Yannick Sommerer; Guy Lauriat Numerical simulations have been performed to study the flow and heat transfer characteristics in the annular space between an inner smooth-cylinder rotating at constant angular velocity and an outer stationary grooved one. A first series of calculations were conducted...

...G. J. Hwang, Professor, Fellow ASME; S. C. Tzeng; C. P. Mao; C. Y. Soong, Professor, Mem. ASME The present work is concerned with experimental investigation of the convective heat transfer in a radially rotating four-pass serpentine channel. Two types of staggered half-V rib turbulators...

...S.-S. Hsieh; J.-T. Huang; C.-F. Liu The influence of rotation and jet mass flow rate on the local heat transfer coefficient for a single confined impinging round jet with a fixed jet-to-wall spacing of H/d = 5 was studied for the jet Reynolds number from 6500 to 26,000 and the rotational Reynolds...

...T. Zhang; F. Ladeinde; V. Prasad The individual and combined effects of buoyancy, crystal rotation, and crucible rotation are reported in this paper for axisymmetrically averaged melt convection in a large Czochralski crystal growth system for silicon. These body force effects are characterized...

...J. J. Hwang; W.-J. Wang, Graduate Student; Cha'o Kuang Chen Convective characteristics are analyzed numerically in a rotating multipass square duct connecting with 180-deg sharp returns. Isoflux is applied to each duct wall and periodic conditions are used between the entrance and exit of a typical...

...C. W. Park; C. Yoon; S. C. Lau Naphthalene sublimation experiments have been conducted to examine the effects of channel orientation, rotational Coriolis force, ad a sharp turn, on the local heat (mass) transfer distributions in a two-pass square channel with rib-roughened walls, rotating about...

...G. J. Hwang; S. C. Tzeng; C. P. Mao Convective heat transfer of compressed air flow in a radially rotating four-pass serpentine channel is investigated experimentally in the present study. The coolant air was compressed at 5 atmospheric pressure to achieve a high rotation number and Reynolds number...

...R. Hopkins; A. Faghri; D. Khrustalev 24 Jan 1997 20 Aug 1998 05 12 2007 Analytical Flow Heat Transfer Heat Pipes Rotating Bowers M. B. , and Mudawar I. , 1994 , “ High Flux Boiling in Low Flow Rate, Low Pressure Drop Mini-Channel and Micro-Channel Heat...

...K. S. Klasing; S. K. Thomas; K. L. Yerkes 23 Feb 1998 12 Aug 1998 05 12 2007 Analytical Flow Heat Transfer Heat Pipes Rotating Chi, S., 1976, Heat Pipe Theory and Practice: A Sourcebook , Hemisphere, Washington, DC. Curtila, R., and Chataing, T., 1984...

...C. W. Park; S. C. Lau Naphthalene sublimation experiments have been conducted to study the effects of channel orientation, rotational Coriolis force, and a sharp turn, on the local heat (mass) transfer distributions in a two-pass square channel with a sharp turn and smooth walls, rotating about...

... 2007 Experimental Heat Transfer Heat Pipes Liquid Rotating ASHRAE Handbook of Fundamentals , 1977, American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc., Atlanta, GA. Chi, S., 1976, Heat Pipe Theory and Practice: A Sourcebook , Hemisphere Publ. Corp...