Based on the original Rocket Workbench on SourceForge in CVS at:
https://sourceforge.net/projects/rocketworkbench
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60 lines
1.0 KiB
60 lines
1.0 KiB
#ifndef conversion_h
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#define conversion_h
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/* pressure units */
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enum
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{
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ATM,
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PSI,
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BAR,
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KPA
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};
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/* Transform calories to joules */
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#define CAL_TO_JOULE 4.1868
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/* Transform pound/(cubic inch) to gram/(cubic centimeter) */
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#define LBS_IN3_TO_G_CM3 27.679905
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/* Transform different pressure units */
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#define ATM_TO_PA 101325.0
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#define ATM_TO_PSI 14.695949
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#define ATM_TO_BAR 1.01325
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#define BAR_TO_PSI 14.503774
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#define BAR_TO_ATM 0.98692327
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#define PSI_TO_ATM 0.068045964
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#define KPA_TO_ATM 0.0098692327
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/* Length */
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#define M_TO_CM 100.0
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#define M_TO_IN 39.370079
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#define IN_TO_M 0.0254
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/* Surface */
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#define M2_TO_CM2 10000.0
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#define M2_TO_IN2 1550.0031
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/* Volume */
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#define M3_TO_CM3 1000000.0
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#define M3_TO_IN3 61023.744
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/* Mass flow */
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#define KG_S_TO_LB_S 2.2046226
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/* force */
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/* newton to pound-force */
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#define N_TO_LBF 0.22480894
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#define LBF_TO_N 4.4482216
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#endif
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