255 lines
6.4 KiB
C
255 lines
6.4 KiB
C
/* Submodel PNVO001 skeleton created by AME Submodel editing utility
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ven. 6. oct. 11:10:58 2017 */
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "ameutils.h"
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/* *******************************************************************************
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TITLE : PNVO001
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------------------------------------------------------------------------------
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DATE OF CREATION / AUTHOR :
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2002 : Created by FS from PNVO01
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------------------------------------------------------------------------------
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SOURCE :
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This material contains trade secrets or otherwise confidential
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information owned by Siemens Industry Software Inc. or its
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affiliates (collectively, "Siemens"), or its licensors. Access to
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and use of this information is strictly limited as set forth in the
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Customer's applicable agreements with Siemens.
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Unpublished work. Copyright 2023 Siemens
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******************************************************************************* */
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#define _SUBMODELNAME_ "PNVO001"
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/* >>>>>>>>>>>>Insert Private Code Here. */
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/* real stores */
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#define PATM 0
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#define AREAMAX 1
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#define CQ 2
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/* integer stores */
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#define DISC_LIMIT 0
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#define DISC_ORIF 1
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/* <<<<<<<<<<<<End of Private Code. */
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/* There are 4 real parameters:
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cq flow coefficient (Cq) [null]
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area0 orifice area at maximum opening [mm**2 -> m**2]
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Cv maximum flow coefficient (Cv) [null]
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Kv maximum flow coefficient (Kv) [null]
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*/
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/* There are 2 integer parameters:
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gi gas type index
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flowset flow coefficient setting
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*/
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void pnvo001in_(int *n, double rp[4], int ip[2], double c[3]
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, int ic[2])
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{
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int loop, error;
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/* >>>>>>>>>>>>Extra Initialization Function Declarations Here. */
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/* <<<<<<<<<<<<End of Extra Initialization declarations. */
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int gi, flowset;
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double cq, area0, Cv, Kv;
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gi = ip[0];
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flowset = ip[1];
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cq = rp[0];
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area0 = rp[1];
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Cv = rp[2];
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Kv = rp[3];
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loop = 0;
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error = 0;
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/*
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If necessary, check values of the following:
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rp[0..3]
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*/
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/* >>>>>>>>>>>>Initialization Function Check Statements. */
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pn2_valid_gas_(&gi, &error);
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if (flowset == 1)
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{
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if (area0 < 0.0)
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{
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error = 2;
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amefprintf(stderr, "\nOrifice area at maximum opening should be positive.\n");
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}
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if (cq <= 0.0 )
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{
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error = 2;
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amefprintf(stderr, "\nFlow coefficient should be strictly positive.\n");
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}
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}
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else if (flowset == 2)
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{
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if (Cv < 0.0)
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{
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error = 2;
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amefprintf(stderr, "\nMaximum flow coefficient (Cv) should be positive (value is %g).\n", Cv);
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}
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}
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else
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{
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if (Kv < 0.0)
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{
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error = 2;
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amefprintf(stderr, "\nMaximum flow coefficient (Kv) should be positive (value is %g).\n", Kv);
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}
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}
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/* <<<<<<<<<<<<End of Initialization Check Statements. */
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/* Integer parameter checking: */
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if (gi < 1 || gi > 99)
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{
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amefprintf(stderr, "\ngas type index must be in range [1..99].\n");
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error = 2;
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}
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if (flowset < 1 || flowset > 3)
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{
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amefprintf(stderr, "\nflow coefficient setting must be in range [1..3].\n");
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error = 2;
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}
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SUBMODEL_HANDLE_AND_RESET_ERROR(_SUBMODELNAME_, n, error)
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/* Common -> SI units conversions. */
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rp[1] *= 1.00000000000000e-006;
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area0 = rp[1];
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/* >>>>>>>>>>>>Initialization Function Executable Statements. */
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/* get atmospheric pressure */
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c[PATM] = pn2getatp_();
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if (flowset == 1)
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{
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c[CQ] = cq;
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c[AREAMAX] = area0;
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}
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else
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{
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/* calculation of equivalent maximal area with Cv or Kv.
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Default value of cq; the same value will be used in pn2rcqfix. */
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c[CQ] = 0.72;
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if (flowset == 2) /* Cv */
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orif_areafromcv_(&Cv, &c[CQ], &c[AREAMAX]);
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else
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orif_areafromkv_(&Kv, &c[CQ], &c[AREAMAX]);
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}
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/* <<<<<<<<<<<<End of Initialization Executable Statements. */
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}
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/* There are 3 ports.
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Port 1 has 1 variable:
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1 res input signal [null] basic variable input
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Port 2 has 4 variables:
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1 dh2 enthalpy flow rate at port 2 [J/s -> W] basic variable output
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2 dm2 mass flow rate at port 2 [g/s -> kg/s] basic variable output
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3 temp2 temperature at port 2 [K] basic variable input
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4 press2 pressure at port 2 [Pa] basic variable input
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Port 3 has 4 variables:
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1 dh3 duplicate of dh2 (sign reversed)
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2 dm3 duplicate of dm2 (sign reversed)
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3 temp3 temperature at port 3 [K] basic variable input
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4 press3 pressure at port 3 [Pa] basic variable input
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*/
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/* There are 3 internal variables.
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1 xv fractional opening [null] basic variable
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2 cm mass flow parameter (cm) [(kg*K/J)**(1/2)] basic variable
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3 gasvel vena contracta gas velocity [m/s] basic variable
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*/
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void pnvo001_(int *n, double *res, double *dh2, double *dm2
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, double *temp2, double *press2, double *temp3, double *press3
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, double *xv, double *cm, double *gasvel, double rp[4]
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, int ip[2], double c[3], int ic[2])
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{
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int loop;
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/* >>>>>>>>>>>>Extra Calculation Function Declarations Here. */
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double marea; /* modulated area */
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double pressa2, pressa3;
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static double zero = 0.0, one = 1.0;
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/* <<<<<<<<<<<<End of Extra Calculation declarations. */
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int gi, flowset;
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double cq, area0, Cv, Kv;
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gi = ip[0];
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flowset = ip[1];
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cq = rp[0];
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area0 = rp[1];
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Cv = rp[2];
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Kv = rp[3];
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loop = 0;
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/*
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Set all submodel outputs below:
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*dh2 = ??;
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*dm2 = ??;
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*xv = ??;
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*cm = ??;
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*gasvel = ??;
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*/
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/* >>>>>>>>>>>>Calculation Function Executable Statements. */
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/* set absolute pressure */
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pressa2 = *press2 + c[PATM];
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pressa3 = *press3 + c[PATM];
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*xv = dlimit_(res, &zero, &one, &ic[DISC_LIMIT]);
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/* limitation of the modulated area */
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marea = *xv * c[AREAMAX];
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/*** calculation of the flows ***/
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pn2rcqfix_( dh2, dm2, temp2, &pressa2, temp3, &pressa3, &marea, &c[CQ], &gi,
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cm, gasvel, &ic[DISC_ORIF] );
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/* <<<<<<<<<<<<End of Calculation Executable Statements. */
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/* SI -> Common units conversions. */
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*dm2 /= 1.00000000000000e-003;
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}
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