Integrated Solar Thermochemical Reaction System (Final Report)

Abstract

............................................................................................................................................ iii Acronyms and Abbreviations ............................................................................................................ iv 1.0 Introduction ............................................................................................................................. 1.1 2.0 Summary and Conclusions ...................................................................................................... 2.1 2.1 Technical Progress .......................................................................................................... 2.1 Advances in Performance and Cost...................................................................... 2.2 2.2 Follow-on Work .............................................................................................................. 2.4 3.0 System Evaluation and Optimization ...................................................................................... 3.1 3.1 System Evaluation and Optimization .............................................................................. 3.1 Gas Turbine Technoeconomics Evaluation .......................................................... 3.2 Hydrogen Production Technoeconomics Evaluation ........................................... 3.3 4.0 Solar Thermochemical Reaction System Development .......................................................... 4.1 4.1 Reaction System Design .................................................................................................. 4.1 General Design Approach .................................................................................... 4.1 Reactor-Receiver Energy Balance Analysis ......................................................... 4.3 Finite Element Reactor Modeling ........................................................................ 4.4 Catalyst Durability Studies ................................................................................. 4.13 4.2 Reaction System Fabrication ......................................................................................... 4.17 4.3 On-Sun Performance Testing ........................................................................................ 4.22 Reactor Test Stand Development ....................................................................... 4.22 On-Sun Test Activities ....................................................................................... 4.26 On-Sun Test Technical Results .......................................................................... 4.28 5.0 Manufacturing Development ................................................................................................... 5.1 5.1 Approach ......................................................................................................................... 5.1 5.2 Overview of Phase 1 Manufacturing Development ........................................................ 5.1 Manufacturing Development ................................................................................ 5.1 Solar Thermochemical Reaction System Cost ..................................................... 5.2 Cost Modeling of the HTR Heat Exchanger ........................................................ 5.3 Alternative HTR Design Concept ........................................................................ 5.3 Process Development Vehicles ............................................................................ 5.4 5.3 Overview of Phase 2 Manufacturing Development ........................................................ 5.4 Down Select Manufacturing Processes ................................................................ 5.4 Cost Modeling ...................................................................................................... 5.5 Technology Development Vehicles (TDV) ......................................................... 5.5 5.4 Overview of Phase 3 Manufacturing Development ........................................................ 5.5 Reactor and HTR Heat Exchanger Cost Models .................................................. 5.5