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Keywords: heat losses
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. October 2020, 142(5): 051012.
Paper No: SOL-19-1386
Published Online: March 26, 2020
.... An improved mathematical model to evaluate the performance of the solar-operated LTDSE has been developed by incorporating the top heat loss coefficient correlation with the finite-time thermodynamic model of the Stirling engine. In order to realize the internal imperfections of the thermodynamic Stirling...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Sol. Energy Eng. February 2012, 134(1): 014502.
Published Online: November 29, 2011
.... A brief summary of solar energy source and heat transfer equations for the Olympic pools are given. An Olympic swimming pool is assumed to be in different cities, and energy losses are calculated. For our sample Olympic pool, convective heat loss obtained is −3.86 kW and evaporative heat loss obtained...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2011, 133(3): 031019.
Published Online: July 28, 2011
.... The test results confirm the full functionality of the storage subsystem, the ability to perform cycling at high discharge heat rates and relatively low heat losses, supporting the view that the technology represents a promising basis for up-scaled implementations. Measurement data and simulation results...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2010, 132(3): 031006.
Published Online: June 14, 2010
... on operating experience it has gained over the last two decades. Recently, researchers found that trough plants that use organic heat transfer fluids (HTFs) such as Therminol VP-1 are experiencing significant heat losses in the receiver tubes. The cause has been traced back to the accumulation of excess...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. May 2008, 130(2): 021007.
Published Online: March 10, 2008
...Eckhard Lüpfert; Klaus-J. Riffelmann; Henry Price; Frank Burkholder; Tim Moss The heat loss of a receiver in a parabolic trough collector plays an important role in collector performance. A number of methods have been used to measure the thermal loss of a receiver tube depending on its operating...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Sol. Energy Eng. February 2005, 127(1): 29–36.
Published Online: February 7, 2005
... the indicated efficiency reduces because of the increase in the heat loss due to water vaporization and condensation processes. Contributed by the Solar Energy Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF SOLAR ENERGY ENGINEERING . Manuscript received...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Sol. Energy Eng. November 2004, 126(4): 1101–1104.
Published Online: November 18, 2004
... on top of the collector. This is an initial phase of the work and only winds aligned with the solar collector are investigated. In other words no influence of lateral winds is accounted for. The first experimental results proved very encouraging. It was observed a 12% heat-loss reduction in comparison...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Sol. Energy Eng. May 2004, 126(2): 812–818.
Published Online: May 4, 2004
...Viorel Badescu A solar stirling engine based on a horizontal selective flat-plate converter is analyzed in this work. A detailed model for the heat losses towards the atmosphere is presented. The engine’s output power is maximised numerically. The analysis is based on meteorological data measured...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Sol. Energy Eng. February 2003, 125(1): 2–12.
Published Online: January 27, 2003
... May 2002 27 01 2003 thermal energy storage optimal control ice power consumption load forecasting heat losses economics Ice storage is a method of shifting cooling loads from on-peak periods when electrical energy and demand costs are high, to off-peak periods when the cost...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Sol. Energy Eng. August 2002, 124(3): 311–314.
Published Online: August 1, 2002
..., conductive, and radiative losses toward the ambient. It is important to assess the physical values of the vapor and the condensed water at the actual working conditions temperature. During evaporation the water in the basin gets colder due to evaporation and heat loss to the ambient. In order to maintain...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Sol. Energy Eng. August 2002, 124(3): 256–261.
Published Online: August 1, 2002
... anemometer/resistance thermometer measurements, to determine the heat loss to the air stream over the plate as a function of wind speed, suction velocity, and plate geometry. Both attached and separated flow regimes were observed, and the criterion for flow attachment was determined to be Re V 0 , P ⩾ 6.93...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Sol. Energy Eng. February 2002, 124(1): 51–54.
Published Online: June 1, 2001
..., like CPCs full or truncated and it permits the glazing of the receiver in order to reduce heat losses. For small acceptance angles, these advantages are more relevant, but end-mirrors perpendicular to the trough and an east-west orientation are required. The main disadvantage of the new concentrator...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Sol. Energy Eng. August 2001, 123(3): 200–210.
Published Online: March 1, 2001
... that the overall heat loss coefficient is constant. In other words, the temperature difference between the panel and the environment is linearly related to the heat flux on the panels (solar irradiance). The heat transfer characteristics of a rack-mounted PV module and a BIPV module can be quite different...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Sol. Energy Eng. February 2001, 123(1): 18–29.
Published Online: December 1, 2000
...Pirawas Chuangchid; Moncef Krarti General semi-analytical solutions for the steady-state heat conduction problems for circular and three-dimensional rectangular slab-on-grade floors with uniform insulation are presented. The soil temperature field, and the total slab heat loss are presented...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Sol. Energy Eng. May 2000, 122(2): 49–55.
Published Online: March 12, 2000
... concepts into potential future ultra-high-power solar thermal systems. thermoelectric conversion thermoelectric devices space vehicle power plants heat losses solid electrolytes alumina 25 Mar 1999 12 Mar 2000 Contributed by the Solar Energy Division of The American...