声速计算功能验证正确,孔板计算还未验证。

This commit is contained in:
廖德云 2025-07-07 23:45:13 +08:00
parent 3a6c286e64
commit da4481b9d1
7 changed files with 120 additions and 374 deletions

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@ -243,5 +243,102 @@
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</project>

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@ -10,5 +10,6 @@ add_executable(NG
main.c
NGCal.c
NGCal.h
FlowCal.c #
Therm.c)
#
Therm.c
FlowCal.c)

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@ -1064,6 +1064,7 @@ double Detail_dZdD(Detail *pDetail, double d) {
temp = temp1 + temp2 + temp3;
pDetail->ddZdD += -pDetail->fx[16] + pDetail->fx[16] * temp;
pDetail->ddZdD += -pDetail->fx[17] + pDetail->fx[17] * temp;
temp = 4.0 * D1;
pDetail->ddZdD += pDetail->fx[18] * temp;
pDetail->ddZdD += pDetail->fx[19] * temp;
temp1 = -4.0 * D3 * exp2;
@ -1106,6 +1107,7 @@ double Detail_dZdD(Detail *pDetail, double d) {
pDetail->ddZdD += pDetail->fx[34] * temp;
pDetail->ddZdD += pDetail->fx[35] * temp;
pDetail->ddZdD += pDetail->fx[36] * temp;
temp = 16.0 * D3;
pDetail->ddZdD += pDetail->fx[37] * temp;
pDetail->ddZdD += pDetail->fx[38] * temp;
temp1 = -4.0 * D5 * exp2;

View File

@ -1,3 +1,6 @@
//
// Created by ldeyu on 2025/7/7.
//
#include "NGCal.h"
#include "FlowCal.h"
@ -115,7 +118,7 @@ void OFlowCal(FlowParSTRUCT *ptFlowPar, NGParSTRUCT *ptNGPar) {
iter++;
if (iter > maxIter) {
fprintf(stderr, "<EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n");
fprintf(stderr, "<EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n");
}
} while (fabs(currentC - prevC) / currentC > tolerance);
@ -149,22 +152,6 @@ void OFlowCal(FlowParSTRUCT *ptFlowPar, NGParSTRUCT *ptNGPar) {
double CaiLiaoPzxs(int tempCaiLiao) {
double CaiLiaoPzxs = 0;
switch (tempCaiLiao) {
case 0:
CaiLiaoPzxs = 11.75;
@ -267,7 +254,7 @@ double calculateK(int dPipeType) {
break;
default:
fprintf(stderr, "δ֪<EFBFBD>Ĺܵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: %d\n", dPipeType);
fprintf(stderr, "δ֪<EFBFBD>Ĺܵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: %d\n", dPipeType);
return FLOW_CALC_ERROR;
}
return Jdccd;
@ -287,7 +274,7 @@ double calculateRoughnessFactor(double D_pipe, double K, double C) {
double term = (K_over_D * 1e6) - 400;
if (term < 0) {
fprintf(stderr, "K/D <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD>÷<EFBFBD>Χ\n");
fprintf(stderr, "K/D <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD>÷<EFBFBD>Χ\n");
return FLOW_CALC_ERROR;
}
@ -350,7 +337,7 @@ double calculateCd(double beta, double ReD, double D_mm, int ptMode) {
L2 = 0.47;
break;
default:
fprintf(stderr, "<EFBFBD><EFBFBD>֧<EFBFBD>ֵ<EFBFBD>ȡѹ<EFBFBD><EFBFBD>ʽ: %d\n", ptMode);
fprintf(stderr, "<EFBFBD><EFBFBD>֧<EFBFBD>ֵ<EFBFBD>ȡѹ<EFBFBD><EFBFBD>ʽ: %d\n", ptMode);
return FLOW_CALC_ERROR;
}

