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Adv. Rx. Research (KAIST MMR)
Adv. Rx. Research (KAIST MMR)
Motivation
IMO CO2 regulation requires replacement of diesel engines.
MMR (10 MWe) proposed as new marine propulsion system.
Key Features
Transportable modular reactor (7 m x 3.8 m, 154 tons).
Direct Supercritical CO2-cooled fast reactor.
Long-life core without fuel reloading.
Marine Application
Simple recuperated sCO2 Brayton cycle (10 MWe).
High-speed ALPS generator (2.5–3.0 MW per unit).
Four-part power turbine system.
Control & Performance
Compressor inlet temp, turbine bypass, inventory control.
Ramp rate: 100% → 5% → 100% at 10%/min.
Validated with ABC test loop & experimental data.
KAIST-MMR Concept diagram
Cycle layout
Ramp down and Ramp up (100%→5% →100%)
Adv. Rx. Research (MSR)
Adv. Rx. Research (MSR)
KMSR PIRT (Phenomena Identification and Ranking Table)
Pre-PIRT study to support code validation for safety and performance analysis
Accident scenarios were defined, phenomena were listed by scenarios, and a ranking table was developed based on FOM
KAIST-MMR Concept diagram
Fuel Salt Loss-of-Flow Scenario
Importance and Knowledge-Level Ranking Table
Next-generation Multipurpose high-power electricity production
Thermal equilibrium optimization of MSR intermediate heat transfer system / Selection of intermedeiate heat exchanger candidates.
Transient analysis of the optimized intermdediate heat transfer system, evaluated using the GAMMA+ code, coupled with an air Brayton cycle
Overall System Diagram of MSR
Intermediate Heat Transfer System
Adv. Rx. Research (HTGR)
Adv. Rx. Research (HTGR)
HTGR Plenum CFD
Steady-state CFD of the upper and lower plenum to develop the methodology for domestic 90 MWth HTGR
HTGR LCOH(Levelized cost of Heat) Optimization Analysis
Thermodynamic simulation (He–steam/steam–steam), exergy analysis, equipment sizing, and CAPEX / OPEX costing
Adv. Rx. Research (GPT)
Adv. Rx. Research (GPT)
(Gas-cooled Pressure Tube reactor for Marine Propulsion)
CANDU & UK AGR motivate reactor coupling with sCO2 power cycle
Whole Core
Single Fuel Bundle & Pin
CANDU-derived
Pressure tube instead of vessel
Heavy water moderator
UK AGR-derived
Fuel pin and bundle geometry
Fuel & Cladding material
CO2 as coolant
GPT-Marine System Layout
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