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R. Letan
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Proceedings Papers

Radiation and Induced Convection in Ventilated Enclosures

G. Ziskind, V. Dubovsky, R. Letan
Proc. ASME. IMECE2001, Heat Transfer: Volume 5 — Computational, Aerospace and Environmental Heat Transfer, 209-213, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/HTD-24305
https://doi.org/10.1115/IMECE2001/HTD-24305
View Paper titled, Radiation and Induced Convection in Ventilated Enclosures
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Topics: Convection, Radiation (Physics), Air flow, Density, Emissivity, Engineering simulation, Flow (Dynamics), Heat transfer, Heating, Modeling
Proceedings Papers

Air-Water Transient Heat Transfer in a Stirred Tank

V. Dubovsky, G. Ziskind, R. Letan
Proc. ASME. IMECE2001, Heat Transfer: Volume 2 — Heat Transfer in Multiphase Systems, 159-165, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/HTD-24165
https://doi.org/10.1115/IMECE2001/HTD-24165
View Paper titled, Air-Water Transient Heat Transfer in a Stirred Tank
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Topics: Transient heat transfer, Water, Heat transfer, Bubbles, Natural convection, Bubbly flow, Cooling, Engineering simulation, Forced convection, Simulation
Proceedings Papers

Removal of Contaminants by Induced Air Flow Inside Structures

G. Ziskind, V. Dubovsky, R. Letan
Proc. ASME. IMECE2001, Heat Transfer: Volume 5 — Computational, Aerospace and Environmental Heat Transfer, 453-457, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/HTD-24329
https://doi.org/10.1115/IMECE2001/HTD-24329
View Paper titled, Removal of Contaminants by Induced Air Flow Inside Structures
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Topics: Air flow, Ducts, Space, Absorption, Computer simulation, Design, Engineering simulation, Flow (Dynamics), Heating, Irradiation (Radiation exposure)
Proceedings Papers

Bubble Behavior at an Uneven Wall

H. Shmueli, G. Ziskind, R. Letan
Proc. ASME. HT2016, Volume 2: Heat Transfer in Multiphase Systems; Gas Turbine Heat Transfer; Manufacturing and Materials Processing; Heat Transfer in Electronic Equipment; Heat and Mass Transfer in Biotechnology; Heat Transfer Under Extreme Conditions; Computational Heat Transfer; Heat Transfer Visualization Gallery; General Papers on Heat Transfer; Multiphase Flow and Heat Transfer; Transport Phenomena in Manufacturing and Materials Processing, V002T08A004, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: HT2016-7393
https://doi.org/10.1115/HT2016-7393
View Paper titled, Bubble Behavior at an Uneven Wall
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Topics: Bubbles, Cavities, Computer simulation, Shapes, Vortices, Cavity walls, Flow (Dynamics), Geometry, Matlab, Modeling
Proceedings Papers

Forced Convection in a Square Duct With a Wavy Wall

H. Shmueli, G. Ziskind, R. Letan
Proc. ASME. HT2013, Volume 4: Heat and Mass Transfer Under Extreme Conditions; Environmental Heat Transfer; Computational Heat Transfer; Visualization of Heat Transfer; Heat Transfer Education and Future Directions in Heat Transfer; Nuclear Energy, V004T14A014, July 14–19, 2013
Publisher: American Society of Mechanical Engineers
Paper No: HT2013-17353
https://doi.org/10.1115/HT2013-17353
View Paper titled, Forced Convection in a Square Duct With a Wavy Wall
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Topics: Ducts, Forced convection, Friction, Heat transfer, Wave amplitude, Flow (Dynamics), Large eddy simulation, Turbulence
Proceedings Papers

Incipient Flow Boiling in a Vertical Channel With a Wavy Wall

T. Netz, R. Shalem, J. Aharon, G. Ziskind, R. Letan
Proc. ASME. IHTC14, 2010 14th International Heat Transfer Conference, Volume 1, 523-529, August 8–13, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IHTC14-22809
https://doi.org/10.1115/IHTC14-22809
View Paper titled, Incipient Flow Boiling in a Vertical Channel With a Wavy Wall
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Topics: Boiling, Flow (Dynamics), Temperature, Water, Heat transfer, Computer software, Flux (Metallurgy), Heat, Reynolds number, Subcooling
Journal Articles

Scale-Up and Generalization of Horizontal-Base Pin-Fin Heat Sinks in Natural Convection and Radiation