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@ -1,329 +0,0 @@
#include "NGCal.h"
#include "Therm.h"
#include "Detail.h"
#include "FlowCal.h"
#include "math.h"
void OFlowCal(FlowParSTRUCT * ptFlowPar,NGParSTRUCT * ptNGPar)
{
double tempPatm = ptFlowPar->dPatm*1000000;
double tempPf = ptFlowPar->dPf*1000000;
double tempDP = ptFlowPar->dDp*1000;
double tempTf = ptFlowPar->dTf+273.15;
if (ptFlowPar->dPfType == 0)
{
ptFlowPar->dPf = tempPatm + tempPf;
ptNGPar ->dPf=tempPatm + tempPf;
} else {
ptFlowPar->dPf = tempPf;
ptNGPar->dPf=tempPf;
}
ptFlowPar->dDp = tempDP;
ptFlowPar->dTf = tempTf;
ptNGPar->dTf = tempTf;
ptNGPar->dCbtj=ptFlowPar->dCbtj;
switch (ptNGPar->dCbtj)
{
case 2:
ptNGPar->dPb=101325;
ptNGPar->dTb= 273.15;
ptFlowPar->dPb_M=(101325);
ptFlowPar->dTb_M=(273.15);
break;
case 1:
ptNGPar->dPb=(101325);
ptNGPar->dTb=( 288.15);
ptFlowPar->dPb_M=(101325);
ptFlowPar->dTb_M=(288.15);
break;
case 0:
ptNGPar->dPb=(101325);
ptNGPar->dTb=( 293.15);
ptFlowPar->dPb_M=(101325);
ptFlowPar->dTb_M=(293.15);
break;
}
double ngArray[NUMBEROFCOMPONENTS];
for (int i = 0; i <NUMBEROFCOMPONENTS; i++) {
ngArray[i] = ptFlowPar->dNG_Compents[i] / 100;
ptNGPar->adMixture[i] = ngArray[i];
}
Crit(ptNGPar,0);
ptFlowPar->dFpv=ptNGPar->dFpv;
ptFlowPar->dOrificeD = ptFlowPar->dOrificeD * (1 + 0.000001 * CaiLiaoPzxs(ptFlowPar->dOrificeMaterial) * (ptFlowPar->dTf - 293.15));
ptFlowPar->dPipeD = ptFlowPar->dPipeD * (1 + 0.000001 * CaiLiaoPzxs(ptFlowPar->dPipeMaterial) * (ptFlowPar->dTf - 293.15));
ptFlowPar->dBeta = ptFlowPar->dOrificeD / ptFlowPar->dPipeD;
ptFlowPar->dE = calculateE(ptFlowPar->dBeta);
ptFlowPar->dFG = calculateFG(ptNGPar->dRD_Real);
ptFlowPar->dFT = calculateFT(ptFlowPar->dTb_M, ptFlowPar->dTf);
ptFlowPar->dKappa = calculateKappa(ptNGPar->dZf);
ptFlowPar->dDViscosity = Dlndjs(ptFlowPar->dPf/1e6, ptFlowPar->dTf);
ptFlowPar->dDExpCoefficient = calculateEpsilon(ptFlowPar->dPf, ptFlowPar->dDp,
ptFlowPar->dBeta, ptFlowPar->dKappa);
double D = ptFlowPar->dPipeD / 1000.0;
double d = ptFlowPar->dOrificeD / 1000.0;
double beta = ptFlowPar->dBeta;
double P1 = ptFlowPar->dPf;
double deltaP = ptFlowPar->dDp;
double Tf = ptFlowPar->dTf;
double C_initial = 0.6;
double Qf_initial = (C_initial * ptFlowPar->dE * ptFlowPar->dDExpCoefficient * M_PI * pow(d, 2) / 4)
* sqrt(2 * deltaP / (ptNGPar->dRhof * (1 - pow(beta, 4))));
ptFlowPar->dVFlowf = Qf_initial;
double tolerance = 1e-6;
int maxIter = 100;
double currentC = C_initial;
double currentReD = calculateReD(Qf_initial, D, ptNGPar->dRhof, ptFlowPar->dDViscosity);
int iter = 0;
double prevC = 0;
do {
prevC = currentC;
currentC = calculateCd(beta, currentReD, ptFlowPar->dPipeD, ptFlowPar->dPtmode);
double Qf = (currentC * ptFlowPar->dDExpCoefficient * M_PI * pow(d, 2) / 4)
* sqrt(2 * deltaP / (ptNGPar->dRhof * (1 - pow(beta, 4))));
ptFlowPar->dVFlowf = Qf;
currentReD = calculateReD(Qf, D, ptNGPar->dRhof, ptFlowPar->dDViscosity);
iter++;
