Exemplo n.º 1
0
        public void updateGeneratorPower()
        {
            hotBathTemp = myAttachedReactor.CoreTemperature;
            float heat_exchanger_thrust_divisor = 1;

            if (radius > myAttachedReactor.getRadius())
            {
                heat_exchanger_thrust_divisor = myAttachedReactor.getRadius() * myAttachedReactor.getRadius() / radius / radius;
            }
            else
            {
                heat_exchanger_thrust_divisor = radius * radius / myAttachedReactor.getRadius() / myAttachedReactor.getRadius();
            }
            if (myAttachedReactor.getRadius() <= 0 || radius <= 0)
            {
                heat_exchanger_thrust_divisor = 1;
            }
            maxThermalPower = myAttachedReactor.MaximumPower * heat_exchanger_thrust_divisor;

            if (myAttachedReactor is IChargedParticleSource)
            {
                maxChargedPower = (myAttachedReactor as IChargedParticleSource).MaximumChargedPower * heat_exchanger_thrust_divisor;
            }
            else
            {
                maxChargedPower = 0;
            }

            coldBathTemp = (float)FNRadiator.getAverageRadiatorTemperatureForVessel(vessel);
        }
        //private void UpdateRadiusModifier()
        //{
        //    radiusModifier = (GetHeatExchangerThrustDivisor() * 100.0).ToString("0.00") + "%";
        //}


        private double GetHeatExchangerThrustDivisor()
        {
            if (myAttachedReactor == null)
            {
                return(0);
            }

            if (myAttachedReactor.getRadius() == 0 || radius == 0)
            {
                return(1);
            }

            // scale down thrust if it's attached to the wrong sized reactor
            float heat_exchanger_thrust_divisor = radius > myAttachedReactor.getRadius()
                ? myAttachedReactor.getRadius() * myAttachedReactor.getRadius() / radius / radius
                                                  //: radius * radius / myAttachedReactor.getRadius() / myAttachedReactor.getRadius();
                : radius / myAttachedReactor.getRadius();

            return(heat_exchanger_thrust_divisor);
        }
Exemplo n.º 3
0
        private void UpdateHeatExchangedThrustDivisor()
        {
            if (myAttachedReactor == null)
            {
                return;
            }

            if (myAttachedReactor.getRadius() <= 0 || radius <= 0)
            {
                heat_exchanger_thrust_divisor = 1;
                return;
            }

            heat_exchanger_thrust_divisor = radius > myAttachedReactor.getRadius()
                ? myAttachedReactor.getRadius() * myAttachedReactor.getRadius() / radius / radius
                : radius * radius / myAttachedReactor.getRadius() / myAttachedReactor.getRadius();
        }
Exemplo n.º 4
0
        public override void OnFixedUpdate()
        {
            if (myAttachedEngine.isOperational && myAttachedEngine.currentThrottle > 0 && myAttachedReactor != null)
            {
                if (!myAttachedReactor.IsActive)
                {
                    myAttachedReactor.enableIfPossible();
                }
                updateIspEngineParams();
                float  curve_eval_point = (float)Math.Min(FlightGlobals.getStaticPressure(vessel.transform.position), 1.0);
                float  currentIsp       = myAttachedEngine.atmosphereCurve.Evaluate(curve_eval_point);
                double ispratio         = currentIsp / maxISP;
                this.current_isp = currentIsp;
                // scale down thrust if it's attached to the wrong sized reactor
                float heat_exchanger_thrust_divisor = 1;
                if (radius > myAttachedReactor.getRadius())
                {
                    heat_exchanger_thrust_divisor = myAttachedReactor.getRadius() * myAttachedReactor.getRadius() / radius / radius;
                }
                else
                {
                    heat_exchanger_thrust_divisor = radius * radius / myAttachedReactor.getRadius() / myAttachedReactor.getRadius();
                }

