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1-20 of 38
Keywords: pressure drop
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. November 2023, 145(11): 113801.
Paper No: HT-23-1014
Published Online: September 4, 2023
... of Jet-To-Target Plate Distance and Reynolds Number on Jet Array Impingement Heat Transfer ,” ASME J. Turbomach. ,
136 ( 5 ), p. 051013 . 10.1115/1.40252 09 01 2023 18 07 2023 04 09 2023 jet impingement cooling liquid crystal transient heat transfer pressure drop...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. April 2023, 145(4): 041802.
Paper No: HT-22-1400
Published Online: January 23, 2023
... of experiments on total heat transfer and short-circuit heat transfer, the Nusselt number can be calculated. The pressure drop across a bayonet tube determined the friction factor. In examining a range of Reynolds numbers, Effectiveness and figure of merit have been resolved. It has been observed...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. January 2023, 145(1): 011901.
Paper No: HT-22-1059
Published Online: November 17, 2022
...), perforated pitches (20 mm–40 mm), and perforated diameters (2 mm–4 mm) variation effects on fluid outlet temperature, Nusselt ratio, Friction ratio, pressure drop, overall thermal performance, CO 2 discharge, and heat exchanger operating cost (HXOC) have been investigated. This work also focuses on design...
Topics:
Computational fluid dynamics,
Design,
Flow (Dynamics),
Fluids,
Heat exchangers,
Heat transfer,
Heat transfer coefficients,
Nanofluids,
Optimization,
Pressure drop
Includes: Supplementary data
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. August 2021, 143(8): 082501.
Paper No: HT-21-1132
Published Online: June 28, 2021
... 28 06 2021 automotive cooling system SEM nanofluid functionalized graphene pressure drop The development of powerful automobiles (conventional/electric vehicles) over the last decade has necessitated enhanced cooling requirements, due to the excessive heat generated...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. April 2021, 143(4): 042501.
Paper No: HT-19-1251
Published Online: February 23, 2021
... in the condition range (10 – 30 °C). Under the test range, the accelerating pressure drop is insignificant compared to friction. Comparing to the results, Mishima, K., and Hibiki, T. (1996, “Some Characteristics of Air-Water Two-Phase Flow in Small Diameter Vertical Tubes,” Int. J. Multiph. Flow, 22(4), pp. 703...
Topics:
Flow (Dynamics),
Heat transfer coefficients,
Microchannels,
Pressure gradient,
Vapors,
Heat flux,
Pressure drop,
Heat transfer,
Evaporation,
Pressure
Includes: Supplementary data
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. December 2020, 142(12): 121601.
Paper No: HT-19-1673
Published Online: September 18, 2020
... have been measured under the uniform and nonuniform heat flux conditions. In addition, the pressure drops inside the heat sink are also obtained. A minichannel heat sink (MCHS) with the same channel dimensions and inlet/outlet configuration is tested too. A comparison between MCHS and PSFHS...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. July 2020, 142(7): 071603.
Paper No: HT-19-1597
Published Online: May 29, 2020
... that of the smooth tube. Heat transfer enhancement of the 1EHTa and 1EHTb tube was mainly due to the complex roughness surface structures that created swirling and increased the interface turbulence. The condensation heat transfer coefficient increased slightly with increasing mass flux. The pressure drop penalty...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. April 2020, 142(4): 042502.
Paper No: HT-19-1464
Published Online: February 20, 2020
...Tingbo Hou; Yuanlong Chen The rib arrangement has an important influence on the pressure drop and heat transfer performance of a microchannel heat exchanger (MHE) with circular reentrant cavities and ribs. In this study, four kinds of MHEs with circular reentrant cavity and ribs were designed...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. February 2016, 138(2): 022901.
Paper No: HT-15-1020
Published Online: September 2, 2015
...Zan Wu; Bengt Sundén Experimental single-phase, condensation, and evaporation (flow boiling) pressure drop data from the literature and our previous studies were collected to evaluate previous frictional pressure drop correlations for horizontal microfin tubes of different geometries. The modified...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. July 2015, 137(7): 071703.