if (iter > maxIter) {
fprintf(stderr, "<EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n");
}
} while (fabs(currentC - prevC) / currentC > tolerance);
double K = calculateK(ptFlowPar->dPipeType);
double G_me = calculateRoughnessFactor(ptFlowPar->dPipeD, K, currentC);
double C_corrected = currentC * G_me;
ptFlowPar->dCd = C_corrected;
ptFlowPar->dRoughNessPipe = G_me;
ptFlowPar->dRnPipe = currentReD;
double Qn = ptFlowPar->dVFlowf * (ptFlowPar->dFpv * ptFlowPar->dFpv * P1 / ptFlowPar->dPb_M)
* (ptFlowPar->dTb_M) / Tf;
ptFlowPar->dVFlowb = Qn;
ptFlowPar->dMFlowb = ptFlowPar->dVFlowb * ptNGPar->dRhob;
ptFlowPar->dEFlowb = ptFlowPar->dVFlowb * ptNGPar->dHhvMol;
ptFlowPar->dVelocityFlow = ptFlowPar->dVFlowf / (M_PI * pow((ptFlowPar->dPipeD / 2000), 2));
}
double CaiLiaoPzxs(int tempCaiLiao)
{
double CaiLiaoPzxs = 0;
switch (tempCaiLiao)
{
case 0:
CaiLiaoPzxs = 11.75;
break;
case 1:
CaiLiaoPzxs = 11.6;
break;
case 2:
CaiLiaoPzxs = 11.16;
break;
case 3:
CaiLiaoPzxs = 11.59;
break;
case 4:
CaiLiaoPzxs = 10.5;
break;
case 5:
CaiLiaoPzxs = 10.0;
break;
case 6:
CaiLiaoPzxs = 10.2;
break;
case 7:
CaiLiaoPzxs = 15.5;
break;
case 8:
CaiLiaoPzxs = 11.5;
break;
case 9:
CaiLiaoPzxs = 10.8;
break;
case 10:
CaiLiaoPzxs = 16.6;
break;
case 11:
CaiLiaoPzxs = 11.4;
break;
case 12:
CaiLiaoPzxs = 16.55;
break;
case 13:
CaiLiaoPzxs = 17.8;
break;
case 14:
CaiLiaoPzxs = 17.2;
break;
}
return CaiLiaoPzxs;
}
double calculateK(int dPipeType) {
double Jdccd;
switch (dPipeType) {
case 0:
Jdccd = 0.029;
break;
case 1:
case 2:
case 3:
Jdccd = 0.075;
break;
case 4:
Jdccd = 0.1;
break;
case 5:
Jdccd = 0.15;
break;
case 6:
Jdccd = 1;
break;
case 7:
Jdccd = 2.1;
break;
case 8:
Jdccd = 0.04;
break;
case 9:
Jdccd = 0.15;
break;
case 10:
Jdccd = 0.13;
break;
case 11:
Jdccd = 0.25;
break;
default:
fprintf(stderr, "δ֪<EFBFBD>Ĺܵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: %d\n", dPipeType);
return FLOW_CALC_ERROR;
}
return Jdccd;
}
double calculateRoughnessFactor(double D_pipe, double K, double C) {
double K_over_D = K / D_pipe;
if (K_over_D <= 0.0004) {
return 1.0000;
}
double term = (K_over_D * 1e6) - 400;
if (term < 0) {
fprintf(stderr, "K/D <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD>÷<EFBFBD>Χ\n");
return FLOW_CALC_ERROR;
}
double G_me = 1 + (0.011 / C) * sqrt(term);
return G_me;
}
double calculateE(double beta) {
return 1 / sqrt(1 - pow(beta, 4));
}
double calculateFG(double dRD_Real) {
return 1 / sqrt(dRD_Real);
}
double calculateFT(double dTb_M, double dTf) {
return sqrt(dTb_M / dTf);
}
double calculateEpsilon(double dPf, double dDp, double beta, double dKappa) {
double tau = (dPf - dDp) / dPf;
double epsilon = 1 - (0.351 + 0.256 * pow(beta, 4) + 0.93 * pow(beta, 8)) * (1 - pow(tau, 1/dKappa));
return epsilon;
}
double calculateKappa(double dZf) {
double gamma = 1.3;
double Z = dZf;
double kappa = gamma / (1 - (gamma - 1) * (1 / Z - 1));
return kappa;
}
