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Keywords: natural convection
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. April 2020, 142(2): 021008.
Paper No: SOL-19-1240
Published Online: October 31, 2019
... and spacing between the fins, while the heat transfer and fluid flow are directed by natural convection. An inclined rectangular channel similar to the dimensions of a typical solar air heater has been considered. Three different fin configurations, namely, continuous long fins for the whole length...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. August 2014, 136(3): 031001.
Paper No: SOL-12-1254
Published Online: January 10, 2014
... air as heat removal fluid. Fluid flow and heat-transfer characteristics of natural convection between two vertical parallel walls heated from one side were investigated numerically by Moshfegh and Sandberg [ 6 ] and a mockup of a facade provided with PV elements was explored experimentally by Sandberg...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. February 2014, 136(1): 011017.
Paper No: SOL-12-1182
Published Online: November 26, 2013
...Matthew K. Zemler; Sandra K. S. Boetcher Solar thermal storage tanks typically are configured to take advantage of stratification to exchange heat by way of natural convection. In the charging process (the heat is transferred from the heat exchanger to the tank), the immersed heat exchanger...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2012, 134(1): 011014.
Published Online: November 29, 2011
... , “ Characteristics of a Turbulent Natural Convection Boundary Layer Along a Vertical Plate ,” Int. J. Heat Mass Transfer , 31 ( 8 ), pp. 1723 – 1734 . 10.1016/0017-9310(88)90284-0 29 Smolec , W. , and Thomas , A. , 1994 , “ Problems Encountered in Heat Transfer Studies of Trombe Wall ,” Energy...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2010, 132(1): 011010.
Published Online: January 4, 2010
..., especially in the state close to the critical point. Thus, natural convective flow of the supercritical carbon dioxide can be easily induced by solar heating or water cooling. Such convective flow absorbs and transports heat to water in solar collector tubes. Motivated by the above idea, an experimental...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Sol. Energy Eng. May 2009, 131(2): 024502.
Published Online: March 25, 2009
...Cynthia A. Cruickshank; Stephen J. Harrison This paper presents a simplified test method that was developed to allow preconfigured solar domestic hot water systems that use natural convection/thermosyphon heat exchangers to be characterized. The results of this test method produce performance...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. May 2006, 128(2): 178–188.
Published Online: September 6, 2005
... by natural convection and flows downward the units and the internal surface of the adjacent wall. Between 8:00 p.m. and 10:00 a.m. the heat storage units reject the accumulated heat and solidification occurs. Accordingly, the air is heated by natural convection and flows downwards. Temperature...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2006, 128(1): 83–89.
Published Online: April 2, 2005
...-1452 , 26 , pp. 641 – 648 . 21 07 2004 02 04 2005 ventilation natural convection heat radiation aerodynamics stratified flow Displacement flow has grown popular in recent years for comfort ventilation in rooms. In this type of ventilation the buoyancy forces induced...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Sol. Energy Eng. February 2005, 127(1): 21–28.
Published Online: February 7, 2005
...W. Liu; J. H. Davidson, Fellow of ASME; F. A. Kulacki, Fellow of ASME Natural convection is measured in an enclosure that represents an integral collector storage system (ICS) with an immersed tube-bundle heat exchanger. Heat transfer coefficients for bundles of 240 tubes contained in a thin...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Sol. Energy Eng. August 2005, 127(3): 421–424.
Published Online: November 1, 2004
... cooling natural convection Polymer materials may offer cost savings as substitutes for metal absorber plates in traditional collector systems or as part of all-polymer systems. In fact, flat-plate collectors that use polymeric absorbers are reaching the market in Europe ( 1 ). It is possible...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Sol. Energy Eng. May 2004, 126(2): 702–709.
Published Online: May 4, 2004
...W. Liu; J. H. Davidson, Fellow of ASME,; F. A. Kulacki, Fellow of ASME, Natural convection heat transfer coefficients for a rectangular array of eight tubes contained in a thin enclosure of aspect ratio 9.3:1 and inclined at 30 deg to the horizontal are measured for a range of transient operating...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Sol. Energy Eng. May 2003, 125(2): 190–194.
Published Online: May 8, 2003
...Pai-Chuan Liu The knowledge of steady-state temperature distribution is known a priori for natural convection stability analysis. The present study determines the temperature profiles in an infinite horizontal layer of fluid filled with saturated porous medium confined between two convective...
Journal Articles