Paper No: HT-13-1587
Published Online: July 1, 2015
... at a fixed Reynolds number. When compared on the basis of a fixed volumetric coolant flowrate, pressure drop, and pumping power, however, no significant enhancements were observed using dilute (2%, 4%, and 6% volume fraction) alumina–water nanofluids (having an average diameter of 50 nm). In some cases...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. January 2015, 137(1): 012601.
Paper No: HT-13-1619
Published Online: October 28, 2014
... that the magnitude of the heat transfer coefficient was above water at equivalent experimental conditions and at very low fiber concentrations, but progressively decreased until it was below water at slightly higher concentrations. Similar trends were obtained for the pressure drop measurements obtained...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. July 2014, 136(7): 071801.
Paper No: HT-13-1102
Published Online: March 26, 2014
... ) where Δ x is the length of the flow passages and | Δ p | the corresponding pressure drop. The most relevant performance parameters of the heat exchanger are the pressure drop per unit length and the heat transfer coefficient. Pressure drop can be made dimensionless by defining...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. June 2014, 136(6): 061704.
Paper No: HT-13-1298
Published Online: March 13, 2014
... to the melting point of the material (20–30 °C). Pressure drop measurements under turbulent flow conditions were recorded for 6 MPCM samples at various concentrations. The pressure drop of the MPCM slurry was comparable to that of water despite the higher viscosity of the slurry. The effect of heat flux, MPCM...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Heat Mass Transfer. September 2013, 135(9): 091602.
Paper No: HT-12-1312
Published Online: July 26, 2013
...Hua Sheng Wang; Jie Sun; John W. Rose Note Single overbar denotes time average Double overbar denotes time and channel perimeter average References [1] Yan , Y. Y. , and Lin , T. F. , 1999 , “ Condensation Heat Transfer and Pressure Drop of R-134a in a Small...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. August 2013, 135(8): 081502.
Paper No: HT-11-1080
Published Online: July 11, 2013
... as the test fluid were performed under high pressure conditions at the Japan Atomic Energy Agency (JAEA) by using a circular tube. Void fraction, pressure drop, and heat transfer coefficient data were obtained under 15, 17, and 18 MPa. This paper discusses the steam-water pressure drop and void fraction...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. March 2013, 135(3): 031503.
Paper No: HT-12-1273
Published Online: February 11, 2013
... region. heat pipe groove heat transfer pressure drop mathematical model A heat pipe is a highly effective and efficient two-phase heat transfer device which utilizes the evaporation and condensation of a working fluid to transfer heat. Capillary forces developed in the capillary...
Journal Articles
Publisher: ASME
Article Type: Evaporation, Boiling, and Condensation
J. Heat Mass Transfer. August 2012, 134(8): 081501.
Published Online: June 5, 2012
... significant pressure drop at the same operating condition as the microtube without orifice. The 20% area ratio orifice shows better performance at low mass fluxes (<1000 kg/m 2 · s). Whereas, at high mass fluxes (>2000 kg/m 2 · s), 50% and 35% area ratio orifices are efficient in stabilizing the flow...
Journal Articles
Publisher: ASME
Article Type: Heat Exchangers
J. Heat Mass Transfer. July 2012, 134(7): 071801.
Published Online: May 24, 2012
...Xinyu Wei; Chunhui Dai; Yun Tai; Fuyu Zhao This paper presents a double-tube once-through steam generator (DOTSG) consisting of the outer straight tube and the inner helical tube. The tube length and pressure drop of are important parameters in optimal design of DOTSG. For optimal design...
Journal Articles
Heat Transfer and Flow Resistance Characteristics of Louver Fin Geometry for Automobile Applications
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. October 2011, 133(10): 101802.
Published Online: August 11, 2011
...Hie Chan Kang; Gil Woong Jun The present work was conducted to investigate the air-side pressure drop and heat transfer performance of the louver fin-tube heat exchanger for automobile applications. Fourteen kinds of louver fin geometries with different louver pitches and angles were tested...
Journal Articles
Publisher: ASME
Article Type: Thermal Issues In Emerging Technologies
J. Heat Mass Transfer. June 2011, 133(6): 060904.
Published Online: March 4, 2011
... behavior of these new enhanced surfaces, which present high heat transfer area per unit of volume at the expense of high pressure drop. The paper presents the experimental heat transfer and pressure drop measurements relative to air flowing in forced convection through four different aluminum foams, when...
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