double calculateReD(double Qf, double D, double rho, double mu) {
return (4 * Qf * rho) / (M_PI * D * mu);
}
double calculateCd(double beta, double ReD, double D_mm, int ptMode) {
double L1, L2;
switch (ptMode) {
case 1:
L1 = L2 = 0;
break;
case 0:
L1 = L2 = 25.4 / D_mm;
break;
case 2:
L1 = 1.0;
L2 = 0.47;
break;
default:
fprintf(stderr, "<EFBFBD><EFBFBD>֧<EFBFBD>ֵ<EFBFBD>ȡѹ<EFBFBD><EFBFBD>ʽ: %d\n", ptMode);
return FLOW_CALC_ERROR;
}
double term1 = 0.5961 + 0.0261 * pow(beta, 2) - 0.216 * pow(beta, 8);
double term2 = 0.000521 * pow(1e6 * beta / ReD, 0.7);
double A = pow(19000 * beta / ReD, 0.8);
double term3 = (0.0188 + 0.0063 * A) * pow(beta, 3.5) * pow(1e6 / ReD, 0.3);
double term4 = (0.043 + 0.08 * exp(-10 * L1) - 0.123 * exp(-7 * L1))
* (1 - 0.11 * A) * pow(beta, 4) / (1 - pow(beta, 4));
double term5 = -0.031 * (2 * L2 / (1 - beta) - 0.8 * pow(2 * L2 / (1 - beta), 1.1))
* pow(beta, 1.3);
double Cd = term1 + term2 + term3 + term4 + term5;
if (D_mm < 71.12) {
Cd += 0.011 * (0.75 - beta) * (2.8 - D_mm / 25.4);
}
return Cd;
}
double Dlndjs(double tempP_jy, double tempT) {
double Dlndjs_Dlnd_Data[8][11] = {
{976, 991, 1014, 1044, 1073, 1114, 1156, 1207, 1261, 1331, 1405},
{1027, 1040, 1063, 1091, 1118, 1151, 1185, 1230, 1276, 1331, 1389},
{1071, 1082, 1106, 1127, 1149, 1180, 1211, 1250, 1289, 1335, 1383},
{1123, 1135, 1153, 1174, 1195, 1224, 1253, 1289, 1324, 1366, 1409},
{1167, 1178, 1196, 1216, 1236, 1261, 1287, 1318, 1350, 1385, 1421},
{1213, 1224, 1239, 1257, 1275, 1297, 1320, 1346, 1373, 1403, 1435},
{1260, 1270, 1281, 1297, 1313, 1333, 1352, 1374, 1396, 1424, 1451},
{1303, 1312, 1323, 1338, 1352, 1372, 1391, 1412, 1432, 1456, 1482}
};
double Dlndjs_Dlnd_T[8] = {
-15 + 273.15, 0 + 273.15, 15 + 273.15, 30 + 273.15,
45 + 273.15, 60 + 273.15, 75 + 273.15, 90 + 273.15
};
double Dlndjs_Dlnd_P[11] = {0.1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
double s1, s2, ky, kx;
int i, m = 0, n = 0;
if (tempT < Dlndjs_Dlnd_T[0]) {
tempT = Dlndjs_Dlnd_T[0];
}
if (tempT > Dlndjs_Dlnd_T[7]) {
tempT = Dlndjs_Dlnd_T[7];
}
if (tempP_jy < Dlndjs_Dlnd_P[0]) {
tempP_jy = Dlndjs_Dlnd_P[0];
}
if (tempP_jy > Dlndjs_Dlnd_P[10]) {
tempP_jy = Dlndjs_Dlnd_P[10];
}
for (i = 0; i <= 6; i++) {
if (tempT >= Dlndjs_Dlnd_T[i] && tempT <= Dlndjs_Dlnd_T[i + 1]) {
m = i;
break;
}
}
for (i = 0; i <= 9; i++) {
if (tempP_jy >= Dlndjs_Dlnd_P[i] && tempP_jy <= Dlndjs_Dlnd_P[i + 1]) {
n = i;
break;
}
}
if (Dlndjs_Dlnd_P[n + 1] - Dlndjs_Dlnd_P[n] != 0) {
ky = (tempP_jy - Dlndjs_Dlnd_P[n]) / (Dlndjs_Dlnd_P[n + 1] - Dlndjs_Dlnd_P[n]);
} else {
ky = 0;
}
if (Dlndjs_Dlnd_T[m + 1] - Dlndjs_Dlnd_T[m] != 0) {
kx = (tempT - Dlndjs_Dlnd_T[m]) / (Dlndjs_Dlnd_T[m + 1] - Dlndjs_Dlnd_T[m]);
} else {
kx = 0;
}
s1 = Dlndjs_Dlnd_Data[m][n] + (Dlndjs_Dlnd_Data[m][n + 1] - Dlndjs_Dlnd_Data[m][n]) * ky;
s2 = Dlndjs_Dlnd_Data[m + 1][n] + (Dlndjs_Dlnd_Data[m + 1][n + 1] - Dlndjs_Dlnd_Data[m + 1][n]) * ky;
return (s1 + (s2 - s1) * kx) / 100000.0;
}

