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Spill drag map

A spill drag map is used to define the spill drag of the intake and is defined by a single table. The format of a table is described in Map table format.

Map Type Indicator Map Title

↓                  ↓

99                 Arbitrary Text (e.g. Spill Coefficients as function of Mach and Capture Ratio)

Reynolds correction data

↓

Reynolds: RNI=0.1 f=1 RNI=1 f=1

Table Content Keyword

↓

Spillcoeffs

 4.00800    0.0    0.2    0.4    0.6

     0.8    1.0    2.0

 0.00000   1.00   0.64   0.36   0.16

    0.04   0.00   0.00

 1.00000   1.28   0.88   0.58   0.31

    0.13   0.00   0.00

 2.00000   1.55   1.20   0.87   0.58

    0.28   0.00   0.00

<Table with Mach=Argument, Capture Ratio=Parameter, Spill drag coefficient(Cd_spill)=Function Value>

 

Afterbody drag map

An afterbody drag map is used to define the drag of the exit and is defined by a single table. The format of a table is described in Map table format.

Map Type Indicator Map Title

↓                  ↓

99                 Arbitrary Text (e.g. AftBody Coeffs as func. of Mach and NPR)

Reynolds correction data

↓

Reynolds: RNI=0.1 f=1 RNI=1 f=1

Table Content Keyword

↓

Aftbodycoeffs

<Table with Mach=Argument, Nozzle Pressure Ratio=Parameter, Afterbody drag coefficient(Cd_aft)=Function Value>