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Keywords: temperature distribution
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. November 2011, 133(4): 041003.
Published Online: September 20, 2011
... distribution in combination with a low mass flow rate and/or a high temperature level. A main reason for an irregular temperature distribution is a nonuniform flow distribution inside the solar thermal system. The paper presents an experimental investigation that analyzes the reasons and effects of partial...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2011, 133(3): 031023.
Published Online: August 17, 2011
.... , 1986 , 10 MW e Solar Thermal Central Receiver Pilot Plant: Thermal Storage Subsystem Evaluation— Final Report , SAND86-8212, Sandia National Laboratories, Livermore, CA. 03 01 2011 07 04 2011 17 08 2011 17 08 2011 energy storage power plants temperature distribution...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2011, 133(3): 031011.
Published Online: July 25, 2011
... along the axis or by varying its density at a constant thickness. The results show that these reactor concepts lead to a more uniform temperature distribution along the z-axis and a diminution of the heat losses. Thus, the reactor efficiency can increase significantly. The results of the simplified...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. November 2010, 132(4): 041016.
Published Online: October 14, 2010
... temperature distribution PV module temperature thermal modeling spectral reflectance thermal performance The working temperature of PV modules under steady ( 1 2 3 ) and dynamic ( 4 5 6 ) environmental conditions has been widely reported. Its accurate determination is relevant to predict...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. November 2009, 131(4): 041012.
Published Online: September 30, 2009
... of microencapsulated PCM layer together with an insulation panel. Two different PCMs, with melting points 26 ° C and 23 ° C , were used in the panel. Temperature distribution in the cabin was measured for four different cases. In summer, the maximum average temperature reduction achieved in the cabin was 2.5 ° C when...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2009, 131(1): 011011.
Published Online: January 8, 2009
... flowrates, a single horizontal baffle prevents the mixing and preserves the desired stratified temperature distribution in the storage tank. 29 06 2007 11 12 2007 08 01 2009 flow visualisation mixing solar absorber-convertors stratified flow tanks (containers) temperature...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2009, 131(1): 011004.
Published Online: January 6, 2009
... intercept factors with corresponding simulations, comparison of measured flux density distributions with corresponding ray-tracing predictions, and comparison of thermographically measured temperature distribution on the absorber surface with flux density distribution predicted for this surface. Examples...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. May 2008, 130(2): 021016.
Published Online: April 11, 2008
.... A computational fluid dynamic model of three options for a thermal storage tank with an immersed coiled tube heat exchanger provides insight to the role of baffles on flow structure, temperature distribution, and rate at which energy is extracted. Two baffle systems were considered, as illustrated in Fig. 1...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. May 2008, 130(2): 021013.
Published Online: March 20, 2008
.... Higher absorber temperatures are attained for a specularly reflective cavity that serves as internal infrared mirror but at the expense of lower energy transfer efficiencies. In contrast, diffuse reflecting cavity walls promote a more uniform temperature distribution around the tubular absorber...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. May 2008, 130(2): 021010.
Published Online: March 11, 2008
...Jianhua Fan; Simon Furbo Theoretical and experimental investigations of the flow and temperature distribution in a 12.53 m 2 solar collector panel with an absorber consisting of two vertical manifolds interconnected by 16 parallel horizontal fins have been carried out. The investigations...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. November 2007, 129(4): 423–430.
Published Online: May 15, 2007
..., such as those presented, are necessary for prediction of temperature distributions in BIPV panels. 24 02 2006 15 05 2007 boundary layer turbulence building integrated photovoltaics computational fluid dynamics convection finite difference methods temperature distribution Building...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Sol. Energy Eng. May 2007, 129(2): 249–252.
Published Online: March 30, 2006
....690330214 , 33 ( 2 ), pp. 274 – 281 . 15 03 2006 30 03 2006 temperature distribution stratified flow two-phase flow solar absorber-convertors It has been observed during direct steam generation (DSG) in a low power plant ( 2.24 kW ) with an absorber of steel...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2006, 128(3): 367–375.
Published Online: August 3, 2005
... equations for each horizontally settled zone. It introduces some particular flow dynamics and thermal effects into the predictions of mean airflows and temperature distributions. Different from those pressure-based zonal models applied generally to the predictions for small building rooms, it is termed...
Journal Articles
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
... yield the following correlation for the overall Nusselt number: Nu D = 0.728 ± 0.002 Ra D 0.25 , 4.0 × 10 5 ⩽ Ra D ⩽ 1.4 × 10 7 . The flow field in the enclosure is inferred from measured temperature distributions. The temperature difference that drives natural convection is also determined. The results...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Sol. Energy Eng. May 2004, 126(2): 794–800.
Published Online: May 4, 2004
... at a later stage. In Fig. 14 the temperature distribution at the beginning and end of charging and discharging, respectively, for a storage with a length of 500 m is shown. Here the oil inlet-temperature for charging was 390 ° C and for discharging 265 ° . Charging and discharging...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Sol. Energy Eng. May 2003, 125(2): 177–181.
Published Online: May 8, 2003
..., electrode porosity, and thermophysical properties of the pore-space fluid and electrode, the transient temperature distribution in the reacted zone is derived in closed-form. Subsequently, the maximum electrode temperature is readily obtained, and the maximum electrode temperature at complete discharge...