View File

@ -118,7 +118,8 @@ double Therm_CpiMolar(Therm *therm, NGParSTRUCT *ptNGPar) {
cp += Cpx;
}
}
return cp * therm->CAL_TH;
cp *= therm->CAL_TH;
return cp;
}
@ -206,14 +207,12 @@ void Therm_CprCvrHS(Therm *therm, NGParSTRUCT *ptNGPar, Detail *detail) {
double Hinc = 0.0;
double Sinc = 0.0;
double Smixing = 0.0;
double Cp = Therm_CpiMolar(therm, ptNGPar);
double Si;
double Si;
double Cp = Therm_CpiMolar(therm, ptNGPar);
ptNGPar->dHo = Therm_Ho(therm, ptNGPar);
Si = Therm_So(therm, ptNGPar);
ptNGPar->dCpi = (Cp * 1000.0) / ptNGPar->dMrx;
for (int i = 0; i < therm->GK_points; i++) {
double x = ptNGPar->dDf * (1.0 + therm->GK_root[i]) / 2.0;
Detail_zdetail(detail, x);
@ -301,30 +300,21 @@ void Therm_HS_Mode(Therm *therm, NGParSTRUCT *ptNGPar, Detail *detail, double H,
ptNGPar->dPf = p2;
Detail_Run(detail, ptNGPar);
double s2 = Therm_S(therm, ptNGPar, detail) - s0;
delta2 = fabs(s1 - s2) / s0;
if (delta2 < tolerance) break;
double p0 = p2;
p2 = (p1 * s2 - p2 * s1) / (s2 - s1);
if (p2 <= pmin) p2 = pmin;
if (p2 >= pmax) p2 = pmax;
p1 = p0;
s1 = s2;
}
if (ptNGPar->lStatus == MAX_NUM_OF_ITERATIONS_EXCEEDED) break;
double h2 = Therm_H(therm, ptNGPar, detail) - h0;
delta1 = fabs(h1 - h2) / h0;
if (delta1 < tolerance && i > 0) break;
double t0 = t2;
t2 = (t1 * h2 - t2 * h1) / (h2 - h1);
if (t2 >= tmax) t2 = tmax;
if (t2 <= tmin) {
t2 = t0 + 10.0;
@ -352,10 +342,8 @@ double Therm_H(Therm *therm, NGParSTRUCT *ptNGPar, Detail *detail) {
Detail_zdetail(detail, x);
Detail_dZdT(detail, x);
Detail_d2ZdT2(detail, x);
Hinc += therm->GK_weight[i] * detail->ddZdT / x;
if (i == 10) break;
x = ptNGPar->dDf * (1.0 - therm->GK_root[i]) / 2.0;
Detail_zdetail(detail, x);
Detail_dZdT(detail, x);

