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ASME PTC11 Fans, 2008
- CONTENTS
- NOTICE
- FOREWORD
- COMMITTEE ROSTER
- CORRESPONDENCE WITH THE PTC 11 COMMITTEE
- 1 Object and Scope [Go to Page]
- 1- 1 OBJECT [Go to Page]
- 1- 1.1 Objectives
- 1- 1.2 Principal Quantities
- 1- 1.3 Additional Quantities
- 1- 1.4 Other Quantities
- 1- 2 SCOPE
- 1- 3 APPLICABILITY
- 1- 4 UNCERTAINTY
- 2 Definitions of Terms, Symbols, and Their Descriptions [Go to Page]
- 2- 1 SYMBOLS
- 2- 2 DEFINITIONS
- 3 Guiding Principles [Go to Page]
- 3- 1 INTRODUCTION
- 3- 2 PRIOR AGREEMENTS
- 3- 3 CODE PHILOSOPHY 3- 3.1 Fan Performance
- 3- 4 SYSTEM DESIGN CONSIDERATIONS
- 3- 5 INTERNAL INSPECTION AND MEASUREMENT OF CROSS SECTION
- 3- 6 TEST PERSONNEL 3- 6.1 Test Team
- 3- 7 POINT OF OPERATION
- 3- 8 METHOD OF OPERATION DURING TEST 3- 8.1 Manual Mode Operation
- 3- 9 INSPECTION, ALTERATIONS, AND ADJUSTMENTS
- 3- 10 INCONSISTENCIES
- 3- 11 MULTIPLE INLETS OR DUCTS
- 3- 12 PRELIMINARY TEST
- 3- 13 REFERENCE MEASUREMENTS
- 4 Instruments and Methods of Measurement [Go to Page]
- 4- 1 GENERAL CONSIDERATIONS 4- 1.1 Accuracy
- 4- 2 TRAVERSE SPECIFICATIONS 4- 2.1 Quantities Measured by Traverse
- 4- 3 BAROMETRIC PRESSURE
- 4- 4 TEMPERATURE 4- 4.1 Instruments
- 4- 4.5 Operation
- 4- 5 MOISTURE 4- 5.1 Instruments
- 4- 6 GAS COMPOSITION 4- 6.1 Instruments
- 4- 7 PRESSURE SENSING
- 4- 8 PRESSURE INDICATING 4- 8.1 Instruments
- 4- 9 YAW AND PITCH 4- 9.1 Instruments
- 4- 10 ROTATIONAL SPEED 4- 10.1 Instruments
- 4- 11 INPUT POWER 4- 11.1 Instruments
- 5 Computation of Results [Go to Page]
- 5- 1 GENERAL CONSIDERATIONS
- 5- 2 CORRECTION OF TRAVERSE DATA
- 5- 3 GAS COMPOSITION
- 5- 4 DENSITY 5- 4.1 Atmospheric Air
- 5- 5 FLUID VELOCITY 5- 5.1 Point Velocities
- 5- 6 MASS FLOW RATE 5- 6.1 Mass Flow Rate at Plane
- 5- 7 FLOW- WEIGHTED AVERAGES
- 5- 8 FAN INPUT POWER
- 5- 9 FAN SPEED ( SLIP METHOD)
- 5- 10 MASS FLOW RATE: SPECIFIC ENERGY APPROACH
- 5- 11 VOLUME FLOW RATE: PRESSURE APPROACH
- 5- 12 INLET FLOW DISTORTION
- 5- 13 UNCERTAINTIES
- 6 Report of Results [Go to Page]
- 6- 1 GENERAL REQUIREMENTS
- 6- 2 EXECUTIVE SUMMARY
- 6- 3 INTRODUCTION
- 6- 4 CALCULATIONS AND RESULTS
- 6- 5 INSTRUMENTATION
- 6- 6 CONCLUSIONS
- 6- 7 APPENDICES
- 7 Uncertainty Analysis [Go to Page]
- 7- 1 INTRODUCTION
- 7- 2 UNCERTAINTY PROPAGATION EQUATIONS
- 7- 3 ASSIGNING VALUES TO PRIMARY UNCERTAINTIES
- 7- 4 FAN MASS FLOW AND UNCERTAINTY FOR MULTIPLE TRAVERSE PLANES
- Figures [Go to Page]
- 2-2.4-1 Typical Input and Outlet Boundaries
- 2-2.4-2 Typical Input Power Boundaries
- 4-2.2-1 Fan Room Pressure
