Distribution Lists.............................................................................................................. ii Acknowledgements................................................................................................................... iv Foreword................................................................................................................................ v Summary ................................................................................................................................ 1 I. Introduction....................................................................................................................... 5 II. System Description......................................................................................................... 5 2.1 Distributed Generation ................................................................................... 8 2.1.1 Collector Subsystem............................................................................................. 11 2.1.2 Brayton Engine Subsystem ........................................................................... 14 2.1.3 Electric Power Collection................................................................................ 17 2.2 Central Generation ............................................................................................ 19 2.2.1 Collectors...............................................................................................................20 2.2.2 Energy Transport ............................................................................................ 21 2.2.3 Rankine Engine...................................................................................................... 28 III. Subsystem Performance Characteristics .............................................................. 29 3.1 Parabolic Dish Collector.....................................................................................29 3.1.1 Performance...............................................................................................................29 3.1.2 Collector Cost......................................................................................................33 3.2 Energy Transport ................................................................................................ 41 3.2.1 Fluid Transport......................................................................................................41 3.2.1.1 Analytical Approach.........................................................................................41 3.2.1.2 Pipe Network and Cost Data.................. .....................................................45 3.2.1.3 Economic Performance ............................................................................... 51 3.2.1.4 Initial Energy Investment............................................................................56
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