News & Events

Performance Prediction of JAXA’s LE-9 Upper & Lower Combustion Chambers Presented at 2019 Joint Propulsion & Energy Forum

Dr. Yu Daimon recently presented a performance analysis of JAXA’s LE-9 upper and lower combustion cambers using CRUNCH CFD at the 2019 Joint Propulsion and Energy Forum. The LE-9 will used as the first-stage engine for JAXA’s flagship H3 launch vehicle. Dr. Daimon and his team used CRUNCH CFD’s multi-physics capabilities to perform a fully-coupled […]

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JAXA Presented Simulation of Unshrouded Impeller In Liquid Rocket Pumps At Propulsion & Energy Using CRUNCH CFD

Dr. Hideyo Negishi (JAXA) recently presented at the 2019 AIAA Propulsion and Energy Forum titled: “Numerical Study of Tip Clearance Effects in a Centrifugal Pump with Unshrouded Impeller for Liquid Rocket Engines.” JAXA used CRUNCH CFD to model a full-stage LE-X liquid hydrogen pump. Abstract: Using an unshrouded impeller in liquid rocket pumps is a […]

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CRUNCH CFD Version 3.3 Released

CRAFT Tech has officially released CRUNCH CFD® 3.3. Please go to the Download page to access this latest version. New Features Flamelet Generated Manifolds (FGM) Table Lookup (COMP) NIST Standard Reference Data Table Lookup (COMP) New workflow and user interface for pre and postprocessing GUI multi-module load balancing Upgraded unsteady time-averaging data processing Improvements/Changes Rotational […]

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Supercritical CO2 Presentation At ASME Turbo Expo

Dr. Ashvin Hosangadi will be presenting at the ASME 2018 Turbomachinery Technical Conference & Exposition in Oslo, Norway. The presentation is titled: “Numerical Simulations of CO2 Compressors at Near-Critical and Sub-Critical Inlet Conditions.” Monday, June 11, 2018, 14:00 PM-15:30 PM Abstract snippet: Supercritical CO2 (SCO2) power cycles take advantage of liquid-like density of CO2 at […]

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JAXA Conducts Detailed Examination of The Flowfield For an Unshrouded Impeller Using CRUNCH CFD

Dr. Hideyo Negishi presented “Numerical Analysis of Unshrouded Impeller Flowfield in the LE-X Liquid Hydrogen Pump” at the 2017 Joint Propulsion Conference. CRUNCH CFD was used by JAXA to perform the 3D, unsteady RANS simulation of the pump.   Abstract: The unshrouded impeller applicable to liquid rocket pumps is a new technology compared to the […]

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JAXA Uses CRUNCH CFD To Predict Film Cooling Performance For A Full-Scale Liquid Rocket Engine

At the 2017 Joint Propulsion Conference, Dr. Yu Daimon presented “Film Cooling Performance Analysis of a Full-scale Liquid Rocket Engine Combustion Chamber Based on a Coupled Combustion and Heat Transfer Simulation.” Japan Aerospace eXploration Agency (JAXA) has investigated CFD techniques to predict regenerative cooling performance since 2009 using the unstructured and density-based solver CRUNCH CFD, […]

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CRUNCH CFD Version 3.2 Released

CRAFT Tech has officially released CRUNCH CFD® 3.2. Please go to the Download page to access the newest version. New Features GUI graphing interface – residuals, boundary flow data, surface forces, and moments Decoupled scalar (COMP) RNG turbulence model (INCOMP/COMP) Local surface roughness model (INCOMP/COMP) Volume source UDF (COMP) Improvements/Changes Higher-Order interpolation for TF BC […]

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CRUNCH CFD Version 3.1 Released

CRAFT Tech has officially released CRUNCH CFD® 3.1. Please go to the Download page to access the newest version. New Features Flamelet model with heat-loss (COMP) NLTE model for compressible flows (COMP) Global surface roughness model (COMP/INCOMP) GUI messaging interface for centralized information display and user input validation Improvements/Changes Create plot files from restart RSN […]

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New CRUNCH Developments Presented at Propulsion Energy 2015

Several representatives from CRAFT Tech will be participating and presenting at the 51st AIAA/SAE/ASEE Joint Propulsion Conference, July 27-29 in Orlando, Florida. Dr. Vineet Ahuja will be chairing the Propellant Storage and Management sessions I and II on Monday and Wednesday. Dr. Kevin Brinckman will present “Impinging Fuel Injector Atomization and Combustion Modeling” on Monday, […]

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