Archive | CRUNCH CFD News

Development of a Laser Igniter for Direct Fired SCO2 Combustor Will be Presented at ASME Turbo Expo 2022

CRAFT Tech will be presenting the development of a laser igniter for direct fired SCO2 combustors. Mr. Tim Weathers will be presenting at the 2022 ASME Turbomachinery Technical Conference & Exposition in Rotterdam, The Netherlands, to be held from June 13 to 17. Equivalence Ratio Isovolumes near 1 for 20 bar (top) and 300 bar […]

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Numerical Predictions of a 10 MWe SCO2 Compressor Will be Presented at ASME Turbo Expo 2022

CRAFT Tech will be presenting numerical predictions of a 10 MWe SCO2 compressor with test data validation using CRUNCH CFD. Dr. Ashvin Hosangadi will be presenting at the 2022 ASME Turbomachinery Technical Conference & Exposition in Rotterdam, The Netherlands, to be held from June 13 to 17. Title: Numerical Predictions of Mean Performance and Dynamic […]

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CRUNCH CFD Version 3.4.1 Released

CRAFT Tech has officially released CRUNCH CFD® v3.4.1. Please go to the Download page to access this latest version. New Features Parallel PRECRUNCH:Added viscous wall retagging to BC Tag 999 if non-hex/prism element is found adjacent to wallAdded THERMAL flag to &PRECRUNCH to verify that all BC tags in THERMAL modules have at least one […]

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CRUNCH CFD Version 3.4 Released

CRAFT Tech has officially released CRUNCH CFD® v3.4. Please go to the Download page to access this latest version. New Features New manual formatNew essential tutorial formatSolution plotting (GUI)Global setup for INCOMP multi-module cases (GUI)Parallel PRECRUNCH Improvements/Changes EPU Zones (COMP/INCOMP)Min-Max Zones (COMP/INCOMP)CO2 real fluid properties (COMP)NIST Table clusteringBC grouping (GUI)Energy calculation in flow diagnostics output […]

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Tool For Designing Direct-Fired Supercritical CO2 Oxy-Combustors Will be Presented at ASME Turbo Expo

CRAFT Tech will be presenting a high-fidelity yet numerically-efficient modeling framework using CRUNCH CFD for designing oxy-combustors in direct-fired supercritical CO2 applications. Dr. Andrea Zambon will be presenting at the 2020 ASME Turbomachinery Technical Conference & Exposition online, to be held from September 21 to 25. Title: A High-Fidelity Modeling Tool to Support the Design […]

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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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