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Keywords: two-phase flow
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Proceedings Papers

Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T08A008, June 16–18, 2021
Paper No: HT2021-63593
... rate. two-phase flow heat transfer condensation rate single vapor bubble multiple rising bubbles MATLAB Proceedings of the ASME 2021 Heat Transfer Summer Conference HT2021 June 16-18, 2021, Virtual, Online HT2021-63593 CONDENSATION HEAT TRANSFER MODEL: A COMPARISON STUDY OF CONDENSATION...
Proceedings Papers

Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T04A004, June 16–18, 2021
Paper No: HT2021-63467
... employed to address this challenge, two-phase flow, Eulerian-Lagrangian method. including improving the alloy composition of the gas turbine airfoils, spraying thermal barrier coatings, growing single crystal NOMENCLATURE blades, and improving the airfoil cooling techniques. C Vapor concentration (kg/m3...
Proceedings Papers

Proc. ASME. HT2020, ASME 2020 Heat Transfer Summer Conference, V001T12A014, July 13–15, 2020
Paper No: HT2020-9041
...A MULTIOBJECTIVE PARAMETER STUDY OF TWO-PHASE FLOW CHANNEL DESIGN Nicholas A. Evich, Nicholas R. Larimer, Mary I. Frecker, Matthew J. Rau1 Mechanical Engineering Department, The Pennsylvania State University, University Park, PA 16802, USA ABSTRACT Advanced manufacturing techniques have improved...
Proceedings Papers

Proc. ASME. HT2020, ASME 2020 Heat Transfer Summer Conference, V001T12A008, July 13–15, 2020
Paper No: HT2020-9018
... that provoke strong pressure oscillations in the surrounding water. direct contact condensation two-phase flow stability pressure oscillations steam condensation CONDITIONAL STABILITY OF DIRECT CONTACT STEAM CONDENSATION Zach Alden1, Gunnar Maples, Kristofer Dressler, Gregory Nellis, Arganthaël...
Proceedings Papers

Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T05A002, July 14–17, 2019
Paper No: HT2019-3464
... Distribution) does. Keywords: film cooling, mist cooling, gas turbine vane cooling, two-phase flow. NOMENCLATURE C Vapor concentration (kg/m 3 ) cp Constant-pressure specific heat (J/kg.K) D Droplet diameter, (m) d Mass diffusivity, (m 2 /s) h Convective heat transfer coefficient, (W/m 2 K) hfg Latent heat, (J...
Proceedings Papers

Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T10A001, July 14–17, 2019
Paper No: HT2019-3442
... (UDFs). The two-phase flow pattern and bubble behavior have been analyzed. The effects of inlet steam mass flow rate on boiling heat transfer are discussed. Keywords: Pool boiling, Condensation, CFD, Two-phase flow. NOMENCLATURE D diameter, mm diffusion constant in Eq.13 E specific internal energy, J/kg...
Proceedings Papers

Proc. ASME. HT2012, Volume 2: Heat Transfer Enhancement for Practical Applications; Fire and Combustion; Multi-Phase Systems; Heat Transfer in Electronic Equipment; Low Temperature Heat Transfer; Computational Heat Transfer, 695-701, July 8–12, 2012
Paper No: HT2012-58335
... two-phase flow critical heat flux CRITICAL HEAT FLUX IN MICROCHANNELS WITH AN ADJUSTABLE INLET ORIFICE Brent A. Odom Carlos A. Ortiz Patrick E. Phelan Arizona State University School for Engineering of Matter, Transport, and Energy Engineering G-Wing, 501 E. Tyler Mall Tempe, AZ, 85281 Tel: 480...
Proceedings Papers

Proc. ASME. HT2009, Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Heat Transfer Equipment; Heat Transfer in Electronic Equipment, 675-683, July 19–23, 2009
Paper No: HT2009-88381
... reduces the thermal resistance by 30%. With a decrease in the concentration of nano-particles in the base fluid, the performance of the system decreases as well and the total thermal resistance increases. In low powers (under 20 W), the two-phase flow pattern inside the pipes was slug-plug, but in higher...
Proceedings Papers

Proc. ASME. HT2009, Volume 2: Theory and Fundamental Research; Aerospace Heat Transfer; Gas Turbine Heat Transfer; Computational Heat Transfer, 273-277, July 19–23, 2009
Paper No: HT2009-88424
... presented in literature, referred to cylinders of one size order bigger than the platinum wire and the same slot, all parameters being equal. forced convection two-phase flow subcooling slot jet wire 1 Copyright © 2009 by ASME Proceedings of the ASME 2009 Heat Transfer Summer Conference HT2009...
Proceedings Papers