                if (myAttachedReactor.getRadius() == 0 || radius == 0)
                {
                    heat_exchanger_thrust_divisor = 1;
                }
                // get the flameout safety limit
                atmospheric_limit = getAtmosphericLimit();
                double thrust_limit = myAttachedEngine.thrustPercentage / 100;
                if (currentpropellant_is_jet)
                {
                    int    pre_coolers_active = vessel.FindPartModulesImplementing <FNModulePreecooler>().Where(prc => prc.isFunctional()).Count();
                    int    intakes_open       = vessel.FindPartModulesImplementing <ModuleResourceIntake>().Where(mre => mre.intakeEnabled).Count();
                    double proportion         = Math.Pow((double)(intakes_open - pre_coolers_active) / (double)intakes_open, 0.1);
                    if (double.IsNaN(proportion) || double.IsInfinity(proportion))
                    {
                        proportion = 1;
                    }
                    float temp = (float)Math.Max((Math.Sqrt(vessel.srf_velocity.magnitude) * 20.0 / GameConstants.atmospheric_non_precooled_limit) * part.maxTemp * proportion, 1);
                    if (temp > part.maxTemp - 10.0f)
                    {
                        ScreenMessages.PostScreenMessage("Engine Shutdown: Catastrophic overheating was imminent!", 5.0f, ScreenMessageStyle.UPPER_CENTER);
                        myAttachedEngine.Shutdown();
                        part.temperature = 1;
                    }
                    else
                    {
                        part.temperature = temp;
                    }
                    //myAttachedEngine.DeactivateRunningFX();
                }
                else
                {
                    //myAttachedEngine.ActivateRunningFX();
                }
                double thermal_consume_total  = assThermalPower * TimeWarp.fixedDeltaTime * myAttachedEngine.currentThrottle * atmospheric_limit;
                double thermal_power_received = consumeFNResource(thermal_consume_total, FNResourceManager.FNRESOURCE_THERMALPOWER) / TimeWarp.fixedDeltaTime;
                if (thermal_power_received * TimeWarp.fixedDeltaTime < thermal_consume_total)
                {
                    thermal_power_received += consumeFNResource(thermal_consume_total - thermal_power_received * TimeWarp.fixedDeltaTime, FNResourceManager.FNRESOURCE_CHARGED_PARTICLES) / TimeWarp.fixedDeltaTime;
                }
                consumeFNResource(thermal_power_received * TimeWarp.fixedDeltaTime, FNResourceManager.FNRESOURCE_WASTEHEAT);
                float  power_ratio     = 0.0f;
                double engineMaxThrust = 0.01;
                if (assThermalPower > 0)
                {
                    power_ratio     = (float)(thermal_power_received / assThermalPower);
                    engineMaxThrust = Math.Max(thrust_limit * 2000.0 * thermal_power_received / maxISP / g0 * heat_exchanger_thrust_divisor * ispratio / myAttachedEngine.currentThrottle, 0.01);
                }
                //print ("B: " + engineMaxThrust);
                // set up TWR limiter if on
                //double additional_thrust_compensator = myAttachedEngine.finalThrust / (myAttachedEngine.maxThrust * myAttachedEngine.currentThrottle)/ispratio;
                double engine_thrust = engineMaxThrust / myAttachedEngine.thrustPercentage * 100;
                // engine thrust fixed
                //print ("A: " + engine_thrust*myAttachedEngine.velocityCurve.Evaluate((float)vessel.srf_velocity.magnitude));
                if (!double.IsInfinity(engine_thrust) && !double.IsNaN(engine_thrust))
                {
                    if (isLFO)
                    {
                        myAttachedEngine.maxThrust = (float)(2.2222 * engine_thrust);
                    }
                    else
                    {
                        myAttachedEngine.maxThrust = (float)engine_thrust;
                    }
                }
                else
                {
                    myAttachedEngine.maxThrust = 0.000001f;
                }

                // amount of fuel being used at max throttle with no atmospheric limits
                if (current_isp > 0)
                {
                    double vcurve_at_current_velocity = 1;

                    if (myAttachedEngine.useVelocityCurve && myAttachedEngine.velocityCurve != null)
                    {
                        vcurve_at_current_velocity = myAttachedEngine.velocityCurve.Evaluate((float)vessel.srf_velocity.magnitude);
                    }
                    //if (!double.IsNaN(additional_thrust_compensator) && !double.IsInfinity(additional_thrust_compensator)) {
                    //vcurve_at_current_velocity = additional_thrust_compensator;
                    //}
                    fuel_flow_rate = engine_thrust / current_isp / g0 / 0.005 * TimeWarp.fixedDeltaTime;
                    if (vcurve_at_current_velocity > 0 && !double.IsInfinity(vcurve_at_current_velocity) && !double.IsNaN(vcurve_at_current_velocity))
                    {
                        fuel_flow_rate = fuel_flow_rate / vcurve_at_current_velocity;
                    }

                    if (atmospheric_limit > 0 && !double.IsInfinity(atmospheric_limit) && !double.IsNaN(atmospheric_limit))
                    {
                        fuel_flow_rate = fuel_flow_rate / atmospheric_limit;
                    }
                }
            }
            else
            {
                if (myAttachedEngine.realIsp > 0)
                {
                    atmospheric_limit = getAtmosphericLimit();
                    double vcurve_at_current_velocity = 1;
                    if (myAttachedEngine.useVelocityCurve)
                    {
                        vcurve_at_current_velocity = myAttachedEngine.velocityCurve.Evaluate((float)vessel.srf_velocity.magnitude);
                    }
                    fuel_flow_rate = myAttachedEngine.maxThrust / myAttachedEngine.realIsp / g0 / 0.005 * TimeWarp.fixedDeltaTime;
                    if (vcurve_at_current_velocity > 0 && !double.IsInfinity(vcurve_at_current_velocity) && !double.IsNaN(vcurve_at_current_velocity))
                    {
                        fuel_flow_rate = fuel_flow_rate / vcurve_at_current_velocity;
                    }
                }
                else
                {
                    fuel_flow_rate = 0;
                }

                if (currentpropellant_is_jet)
                {
                    part.temperature = 1;
                }

                if (myAttachedReactor == null && myAttachedEngine.isOperational && myAttachedEngine.currentThrottle > 0)
                {
                    myAttachedEngine.Events ["Shutdown"].Invoke();
                    ScreenMessages.PostScreenMessage("Engine Shutdown: No reactor attached!", 5.0f, ScreenMessageStyle.UPPER_CENTER);
                }
            }
            //tell static helper methods we are currently updating things
            static_updating  = true;
            static_updating2 = true;
        }