View File

@ -8,7 +8,7 @@ int main() {
NGParSTRUCT ngParams = {0};
// 设置基本参数
flowParams.dPatm = 0.0; // 标准大气压(bar)
flowParams.dPatm = 0.0981; // 标准大气压(bar)
flowParams.dPf = 4; // 压力(MPa)
flowParams.dPfType = 1; // 0=表压1=绝压
flowParams.dDp = 12.50; // 差压(kPa)
@ -42,10 +42,10 @@ int main() {
flowParams.dNG_Compents[7] = 0.0; // 氢气(H2)
flowParams.dNG_Compents[8] = 0.00; // 一氧化碳(CO)
flowParams.dNG_Compents[9] = 0.00; // 氧气(O2)
flowParams.dNG_Compents[10] = 0.1563; // 异丁烷(i-C4H10)
flowParams.dNG_Compents[11] = 0.1037; // 正丁烷(n-C4H10)
flowParams.dNG_Compents[12] = 0.0443; // 异戊烷(i-C5H12)
flowParams.dNG_Compents[13] = 0.0324; // 正戊烷(n-C5H12)
flowParams.dNG_Compents[10] = 0.1037; // 异丁烷(i-C4H10)
flowParams.dNG_Compents[11] = 0.1563; // 正丁烷(n-C4H10)
flowParams.dNG_Compents[12] = 0.0321; // 异戊烷(i-C5H12)
flowParams.dNG_Compents[13] = 0.0443; // 正戊烷(n-C5H12)
flowParams.dNG_Compents[14] = 0.0393; // 己烷(C6H14)
flowParams.dNG_Compents[15] = 0.0; // 庚烷(C7H16)
flowParams.dNG_Compents[16] = 0.0; // 辛烷(C8H18)
@ -67,7 +67,7 @@ int main() {
// flowParams.dNG_Compents[10]= 0.1; // 异丁烷(i-C4H10)
// flowParams.dNG_Compents[11]= 0.1; // 正丁烷(n-C4H10)
// flowParams.dNG_Compents[12]= 0.05; // 异戊烷(i-C5H12)
// flowParams.dNG_Compents[13]= 0.05; // 正戊烷(n-C5H12)
// flowParams.dNG_Compents[13]= 0.03; // 正戊烷(n-C5H12)
// flowParams.dNG_Compents[14]= 0.07; // 己烷(C6H14)
// flowParams.dNG_Compents[15]= 0; // 庚烷(C7H16)
// flowParams.dNG_Compents[16]= 0; // 辛烷(C8H18)
@ -86,7 +86,7 @@ int main() {
OFlowCal(&flowParams, &ngParams);
// 打印计算结果
printf("工况条件信息:\n");
printf("工况条件信息:\n");
printf("标准参比条件: %d\n", flowParams.dCbtj);
printf("计量参比压力: %.2f\n", flowParams.dPb_M);
printf("计量参比温度: %.2f\n", flowParams.dTb_M);