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  • 1. GASFLOW Code
    • 1.1. Overview
    • 1.2. Code Approach
    • 1.3. Code Features
    • 1.4. Graphical User Interface
    • 1.5. Code V&V
    • 1.6. Application Highlights
    • 1.7. Publications
    • 1.8. Current Activities
  • 2. Tutorials
    • 2.1. Overview
    • 2.2. Sod's Shock Tube Problem
    • 2.3. Mesh Generation from CAD Models
    • 2.4. 2D Lid-driven Cavity Flow
    • 2.5. Hydrogen Diffusion into Air in a 1D Duct
    • 2.6. Supersonic Flow over a Forward-facing Step
    • 2.7. Vented Explosion of Premixed Hydrogen-Air Mixtures
    • 2.8. Transient Laminar Jet Flow at Low Mach Number Regime
  • 3. Brief User Guide
    • 3.1. Overview
    • 3.2. General User Guidance
    • 3.3. Unit System and Files
    • 3.4. Mesh Generation
    • 3.5. Geometry Definition
    • 3.6. Numerical Control
    • 3.7. Gas Species and Properties
    • 3.8. Initial and Boundary Conditions
    • 3.9. Solid Heat Structures
    • 3.10. Physical Models
    • 3.11. Restart and Output
    • 3.12. GASFLOW Parallelization
  • 4. Pre- and Post-Processing Tools
    • 4.1. GASVIEW
    • 4.2. Pyscan
    • 4.3. Create3D
  • 5. Verification and Validation
    • 5.1.Overview
    • 5.2. Fluid Dynamics
      • [AS-FD 1] Steady-State and Laminar Flow Startup
      • [AS-FD 2] Transient Compressible Flow
      • [AS-FD 3] Diffusion of Hydrogen into Air
      • [AS-FD 4] Flow past a Rectangular Block
      • [AS-FD 5] 1D Flow with an Orifice
      • [ED-FD 1] Incompressible Laminar Flow in a Lid-driven Cavity
      • [ED-FD 2] Stationary Turbulent Channel Flow
      • [ED-FD 3] Turbulent Flow between Two Parallel Plates
      • [ED-FD 4] Flow over Backward-Facing Step
      • [ED-FD 5] Transient Supersonic Flow at Mach 3 over a Forward-facing Step
      • [ED-FD 6] Large Eddy Simulations of the Turbulent Jet Flow
      • [ED-FD-7] Hydrogen Turbulent Dispersion in Nuclear Containment Compartment
      • [ED-FD 8] Buoyant Jet from Unintended Hydrogen Release
      • [ED-FD 9] Radiolytic Gas Accumulation in a Pipe
      • [ED-FD 10] Supersonic Flow at Mach 2 over a Backward Facing Step
    • 5.3. Combustion
      • [ED-CM 1] BOM Spherical Combustion Chamber
      • [ED-CM 2] SNL Flame Acceleration Measurement Facility Experiment
      • [ED-CM 3] Hydrogen Deflagration in a Multi-compartment System
      • [ED-CM 4] Hydrogen Jet Fire in a Compartment with Venting Hole
      • [ED-CM 5] Hydrogen-Air Fast Deflagration in ENACCEF Facility
      • [ED-CM 6] Detonation of Premixed H2-Air Mixture in a Hemispherical Balloon
      • [ED-CM 7] H2 Deflagration at a Refueling Station
      • [ED-CM 8] Methane-Air Explosion in LLEM
      • [ED-CM 9] Hydrogen-Methane Combution in a 20 L Spherical Vessel
    • 5.4. Heat and Mass Transfer
      • [AS-HT 1] Steady-State Heat Transfer through a Wall
      • [AS-HT 2] Pressure-Volume Work Term 1: Equilibrium Case
      • [AS-HT 3] Thermodynamic Benchmarks
      • [AS-HT 4] Uniform Energy Addition to Stagnant Fluid
      • [ED-HT 1] Natural Convection in an Air-filled Square Cavity
      • [ED-HT 2] Validation of the condensation model with COPAIN facility
      • [ED-HT 3] Heat and mass transfer of a thin film model in a channel
