ASME MFC 7M 1987 R2006
$98.04
ASME MFC-7M Measurement of Gas Flow by Means of Critical Flow Venturi Nozzles
| Published By | Publication Date | Number of Pages |
| ASME | 1987 | 38 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 3 | Foreword |
| 4 | Standards Committee Roster |
| 6 | CONTENTS |
| 8 | 1 Scope and Field of Application 2 Symbols and Definitions 2.1 Symbols 2.2 Definitions |
| 9 | Table 1 Symbols |
| 12 | 3 Basic Equations 3.1 State Equation 3.2 Flow Rate in Ideal Conditions 3.3 Flow Rate in Real Conditions 4 Applications For Which the Method is Suitable |
| 13 | 5 Standard Critical Flow Venturi Nozzles 5.1 General Requirements 5.2 Standard Venturi Nozzles |
| 14 | Figures 1 Toroidal Throat Venturi Nozzle |
| 15 | 6 Installation Requirements 6.1 General 6.2 Upstream Pipeline 6.3 Large Upstream Space 6.4 Downstream Requirements 6.5 Pressure Measurement 2 Cylindrical Throat Venturi Nozzle |
| 16 | 3 Installation Requirements for an Upstream Pipework Configuration 4 Detail of Pressure Tap |
| 17 | 6.6 Drain Holes 6.7 Temperature Measurement 6.8 Density Measurement 7 Calculation Methods 7.1 Method of MassFlow Rate Computation 7.2 Discharge Coefficient |
| 18 | 7.3 Computation of Real Gas Critical Flow Function 7.4 Conversion of Measured Pressure and Temperature to Stagnation Conditions 7.5 Maximum Permissible Downstream Pressure 8 Uncertainties in the Measurement of Flow Rate |
| 19 | 5 Maximum Permissible Back Ratio for Critical Flow Venturi Nozzles |
| 20 | Appendices A Venturi Nozzle Discharge Coefficients Tables A1 Toroidal Throat Venturi Nozzle Discharge Coefficient A2 Cylindrical Throat Venturi Nozzle Discharge Coefficient |
| 21 | A3 Comparison of Theoretical and Experimental Discharge Coefficients for the Toroidal Throat Nozzle |
| 22 | B References from Which Standard Critical Flow Venturi Nozzle Discharge Coefficients Were Obtained |
| 23 | C Example Flow Calculation Figure C1 Sectional View of the Nozzle and Pipe |
| 30 | D Critical Flow Functions |
| 32 | E The Critical Flow Coefficient |
| 35 | E1 Table of Fluids for Various Equations of State |
| 36 | E2 Critical Flow Coefficient for Nitrogen E3 Critical Flow Coefficient for Oxygen E4 Critical Flow Coefficient for Argon |
| 37 | E5 Critical Flow Coefficient for Methane E6 Critical Flow Coefficient for Carbon Dioxide |
