Next: *SPECIFIC HEAT Up: Input deck format Previous: *SOLID SECTION Contents

##
*SPECIFIC GAS CONSTANT

Keyword type: model definition, material

With this option the specific gas constant of a material can be defined. The specific gas constant is required for a calculation in which a gas dynamic network is included. The specific gas constant is defined as

| (357)

where JkmolK is the universal gas constant and is the molecular weight of the material. The specific gas constant is temperature independent.

First line:

- *SPECIFIC GAS CONSTANT

Following line:

- Specific gas constant.

    Example:

    *SPECIFIC GAS CONSTANT
    287.

defines a specific gas constant with a value of 287. This value is appropriate for air if Joule is chosen for the unit of energy, kg as unit of mass and K as unit of temperature, i.e. JkgK.

Example files: linearnet, branch1, branch2.