- 4-2.4-1 Sampling Point Details (Rectangular Duct)
- 4-2.4-2 Sampling Point Details (Circular Duct)
- 4-2.4-3 Number of Traverse Points
- 4-2.5-1 Probe Orientation: Centrifugal Fans
- 4-2.5-2 Probe Orientation: Axial Fans
- 4-7-1 Fechheimer Probe
- 4-7-2 Five-Hole Probe
- 4-7-3 Yaw and Pitch Planes
- 4-7-4 Yaw and Pitch Convention
- 4-7.1-1 Five-Hole Probe Photos
- 4-7.1-2 Prism Probe Cut-Away
- 4-7.3-1 Free Stream Nozzle Jet
- 4-7.3-2 Wind Tunnel
- 4-7.3-3 Free Stream
- 4-9.3-1 Pitch Angle, Ф, Versus Pitch Coefficient, CФ
- 4-9.3-2 Velocity Pressure Coefficient, Kv, Versus Pitch Pressure Coefficient, CФ
- 4-9.3-3 Total Pressure Coefficient, Kt, Versus Pitch Pressure Coefficient, CФ
- 5-12.7-1 Traverse Point Geometry
- Tables [Go to Page]
- 4-11.5-1 Summary of Instrumentation Requirements
- 7-3.2.2-1 Typical Values for Primary Systematic Uncertainty
- MANDATORY APPENDIX [Go to Page]
- I REDUCED LOAD FAN INPUT POWER DETERMINATION [Go to Page]
- Fig. I- 1 Preferred Point Locations [Go to Page]
- Fig. I- 1 Preferred Point Locations
- Fig. I- 2 Four- Point, Distance- Weighted Interpolation Method [Go to Page]
- Fig. I- 2 Four- Point, Distance- Weighted Interpolation Method
- NONMANDATORY APPENDICES [Go to Page]
- A DATA SHEETS [Go to Page]
- SAMPLE DATA SHEET DUCT MEASUREMENTS [Go to Page]
- SAMPLE DATA SHEET DUCT MEASUREMENTS
- B SAMPLE CALCULATIONS [Go to Page]
- Table B- 1F Unit Conversions and Constants Variable Formula/ Value [Go to Page]
- Table B- 1F Unit Conversions and Constants Variable Formula/ Value
- Variable Formula/ Value [Go to Page]
- Variable Formula/ Value
- Table 8F Uncertainties in Atmospheric Mesurements Variable [Go to Page]
- Table 8F Uncertainties in Atmospheric Mesurements Variable
- Table B- 9F Systematic Uncertainties in Measurements [Go to Page]
- Table B- 9F Systematic Uncertainties in Measurements
- Table B- 9F Random Uncertainties in Measurements [Go to Page]
- Table B- 9F Random Uncertainties in Measurements
- Variable Formula [Go to Page]
- Variable Formula
- Table B- 20F Calculations for Reference Measurements [Go to Page]
- Table B- 20F Calculations for Reference Measurements
- Table B- 21F Calculations for Gas Measurements at Plane 1A [Go to Page]
- Table B- 21F Calculations for Gas Measurements at Plane 1A
- C METHOD OF APPROACHING A SPECIFIED POINT OF OPERATION [Go to Page]
- C- 1 INTRODUCTION [Go to Page]
- C- 1 INTRODUCTION
- C- 2 FLOW MEASUREMENT [Go to Page]
- C- 2 FLOW MEASUREMENT
- Fig. C- 2- 1 Typical Centrifugal Fan Arrangement Showing Flow and Differential Pressure Measurement Locations [Go to Page]
