fix(fadec): correctur of fuel flow

headwindsim · Oct 28, 2023 · 374c0e0 · 374c0e0
1 parent b934cee
commit 374c0e0
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Showing 3 changed files with 7 additions and 6 deletions.
diff --git a/hdw-a339x/src/systems/fmgc/src/guidance/vnav/EngineModel.ts b/hdw-a339x/src/systems/fmgc/src/guidance/vnav/EngineModel.ts
@@ -238,7 +238,7 @@ export class EngineModel {
                     + (coefficients[17] * mach ** 3) + (coefficients[18] * mach ** 2 * alt) + (coefficients[19] * mach * alt ** 2)
                     + (coefficients[20] * alt ** 3);
 
-        return flow * 2.7;
+        return flow * 3.6;
     }
 
     // static getCN1fromUncorrectedThrust(thrust: number)

diff --git a/hdw-a339x/src/wasm/fadec_a320/src/RegPolynomials.h b/hdw-a339x/src/wasm/fadec_a320/src/RegPolynomials.h
@@ -206,7 +206,7 @@ class Polynomial {
   /// </summary>
   double correctedFuelFlow(double cn1, double mach, double alt) {
     double outCFF = 0;
-    double a330_f = 2.7;
+    double a330_f = 3.6;
 
     double c_Flow[21] = {-639.6602981, 0.00000e+00,  1.03705e+02,  -2.23264e+03, 5.70316e-03, -2.29404e+00, 1.08230e+02,
                          2.77667e-04,  -6.17180e+02, -7.20713e-02, 2.19013e-07,  2.49418e-02, -7.31662e-01, -1.00003e-05,

diff --git a/hdw-a339x/src/wasm/fadec_a330/src/RegPolynomials.h b/hdw-a339x/src/wasm/fadec_a330/src/RegPolynomials.h
@@ -205,10 +205,11 @@ class Polynomial {
   /// </summary>
   double correctedFuelFlow(double cn1, double mach, double alt) {
     double outCFF = 0;
+    double a330_f = 3.6;
 
-    double c_Flow[21] = {-1.7630e+02, -2.1542e-01, 4.7119e+01,  6.1519e+02,  1.8047e-03, -4.4554e-01, -4.3940e+01,
-                         4.0459e-05,  -3.2912e+01, -6.2894e-03, -1.2544e-07, 1.0938e-02, 4.0936e-01,  -5.5841e-06,
-                         -2.3829e+01, 9.3269e-04,  2.0273e-11,  -2.4100e+02, 1.4171e-02, -9.5581e-07, 1.2728e-11};
+    double c_Flow[21] = {-639.6602981, 0.00000e+00,  1.03705e+02,  -2.23264e+03, 5.70316e-03, -2.29404e+00, 1.08230e+02,
+                         2.77667e-04,  -6.17180e+02, -7.20713e-02, 2.19013e-07,  2.49418e-02, -7.31662e-01, -1.00003e-05,
+                         -3.79466e+01, 1.34552e-03,  5.72612e-09,  -2.71950e+02, 8.58469e-02, -2.72912e-06, 2.02928e-11};
 
     outCFF = c_Flow[0] + c_Flow[1] + (c_Flow[2] * cn1) + (c_Flow[3] * mach) + (c_Flow[4] * alt) + (c_Flow[5] * powFBW(cn1, 2)) +
              (c_Flow[6] * cn1 * mach) + (c_Flow[7] * cn1 * alt) + (c_Flow[8] * powFBW(mach, 2)) + (c_Flow[9] * mach * alt) +
@@ -217,7 +218,7 @@ class Polynomial {
              (c_Flow[16] * cn1 * powFBW(alt, 2)) + (c_Flow[17] * powFBW(mach, 3)) + (c_Flow[18] * powFBW(mach, 2) * alt) +
              (c_Flow[19] * mach * powFBW(alt, 2)) + (c_Flow[20] * powFBW(alt, 3));
 
-    return 2 * outCFF;
+    return outCFF * a330_f;
   }
 
   double oilTemperature(double energy, double preOilTemp, double maxOilTemp, double deltaTime) {