## Abstract Auxiliary power units (APUs) provide electrical power, with favourable efficiency and independent of the drive system, for a variety of mobile applications. The demand for electricity increases with increasing demand for convenience and safety functions, as well as for control and regul
97/02464 Assessment of strategic approaches to the commercialization of fuel cells
- Publisher
- Elsevier Science
- Year
- 1997
- Weight
- 205 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0140-6701
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✦ Synopsis
The authors report the development of a valve for handling a hot fluid material such as the coal dust formed in the smelting of direct reduced Fe ore. In this system. those parts of the valve body in direct contact with the material have douhle walls which contain a nonfluid medium such as kaowool between them for heat insulating the walls. Those parts which do not have direct contact, however, are cooled with a fluid medium such as water.
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