Loading…

方法名称： rectangular_broad_crested_weir_method_max_flowrate

方法ID： 0x41F7

方法标签： Calculate Max Flowrate

方法描述： Calculates Maximum Flowrate (Qmax) value


  • {
  • float rblengthconverted;
  • float rbwidthconverted;
  • float rbheightconverted;
  • float rbheadconverted;
  • float flowratecalculated;
  • char disp_string1[135];
  • int slen1;
  • slen1 = 135;
  • _set_device_status(0xFF,0);
  • _set_xmtr_device_status(0xFF,0);
  • _set_all_resp_code(0);
  • _set_xmtr_all_resp_code(0);
  • _get_dictionary_string(19726337,disp_string1,slen1);
  • ACKNOWLEDGE(disp_string1);
  • _add_abort_method(4118);
  • if (Distance_Obj_unit == 44)
  • {
  • rblengthconverted = rb_weir_length * 0.3048;
  • rbwidthconverted = rb_weir_width * 0.3048;
  • rbheightconverted = rb_weir_height * 0.3048;
  • rbheadconverted = span_Obj_value_0 * 0.3048;
  • }
  • else
  • if (Distance_Obj_unit == 45)
  • {
  • rblengthconverted = rb_weir_length * 1;
  • rbwidthconverted = rb_weir_width * 1;
  • rbheightconverted = rb_weir_height * 1;
  • rbheadconverted = span_Obj_value_0 * 1;
  • }
  • else
  • if (Distance_Obj_unit == 47)
  • {
  • rblengthconverted = rb_weir_length * 0.0254;
  • rbwidthconverted = rb_weir_width * 0.0254;
  • rbheightconverted = rb_weir_height * 0.0254;
  • rbheadconverted = span_Obj_value_0 * 0.0254;
  • }
  • else
  • if (Distance_Obj_unit == 48)
  • {
  • rblengthconverted = rb_weir_length * 0.01;
  • rbwidthconverted = rb_weir_width * 0.01;
  • rbheightconverted = rb_weir_height * 0.01;
  • rbheadconverted = span_Obj_value_0 * 0.01;
  • }
  • else
  • if (Distance_Obj_unit == 49)
  • {
  • rblengthconverted = rb_weir_length * 0.001;
  • rbwidthconverted = rb_weir_width * 0.001;
  • rbheightconverted = rb_weir_height * 0.001;
  • rbheadconverted = span_Obj_value_0 * 0.001;
  • }
  • rb_dischargecoefficientcalc1 = rbheadconverted / rbheightconverted;
  • rb_dischargecoefficientcalc2 = rbheadconverted / rblengthconverted;
  • if (rb_dischargecoefficientcalc1 < 0.1 || rb_dischargecoefficientcalc1 > 1.6 || rb_dischargecoefficientcalc1 == NaN_value() || rb_dischargecoefficientcalc2 < 0.1 || rb_dischargecoefficientcalc2 > 1.6 || rb_dischargecoefficientcalc2 == NaN_value())
  • {
  • ACKNOWLEDGE(literal_string(1470));
  • process_abort();
  • }
  • else
  • if (rb_dischargecoefficientcalc1 >= 0.1 && rb_dischargecoefficientcalc1 < 0.3 && (rb_dischargecoefficientcalc2 >= 0.1 && rb_dischargecoefficientcalc2 < 0.3))
  • {
  • flowratecalculated = 1.704599 * 0.855 * rbwidthconverted * pow(rbheadconverted,1.5);
  • }
  • else
  • if (rb_dischargecoefficientcalc1 >= 0.3 && rb_dischargecoefficientcalc1 < 0.5 && (rb_dischargecoefficientcalc2 >= 0.1 && rb_dischargecoefficientcalc2 < 0.3))
  • {
  • flowratecalculated = 1.704599 * 0.873 * rbwidthconverted * pow(rbheadconverted,1.5);
  • }
  • else
  • if (rb_dischargecoefficientcalc1 >= 0.5 && rb_dischargecoefficientcalc1 < 0.7 && (rb_dischargecoefficientcalc2 >= 0.1 && rb_dischargecoefficientcalc2 < 0.3))
  • {
  • flowratecalculated = 1.704599 * 0.892 * rbwidthconverted * pow(rbheadconverted,1.5);
  • }
  • else
  • if (rb_dischargecoefficientcalc1 >= 0.7 && rb_dischargecoefficientcalc1 < 0.9 && (rb_dischargecoefficientcalc2 >= 0.1 && rb_dischargecoefficientcalc2 < 0.3))
  • {
  • flowratecalculated = 1.704599 * 0.911 * rbwidthconverted * pow(rbheadconverted,1.5);
  • }
  • else
  • if (rb_dischargecoefficientcalc1 >= 0.9 && rb_dischargecoefficientcalc1 < 1.1 && (rb_dischargecoefficientcalc2 >= 0.1 && rb_dischargecoefficientcalc2 < 0.3))
  • {
  • flowratecalculated = 1.704599 * 0.929 * rbwidthconverted * pow(rbheadconverted,1.5);
  • }
  • else
  • if (rb_dischargecoefficientcalc1 >= 1.1 && rb_dischargecoefficientcalc1 < 1.3 && (rb_dischargecoefficientcalc2 >= 0.1 && rb_dischargecoefficientcalc2 < 0.3))
  • {
  • flowratecalculated = 1.704599 * 0.944 * rbwidthconverted * pow(rbheadconverted,1.5);
  • }
  • else
  • if (rb_dischargecoefficientcalc1 >= 1.3 && rb_dischargecoefficientcalc1 < 1.5 && (rb_dischargecoefficientcalc2 >= 0.1 && rb_dischargecoefficientcalc2 < 0.3))
  • {
  • flowratecalculated = 1.704599 * 0.959 * rbwidthconverted * pow(rbheadconverted,1.5);
  • }
  • else
  • if (rb_dischargecoefficientcalc1 >= 1.5 && rb_dischargecoefficientcalc1 <= 1.6 && (rb_dischargecoefficientcalc2 >= 0.1 && rb_dischargecoefficientcalc2 < 0.3))
  • {
  • flowratecalculated = 1.704599 * 0.978 * rbwidthconverted * pow(rbheadconverted,1.5);
  • }


请登录以获得完整内容