D. Sahray, G. Ziskind, R. Letan
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. November 2010, 132(11): 112502.
https://doi.org/10.1115/1.4002032
Published Online: August 13, 2010
View Article titled, Scale-Up and Generalization of Horizontal-Base Pin-Fin Heat Sinks in Natural Convection and Radiation
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Topics: Fins, Heat sinks, Natural convection, Radiation (Physics), Heat transfer, Aluminum, Dimensions, Dimensional analysis
Proceedings Papers

Study of PCM-Based Pin-Fin Heat Sinks

V. Dubovsky, G. Barzilay, G. Granot, G. Ziskind, R. Letan
Proc. ASME. HT2009, Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Heat Transfer Equipment; Heat Transfer in Electronic Equipment, 857-863, July 19–23, 2009
Publisher: American Society of Mechanical Engineers
Paper No: HT2009-88276
https://doi.org/10.1115/HT2009-88276
View Paper titled, Study of PCM-Based Pin-Fin Heat Sinks
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Topics: Heat sinks, Computer simulation, Fins, Melting, Temperature, Aluminum, Computer software, Dimensions, Engineering simulation, Flux (Metallurgy)
Proceedings Papers

Study of Horizontal-Base Pin-Fin Heat Sinks in Natural Convection

D. Sahray, R. Magril, V. Dubovsky, G. Ziskind, R. Letan
Proc. ASME. InterPACK2007, ASME 2007 InterPACK Conference, Volume 2, 925-931, July 8–12, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2007-33356
https://doi.org/10.1115/IPACK2007-33356
View Paper titled, Study of Horizontal-Base Pin-Fin Heat Sinks in Natural Convection
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Topics: Heat sinks, Natural convection, Fins, Heat transfer, Aluminum, Computer software, Contact resistance, Dimensional analysis, Dimensions, Heat
Journal Articles

Study and Optimization of Horizontal-Base Pin-Fin Heat Sinks in Natural Convection and Radiation

D. Sahray, H. Shmueli, G. Ziskind, R. Letan
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. January 2010, 132(1): 012503.
https://doi.org/10.1115/1.3156791
Published Online: November 4, 2009
View Article titled, Study and Optimization of Horizontal-Base Pin-Fin Heat Sinks in Natural Convection and Radiation
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Topics: Fins, Heat, Heat sinks, Heat transfer, Natural convection, Radiation (Physics), Temperature, Heat flux, Computer simulation, Dimensional analysis
Proceedings Papers

Experimental Investigation of Solid-Liquid Phase Change in Cylindrical Geometry

L. Katsman, V. Dubovsky, G. Ziskind, R. Letan
Proc. ASME. HT2007, ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 2, 239-244, July 8–12, 2007
Publisher: American Society of Mechanical Engineers
Paper No: HT2007-32354
https://doi.org/10.1115/HT2007-32354
View Paper titled, Experimental Investigation of Solid-Liquid Phase Change in Cylindrical Geometry
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Topics: Geometry, Melting, Melting point, Paraffin wax, Temperature, Water, Computer simulation, Phase change materials, Rayleigh number, Transparency
Proceedings Papers

Pin-Fin Heat Sink With Horizontal Base and Blocked Edges

D. Sahray, H. Shmueli, N. Segal, G. Ziskind, R. Letan
Proc. ASME. HT2008, Heat Transfer: Volume 2, 693-698, August 10–14, 2008
Publisher: American Society of Mechanical Engineers
Paper No: HT2008-56205
https://doi.org/10.1115/HT2008-56205
View Paper titled, Pin-Fin Heat Sink With Horizontal Base and Blocked Edges
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Topics: Heat sinks, Fins, Aluminum, Computer software, Contact resistance, Dimensions, Heat, Heat transfer, Insulation, Natural convection
Proceedings Papers

Investigation of Melting in a Vertical Circular Tube: Local Heat Fluxes

H. Shmueli, G. Ziskind, R. Letan
Proc. ASME. HT2008, Heat Transfer: Volume 2, 511-515, August 10–14, 2008
Publisher: American Society of Mechanical Engineers
Paper No: HT2008-56206
https://doi.org/10.1115/HT2008-56206
View Paper titled, Investigation of Melting in a Vertical Circular Tube: Local Heat Fluxes
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Topics: Flux (Metallurgy), Heat, Melting, Computer simulation, Heat transfer, Computer software, Convection, Flow (Dynamics), Heat flux, Paraffin wax
Proceedings Papers

