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- W1977616863 abstract "Feasibility tests with a closed-loop volumetric gas receiver developed by Atlantis Energy Ltd, were conducted on the solar tower of the Sandia National Laboratories, Albuquerque, New Mexico (USA), in April/May, 1990. The tests demonstrated that it is possible to build receivers which are based on a novel ceramic grid absorber concept for working temperatures in excess of 850°C. Theoretical and experimental data allow further to conclude that reasonable efficiencies (84–92%) can be achieved also at radiation levels above 900 kW/m2 for both open-loop and closed-loop receiver configurations. Although the development of this technology was primarily aimed at providing receivers for solar driven chemistry, the near-term applications may be in the area of CRS power generation (or CRS cogeneration of power and heat - e.g. for seawater desalination). Atlantis started working on high solar radiation flux transfer problems back in 1978. A first volumetric receiver concept based on cascaded absorption of solar radiation with partially absorbing quartz glass elements was tested on a laboratory scale. It demonstrated also the feasibility of quartz glass as a transparent construction material - important e.g. for thermophotochemical processes. In 1988, a new volumetric ceramic grid absorber was conceived. Laboratory tests were conducted using a dish for high solar concentrations. Mean gas temperatures of 840°C were achieved at a solar flux of 1500 kW/m2. In order to test the feasibility of the concept, a larger scale 500 kW test receiver was subsequently built for testing with a heliostat field. In order to gain experience for chemical applications, a closed-cycle receiver was chosen for the tests in Albuquerque. Crucial for the success of the testing at Sandia was the necessity to develop a radiation shield capable to protect receiver structural elements from the high-intensity incident solar radiation. The project was supported by the Swiss Energy Research Foundation, the Swiss Federal Office for Education and Science, and the U.S. Department of Energy for the tests at Sandia National Laboratories." @default.
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- W1977616863 date "1991-12-01" @default.
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- W1977616863 title "Development and testing of a volumetric gas receiver for high-temperature applications" @default.
- W1977616863 doi "https://doi.org/10.1016/0165-1633(91)90060-x" @default.
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