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Keywords: mass transfer
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2012, 134(5): 051042.
Published Online: June 15, 2012
...Kalyanjit Ghosh; R. J. Goldstein Heat (mass) transfer experiments are conducted to study the effect of an inlet skew on a simulated gas-turbine blade placed in a linear cascade. The inlet skew simulates the relative motion between rotor and stator endwalls in a single turbine stage. The transverse...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041014.
Published Online: July 21, 2011
...M. Papa; V. Srinivasan; R. J. Goldstein Mass transfer measurements on the endwall and blade suction surfaces are performed in a five-blade linear cascade with a high-performance rotor blade profile. The effects of purge flow from the wheelspace cavity entering the hot gas path are simulated...
Journal Articles
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041007.
Published Online: April 20, 2011
... and turning of the mainstream flow at the contoured surface, resulting in a reduction of the local blowing ratios near the pressure side leading edge. blades coolants gas turbines mass transfer nozzles From a simple thermodynamic analysis of a gas turbine, it is apparent that raising the gas...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031021.
Published Online: November 29, 2010
... process and the interaction between the particles and components are discussed. Heat and mass transfer models are built for two ideal conditions. Results from a case study reveal that the melting rate for the ice particle covering with water film is much higher than that for bare particles. Those ice...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2011, 133(1): 011015.
Published Online: September 22, 2010
...S. Olson; S. Sanitjai; K. Ghosh; R. J. Goldstein This study investigates the effect of wakes in the presence of varying levels of background freestream turbulence on the heat (mass) transfer from gas turbine blades. Measurements using the naphthalene sublimation technique provide local values...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2010, 132(4): 041013.
Published Online: May 5, 2010
... nonequilibrium thermodynamics multiphase flow interphase slip surface film droplet spectrum droplet splashing airfoil flow-angle deviation aerodynamics aerospace components aerospace engines aircraft blades calibration compressors evaporation gas turbines mass transfer nozzles 19 10...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2010, 132(3): 031007.
Published Online: March 25, 2010
... drag fans flow simulation jet engines Mach number mass transfer nozzles numerical analysis rotors 1 An important consideration in the design of nacelles for commercial aircraft engines is the propulsion system drag at engine-out “windmill” conditions, where the fan rotor...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2009, 131(3): 031005.
Published Online: April 8, 2009
...Zhihong Gao; Diganta Narzary; Shantanu Mhetras; Je-Chin Han The influence of incidence angle on film-cooling effectiveness is studied for a cutback squealer blade tip. Three incidence angles are investigated − 0 deg at design condition and ± 5 deg at off-design conditions. Based on mass transfer...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2009, 131(2): 021002.
Published Online: January 22, 2009
...Eashwar Sethuraman; Sumanta Acharya; Dimitris E. Nikitopoulos The paper presents an experimental study of heat∕mass transfer coefficient in 4:1 aspect ratio smooth channels with nonuniform cross sections. Curved leading and trailing edges are studied for two curvatures of 9.06 m − 1 (0.23 in. − 1...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2008, 130(3): 031004.
Published Online: May 2, 2008
... each blockage and all of the holes had rounded edges. Local heat (mass) transfer was measured and overall heat (mass) transfer results were obtained, on the exposed surfaces of one of the walls downstream of the two blockages, for Reynolds numbers (based on the hydraulic diameter of the channel...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2007, 129(2): 281–293.
Published Online: September 4, 2006
.../heat transfer coefficients on the slot and on the land surfaces were compared both experimentally and numerically. 05 07 2006 04 09 2006 heat transfer mass transfer aerodynamics gas turbines design engineering turbulence computational fluid dynamics cooling sublimation...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2007, 129(3): 636–642.
Published Online: July 25, 2006
...Yun Heung Jeon; Suk Hwan Park; Kyung Min Kim; Dong Hyun Lee; Hyung Hee Cho The present study investigates the effects of bleed flow on heat/mass transfer and pressure drop in a rotating channel with transverse rib turbulators. The hydraulic diameter ( D h ) of the square channel is 40.0 mm . 20...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2006, 128(4): 798–813.
Published Online: February 1, 2005
..., the heat transfer performance of a leading edge modified blade has not been investigated thoroughly. Since a fillet at the leading edge blade is reported to reduce the aerodynamic loss significantly, the naphthalene sublimation technique with a fillet geometry is used to study local heat (mass) transfer...
Journal Articles