- Fig. C- 2- 1 Typical Centrifugal Fan Arrangement Showing Flow and Differential Pressure Measurement Locations
- Fig. C- 2- 2 Axial Fan Arrangement Showing Where Flow Rate Can Be Monitored Fig. C- 2- 3 Averaging Impact- Suction Flow- Monitoring Probe [Go to Page]
- Fig. C- 2- 2 Axial Fan Arrangement Showing Where Flow Rate Can Be Monitored Fig. C- 2- 3 Averaging Impact- Suction Flow- Monitoring Probe
- C- 2.1 Flow Calibration [Go to Page]
- C- 2.1 Flow Calibration
- C- 3 TEST PROCEDURE [Go to Page]
- C- 3 TEST PROCEDURE
- Table C- 3- 1 Test Procedure [Go to Page]
- Table C- 3- 1 Test Procedure
- D DERIVATIONS OF UNCERTAINTIES EQUATIONS [Go to Page]
- D- 1 UNCERTAINTY IN THE MASS FLOW RATE, [Go to Page]
- D- 1 UNCERTAINTY IN THE MASS FLOW RATE,
- , AT PLANE [Go to Page]
- , AT PLANE
- D- 2 UNCERTAINTY IN [Go to Page]
- D- 2 UNCERTAINTY IN
- , THE AVERAGE STATIC PRESSURE, AT PLANE [Go to Page]
- , THE AVERAGE STATIC PRESSURE, AT PLANE
- D- 3 UNCERTAINTY IN THE AVERAGE DENSITY, [Go to Page]
- D- 3 UNCERTAINTY IN THE AVERAGE DENSITY,
- AT PLANE [Go to Page]
- AT PLANE
- D- 4 UNCERTAINTY IN THE AVERAGE SPECIFIC KINETIC ENERGY, [Go to Page]
- D- 4 UNCERTAINTY IN THE AVERAGE SPECIFIC KINETIC ENERGY,
- , AT PLANE [Go to Page]
- , AT PLANE
- D- 5 UNCERTAINTY IN THE AVERAGE VELOCITY PRESSURE, [Go to Page]
- D- 5 UNCERTAINTY IN THE AVERAGE VELOCITY PRESSURE,
- , AT PLANE [Go to Page]
- , AT PLANE
- D- 6 UNCERTAINTY IN THE AVERAGE TOTAL PRESSURE, [Go to Page]
- D- 6 UNCERTAINTY IN THE AVERAGE TOTAL PRESSURE,
- , AT PLANE [Go to Page]
- , AT PLANE
- D- 7 UNCERTAINTY IN THE AVERAGE ABSOLUTE STATIC PRESSURE, [Go to Page]
- D- 7 UNCERTAINTY IN THE AVERAGE ABSOLUTE STATIC PRESSURE,
- , AT PLANE [Go to Page]
- , AT PLANE
- D- 8 UNCERTAINTY IN THE INPUT POWER, [Go to Page]
- D- 8 UNCERTAINTY IN THE INPUT POWER,
- , FOR A CALIBRATED AC MOTOR [Go to Page]
- , FOR A CALIBRATED AC MOTOR
- D- 9 UNCERTAINTY IN THE FAN MEAN DENSITY, [Go to Page]
- D- 9 UNCERTAINTY IN THE FAN MEAN DENSITY,
- D- 10 UNCERTAINTY IN THE FAN SPECIFIC ENERGY, [Go to Page]
- D- 10 UNCERTAINTY IN THE FAN SPECIFIC ENERGY,
- D- 11 UNCERTAINTY IN THE FAN OUTPUT POWER, [Go to Page]
- D- 11 UNCERTAINTY IN THE FAN OUTPUT POWER,
- D- 12 UNCERTAINTY IN THE FAN VOLUME FLOW RATE, [Go to Page]
- D- 12 UNCERTAINTY IN THE FAN VOLUME FLOW RATE,
- D- 13 UNCERTAINTY IN THE FAN OUTPUT POWER, [Go to Page]
- D- 13 UNCERTAINTY IN THE FAN OUTPUT POWER,
- E REFERENCES AND FURTHER READING [Go to Page]
- E- 1 REFERENCES [Go to Page]
- E- 1 REFERENCES
- E- 2 FURTHER READING [Go to Page]
- E- 2 FURTHER READING [Go to Page]
