Abstract
This research program is divided into three tasks. Task 1 (design studies): the objectives of this task are to: (1) evaluate full-scale, direct- and indirect-fired regenerative air heater systems for use in MHD power plants; (2) support testing of refractory materials, hot gas valves, and design concepts; (3) support design of a 5 MW test heater. Task 2 (design support tests): the objectives of this task are to: (1) support design of a 5 MW test heater; (2) identify and evaluate life of promising refractory materials for use in MHD heaters; (3) determine operating conditions and bed geometry (hole size, web thickness) which permit operation without clogging of heater passages due to accumulations of seed/slag or slag alone, (4) test valves for use in hot gas streams which are laden with seed/slag or slag alone. Task 3 (vertical slice test bed): the objective of this task is to provide a preliminary design of a test heater which is a vertical slice of a full-scale heater. It will be sized for a thermal input of 5 MW. Testing with hot gas streams containing seed/slag or slag alone will be accommodated in order to simulate both direct- and indirect-firing. Progress on each of these tasks is described. (WHK)
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