A development plan highlights the areas of technical uncertainty along with the required development effort to resolve these uncertainties. The report provides the design requirements necessary to detail the design of the receiver subsystem, a detailed description of the subsystem components, and the design methods employed to produce the design. The design is based on a 320 MWt receiver sited at Barstow, California. Incident energy is concentrated on the receiver cavity openings by a surround heliostat field.

The receiver subsystem consists of an elevated quad-cavity receiver, a concrete tower to support the receiver, riser and downcomer piping within the tower to transport the salt to and from the thermal storage sub-system, heat adsorption panels within the receiver cavities to absorb the incident radiant energy, and the pumps, tanks, piping systems, valves, controls and instrumentation necessary to provide safe and efficient operation more » of the receiver subsystem. The design is applicable to a repowered utility electric plant or to a stand-alone plant. This report presents the preliminary design of a molten salt receiver subsystem for application to solar thermal central receiver power plants.

The work done under this contract (Phase 1) consists of the definition of the requirements specification, the preliminary design of a 320-MW molten salt RS, and a fabrication development task to resolve any fabrication uncertainties, performed in sufficient detail to achieve the objectives of developing a reliable, cost-effective molten salt RS for a commercial SCRS. Volume 3 contains Appendices A through T - more » detailed analyses and supporting information.

Volume 2 presents the discussions, evaluations, and results of work done during Tasks 1 through 7. Volume 1, the Executive Summary, presents an overview of the study, including major results and conclusions along with a concise description of the RS. This report presents the results of the work done in Phase 1 of a Department of Energy (DOE)-funded project for developing a cost-effective molten salt Receiver Subsystem (RS) for a commercial-size Solar Central Receiver System (SCRS) and providing the commercial fabrication process development for molten salt receivers.

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