Experimental Investigation of Melting in Vertical Circular Tubes

L. Fraiman, E. Benisti, G. Ziskind, R. Letan
Proc. ASME. ESDA2008, Volume 4: Fatigue and Fracture; Fluids Engineering; Heat Transfer; Mechatronics; Micro and Nano Technology; Optical Engineering; Robotics; Systems Engineering; Industrial Applications, 193-198, July 7–9, 2008
Publisher: American Society of Mechanical Engineers
Paper No: ESDA2008-59224
https://doi.org/10.1115/ESDA2008-59224
View Paper titled, Experimental Investigation of Melting in Vertical Circular Tubes
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Topics: Melting, Melting point, Paraffin wax, Temperature, Water, Phase change materials, Rayleigh number, Transparency
Proceedings Papers

Effect of Fin Pitch and Height on Pin-Fin Heat Sink Performance

D. Sahray, H. Shmueli, N. Segal, G. Ziskind, R. Letan
Proc. ASME. ESDA2008, Volume 4: Fatigue and Fracture; Fluids Engineering; Heat Transfer; Mechatronics; Micro and Nano Technology; Optical Engineering; Robotics; Systems Engineering; Industrial Applications, 199-205, July 7–9, 2008
Publisher: American Society of Mechanical Engineers
Paper No: ESDA2008-59225
https://doi.org/10.1115/ESDA2008-59225
View Paper titled, Effect of Fin Pitch and Height on Pin-Fin Heat Sink Performance
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Topics: Heat sinks, Fins, Aluminum, Computer software, Contact resistance, Dimensions, Heat, Heat transfer, Natural convection, Temperature
Proceedings Papers

Experimental and Numerical Study of Mixing in a Horizontal Hot-Water Storage Tank

A. Aviv, S. Morad, Y. Ratzon, G. Ziskind, R. Letan
Proc. ASME. ES2008, ASME 2008 2nd International Conference on Energy Sustainability, Volume 2, 591-597, August 10–14, 2008
Publisher: American Society of Mechanical Engineers
Paper No: ES2008-54246
https://doi.org/10.1115/ES2008-54246
View Paper titled, Experimental and Numerical Study of Mixing in a Horizontal Hot-Water Storage Tank
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Topics: Hot water, Storage tanks, Temperature, Transients (Dynamics), Water, Computer simulation, Computer software, Flow (Dynamics), Flow visualization, Solar collectors
Journal Articles

Experimental and Numerical Study of Mixing in a Horizontal Hot-Water Storage Tank

A. Aviv, S. Morad, Y. Ratzon, G. Ziskind, R. Letan
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2009, 131(3): 031004.
https://doi.org/10.1115/1.3142801
Published Online: June 10, 2009
View Article titled, Experimental and Numerical Study of Mixing in a Horizontal Hot-Water Storage Tank
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Topics: Flow (Dynamics), Hot water, Storage tanks, Temperature, Temperature measurement, Water, Water storage, Computer simulation, Visualization, Transients (Dynamics)
Proceedings Papers

Passive Cooling of Heat Generating Cylinders in Parallel Channels

G. Nir, V. Dubovsky, Y. Weiss, J. Aharon, G. Ziskind, R. Letan
Proc. ASME. HT2005, Heat Transfer: Volume 1, 577-583, July 17–22, 2005
Publisher: American Society of Mechanical Engineers
Paper No: HT2005-72450
https://doi.org/10.1115/HT2005-72450
View Paper titled, Passive Cooling of Heat Generating Cylinders in Parallel Channels
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Topics: Cooling, Cylinders, Heat, Convection, Ducts, Temperature, Accounting, Computer simulation, Computer software, Data acquisition
Proceedings Papers

Transient Performance of a Finned PCM Heat Sink

V. Shatikian, G. Ziskind, R. Letan
Proc. ASME. InterPACK2005, Advances in Electronic Packaging, Parts A, B, and C, 137-142, July 17–22, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2005-73113
https://doi.org/10.1115/IPACK2005-73113
View Paper titled, Transient Performance of a Finned PCM Heat Sink
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Topics: Heat sinks, Transients (Dynamics), Temperature, Melting, Fins, Phase change materials, Aluminum, Computer simulation, Density, Heat
Proceedings Papers

Passive Cooling of Conducting and Insulating Heat Generating Cylinders in Enclosures With Openings

V. Tsivyan, V. Dubovsky, Y. Weiss, J. Aharon, G. Ziskind, R. Letan
Proc. ASME. HT-FED2004, Volume 1, 193-199, July 11–15, 2004
Publisher: American Society of Mechanical Engineers
Paper No: HT-FED2004-56214
https://doi.org/10.1115/HT-FED2004-56214
View Paper titled, Passive Cooling of Conducting and Insulating Heat Generating Cylinders in Enclosures With Openings
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Topics: Cooling, Cylinders, Heat, Convection, Temperature, Accounting, Cements (Adhesives), Computer simulation, Computer software, Data acquisition