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- #ifndef lrd_h
- #define lrd_h
-
- #include "libcpropep/include/type.h"
-
- typedef struct _design_param_t
- {
- /* Design criteria */
- double chamber_pressure; /* Operating pressure of the motor (atm) */
- double thrust; /* Thrust of the motor (N) */
- double Lstar; /* Cracteristic chamber lengtgh */
- double Dc_Dt; /* Chamber diameter / Throat diameter */
- double R_Rt; /* Ratio of nozzle contour arc radius
- to throat radius */
- double theta; /* Convergent half angle (deg) */
-
- } design_param_t;
-
- typedef struct _motor_t
- {
- /* Unknown that will be compute */
- double mass_flow_rate; /* Total mass flow (kg/s) */
- double ox_flow_rate; /* Oxidant mass flow rate */
- double fu_flow_rate; /* Fuel mass flow rate */
-
- double throat_area; /* (m^2) */
- double throat_diameter; /* (m) */
- double throat_radius; /* (m) */
-
- double exit_area; /* (m^2) */
- double exit_diameter; /* (m) */
- double exit_radius; /* (m) */
-
- double Ac_At; /* Chamber area / throat area */
-
- /* total */
- double chamber_volume; /* (m^3) */
- double chamber_area; /* (m^2) */
- double chamber_diameter; /* (m) */
- double chamber_radius; /* (m) */
- double chamber_length; /* (m) */
-
- /* conical section */
- double convergent_volume; /* (m^3) */
- double convergent_length; /* (m) */
-
- /* cylindrical section */
- double cylinder_volume; /* (m^3) */
- double cylinder_length; /* (m) */
-
- double walls_area; /* total surface area of the
- combustion chamber walls
- excluding injector face */
-
- } motor_t;
-
- typedef struct _liquid_propellant_t
- {
- int oxidant;
- int fuel;
-
- double o_f_ratio;
-
- } liquid_propellant_t;
-
- int LRD_compute_caracteristics(equilibrium_t *e, design_param_t *d,
- motor_t *m, liquid_propellant_t *p);
- int LRD_print_propellant_info(liquid_propellant_t *p);
- int LRD_print_design_criteria(design_param_t *c);
- int LRD_print_design_information(motor_t *mf, motor_t *ms);
-
- #endif
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