      • [ED-HT 4] Validation of the Film Model in the Integral Test Facility for Passive Containment Cooling
      • [ED-HT 5] Stratification Erosion Benchmark
      • [ED-HT 6] Battelle Containment HYJET Test JX7
      • [ED-HT 7] Battelle GX Tests
      • [ED-HT 8] Tests in ThAI Facility
      • [ED-HT 9] HDR Tests
      • [ED-HT 10] Phebus Thermal Hydraulic Tests
      • [ED-HT 11] Test Tosqan ISP47
      • [ED-HT 12] Test MISTRA ISP47
      • [ED-HT 13] Panda SETH Test Program
    • 5.5. Multiphase Flow
      • [AS-MP 1] Particle Terminal Velocity
      • [AS-MP 2] Water droplet evaporation
      • [ED-MP 1] Spray Single Droplet Test
      • [ED-MP 2] Spray Droplets Test 113 at IRSN TOSQAN
      • [ED-MP 3] Spray Droplets Test 101 at IRSN TOSQAN
  • 6. APPLICATION HIGHLIGHTS
    • 6.1. H2 Fuel Cell Vehicle Accident in Tunnel
    • 6.2. Hydrogen Explosion in a Refueling Station
    • 6.3. Hydrogen Explosion at Fukushima Accident
    • 6.4. Methane Explosion in the Roadway of a Coal Mine
    • 6.5. Aerosols and Droplets
      • 6.5.1. Coronavirus Aerosol Transmission
      • 6.5.2. Water Droplets
  • 7. Ongoing Development and Enhancements
    • 7.1. Combustion Modeling
      • 7.1.1. Multi-step Global Methane Combustion Models
        • 7.1.1.1. One-step Reaction Mechanism
        • 7.1.1.2. Two-step Reaction Mechanism
        • 7.1.1.3. Three-step Reaction Mechanism
        • 7.1.1.4. Four-step Reaction Mechanism
        • 7.1.1.5. Five-step Reaction Mechanism
        • 7.1.1.6. FAQ
      • 7.1.2. Laminar Flame Speed Correlations for Methane-air Mixtures
        • 7.1.2.1. Stone's Correlation
        • 7.1.2.2. Elia's Correlation
        • 7.1.2.3. Takizawa's Correlation
        • 7.1.2.4. Liao's Correlation
      • 7.1.3. Turbulent Flame Speed Correlations for Methane-air Mixtures
      • 7.1.4. Correction of Effective Turbulent Burning Velocity for Lean Hydrogen-air Mixtures
      • 7.1.5. Induction Time Model
      • 7.1.6. Detailed Chemical Kinetic Modeling
      • 7.1.7. Jet Flame Modeling
    • 7.2. Discrete Particle Modeling
      • 7.2.1. Particle mass in user-defined volumes - volpardef
      • 7.2.2. Particle injection from ring shaped volumes
    • 7.3. Heat Transfer Modeling
      • 7.3.1. Time-dependent tables for heat flux and heat transfer coefficient in sinkdef
      • 7.3.2. Thermal Radiation Model for Water Vapor and Carbon Dioxide
  • 8. INPUT FILE EXAMPLES
    • 8.1. Overview
    • 8.1. Fluid Dynamics
  • 8.2. Combustion
  • 8.3. Heat Transfer
  • 8.4. Multiphase Flow
  • 8.5. Applications
  • 9. Frequently Asked Questions
    • 9.1. How to set up models for the flashing of pressurized water?
  • 9.2. How to run GASFLOW on Windows?
  • 9.3. How to export/import WSL distribution?
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On this page
  • 1) Fluid Dynamics
  • AS-FD: Analytical Solutions-Fluid dynamics
  • ED-FD: Experimental Data - Fluid dynamics
  • 2) Combustion
  • ED-CM: Experimental Data - Combustion
  • 3) Heat and Mass Transfer
  • AS-HT: Analytical Solutions - Heat and Mass Transfer
  • ED-HT: Experimental Data - Heat and Mass Transfer
  • 4) Multiphase Flow
  • AS-MP: Analytical Solutions- Multiphase Flow
  • ED-MP: Experimental Data - Multiphase Flow