Proc. ASME. HT2008, Heat Transfer: Volume 2, 611-624, August 10–14, 2008
Paper No: HT2008-56280
... cooling heat transfer enhancement two-phase flow gas turbine blade cooling n d N o In order to address the above issues, the concept of Proceedings of 2008 ASME Summer Heat Transfer Conference Copyright © 2008 by ASME 1 environment shows that the mist/steam cooling technique could harness...
Proceedings Papers

Proc. ASME. HT2008, Heat Transfer: Volume 2, 229-232, August 10–14, 2008
Paper No: HT2008-56204
... approximation can be obtained. Vapor bubble Two-phase flow Proceedings of HT2008 C B S g layer and potential flow around the bubble. A similar solution 2 3; 1 cos ; 1 s2r r V V U V U r r r 3 in = = = + (3) Proceedings of 2008 ASME Summer Heat Transfer Conference was obtained...
Proceedings Papers

Proc. ASME. HT2008, Heat Transfer: Volume 3, 651-658, August 10–14, 2008
Paper No: HT2008-56402
... providing an insight in to the flow structures in the condenser. Thermosyphon Gas-loaded thermosyphon Heat pipe Variable conductance heat pipe VCHP Two-phase flow PIV Proceedings of HT2008 2008 ASME Summer Heat Transfer Conference e Proceedings of 2008 ASME Summer Heat Transfer Conference...
Proceedings Papers

Proc. ASME. HT2005, Heat Transfer: Volume 2, 333-342, July 17–22, 2005
Paper No: HT2005-72202
... solution in the porous wick that is stable is found to be in the funicular regime. There are two regions in the wick: a vapor-liquid two-phase region near the surface exposed to the flame and a purely liquid region deep inside the wick. The physics behind the two-phase flow driven by capillarity...
Proceedings Papers

Proc. ASME. HT2005, Heat Transfer: Volume 4, 805-810, July 17–22, 2005
Paper No: HT2005-72273
... among the three kinds of working fluids. A one-dimensional numerical simulation is carried out to describe the heat transport characteristics and the two-phase flow behavior in the closed loop SEMOS heat pipe. The numerical prediction agrees with the experimental results fairly well, when the input heat...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 1, 845-849, July 11–15, 2004
Paper No: HT-FED2004-56077
... images of the surface. turbulence free surface hydraulic jump two-phase flow image analysis Proceedings of HT- FED 2004: 2004 ASME image analysis ABSTRACT In the context of recent work by Brocchini & of the global environment. It is then relevant to investigate how the processes involved...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 4, 675-683, July 11–15, 2004
Paper No: HT-FED2004-56137
... with the larynx are calculated, and regions with a higher probability for particle deposition are identified. Quasi-two-dimensional flow two-phase flow particle deposition larynx occupational exposure Proceedings of HT-FED2004 2004 ASME Heat Transfer/Fluids Engineering Summer Conference sufficie...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 2, Parts A and B, 1339-1342, July 11–15, 2004
Paper No: HT-FED2004-56879
... is corrected using the incompressibility condition and relations between the pressure 1 Copyright © 2004 by ASME EFFECTS OF NON-DIMENSIONAL PARAMET CYLINDRICAL Mohammad Taeibi-Rahni Assistant Professor of Sharif University of Technology, Tehran, Iran. Email: Taeibi@sharif.edu P B Keywords: Two-phase Flow...
Proceedings Papers

Proc. ASME. HT2003, Heat Transfer: Volume 2, 429-434, July 21–23, 2003
Paper No: HT2003-47236
... pipe Two-phase flow Heat transfer enhancement This paper presents an experimental investigation of condensation heat transfer and pressure drop characteristics of refrigerant R-134a flowing through an annular helicoidal passage with the hydraulic diameter of 8.5 mm. The angles of helix axis...
Proceedings Papers

Proc. ASME. HT2003, Heat Transfer: Volume 2, 459-465, July 21–23, 2003
Paper No: HT2003-47300
.... However, experimental data shows that two-phase flows in microchannels are highly transient even under steady heat loads. Little work has been done to model the dynamics associated with vapor generation in microchannels. The present work simulates the periodic distribution of vapor within microchannels...