1Introduction 1.1Status and Perspective of Nuclear Energy in China 1.2Nuclear Power Technology in China 1.3GEN-Ⅳ and SCWR 1.4Status of SCWR R&D 1.5Proposal of SCWRM 2SCWR-M Core Design and Analysis 2.1Features of SCWR-M Core 2.1.1Main criteria considered in SCWR core design 2.1.2Features of SCWR-M core 2.2Structures of Fuel Assemblies 2.3Design Analysis Approaches 2.3.1Neutronic approach 2.3.2Thermal hydraulic code 2.3.3Coupled approach 2.4Design Analysis of Mixed Core (Results) 2.4.1Core results (homogeneous fuel assembly) 2.4.2Pin wise power distribution 2.4.3Core and sub-channel analysis of the fresh core 2.4.4Improvement of the SCWR-M core 2.5Summary 3Safety System Design and Analysis 3.1Safety Requirements 3.2Configuration of Safety Systems 3.3Numerical Tools for Safety Analysis 3.3.1ATHLETSC code development 3.3.2ATHLET-SC code verification and validation .. 3.3.3Summary of the code development 3.4Results of Safety Analysis:... 3.4.1Initial condition and assumptions 3.4.2LOFA analysis of SCWR-M 3.4.3Key parameters analysis during LOFA 3.4.4LOCA analysis of SCWR-M 3.5Remarks for Future R&D Needs 4SCWR Thermal-Hydraulics 4.1Introduction 4.2Heat Transfer 4.2.1General features 4.2.2Numerical analysis 4.2.3Experimental studies 4.2.4Prediction methods 4.3Experimental Techniques Using Surrogate Fluids 4.4Flow Stability 4.4.1Static instability 4.4 2Dynamic instability 5New Grade Materials for SCWR 5.1The Candidate Structural Materials for SCWR 5.2Design and Fabrication of New Grade Cladding Materials 5.2.1Processing of ODS steels 5.2.2Microstructural observation 5.2.3Mechanical property 5.3SCW Corrosion Performance 5.3.1Material and methods 5.3.2Corrosion rate 5.3.3Surface oxide analysis 5.3.4Corrosion mechanism 5.3.5SCC susceptibility Summary Reference SUBJECT INDEX