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  1. 5. Verification and Validation

5.1.Overview

Previous4.3. Create3DNext5.2. Fluid Dynamics

Last updated 8 months ago

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1) Fluid Dynamics

AS-FD: Analytical Solutions-Fluid dynamics

Cases
Description

AS-FD 1

AS-FD 2

AS-FD 3

AS-FD 4

AS-FD 5

AS-FD 6

AS-FD 7

AS-FD 8

AS-FD 9

AS-FD 10

AS-FD 11

AS-FD 12

AS-FD 13

ED-FD: Experimental Data - Fluid dynamics

Cases
Description

ED-FD 1

ED-FD 2

ED-FD 3

ED-FD 4

ED-FD 5

ED-FD 6

ED-FD 7

ED-FD 8

ED-FD 9

2) Combustion

ED-CM: Experimental Data - Combustion

Cases
Description

ED-CM 1

ED-CM 2

ED-CM 3

ED-CM 4

ED-CM 5

ED-CM 6

ED-CM 7

ED-CM 8

ED-CM 9

3) Heat and Mass Transfer

AS-HT: Analytical Solutions - Heat and Mass Transfer

Cases
Description

AS-HT 1

AS-HT 2

AS-HT 3

AS-HT 4

ED-HT: Experimental Data - Heat and Mass Transfer

Cases
Description

ED-HT 1

ED-HT 2

ED-HT 3

ED-HT 4

ED-HT 5

ED-HT 6

ED-HT 7

ED-HT 8

ED-HT 9

ED-HT 10

ED-HT 11

ED-HT 12

ED-HT 13

4) Multiphase Flow

AS-MP: Analytical Solutions- Multiphase Flow

Cases
Description

AS-MP 1

AS-MP 2

ED-MP: Experimental Data - Multiphase Flow

Cases
Description

ED-MP 1

ED-MP 2

ED-MP 3

Flow through a Variable Area Expansion
Flow through a Contraction
Flow with Friction in Constant-Area Ducts - 1
Flow with Friction in Constant-Area Ducts - 2
Specified Mass-Flow-Rate Boundary-Condition Function
Filter with Turbulent Flow Losses
Filter with Laminar Flow Losses
Filter with Laminar plus Turbulent Flow Losses
Steady-State and Laminar Flow Startup
Transient Compressible Flow
Diffusion of Hydrogen into Air
Flow past a Rectangular Block
1D Flow with an Orifice
Incompressible Laminar Flow in a Lid-driven Cavity
Stationary Turbulent Channel Flow
Turbulent Kinetic Energy
Turbulent Flow over Backward-facing Step
Transient Supersonic Flow at Mach 3 over a Forward-facing Step
Turbulent Jet Flows
Hydrogen Turbulent Dispersion
Buoyant Jet from Unintended Hydrogen Release
Radiolytic gas accumulated in Hamaoka pipe
BOM Spherical Combustion Chamber
SNL Flame Acceleration Measurement (FLAME) Facility Experiment
Hydrogen Slow Deflagration in THAI HD-44 Experiment
Hydrogen Jet Fire in a Compartment with a Venting Hole
Hydrogen Fast Deflagration in the ENACCEF Facility
Detonation of Premixed H2-Air Mixture in a Hemispherical Balloon
Hydrogen Explosion at a Refueling Station
Methane Explosion in the LLEM Experiment
Hydrogen-methane Combustion in a 20 L Explosion Vessel
Steady-State Heat Transfer through a Wall
Pressure-Volume Work Term 1: Equilibrium Case
Thermodynamic Benchmarks
Uniform Energy Addition to Stagnant Fluid
Natural Convection in an Air-filled Square Cavity
Convection Heat Transfer and Condensation in the COPAIN Facility
Heat and Mass Transfer of a Thin Film Model in a Channel
Water Film in the Integral Test Facility
Stratification Erosion Benchmark
HYJET Test JX7 in Battelle Containment
Thermal Hydraulic Tests in Battelle Facility
Thermal Hydraulic Tests in ThAI Facility
Thermal Hydraulic Tests in HDR Facility
Thermal Hydraulic Tests in PHEBUS Facility
Thermal Hydraulic Tests (ISP47) in TOSQAN Facility
Thermal Hydraulic Tests (ISP47) in MISTRA Facility
Thermal Hydraulic Tests (SETH) in PANDA Facility
Particle Terminal Velocity
Single Water Droplet Evaporation in Stagnant Air
Heat and Mass Transfer of Single Water Droplet in CARAIDAS Test
Spray Droplets Momentum Exchange in IRSN TOSQAN Test-113
Spray Droplets Heat Exchange in IRSN TOSQAN Test-101