MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 19.3 - EVAPORATIVE LOSS MEASUREMENT - PART A - WIND TUNNEL TEST METHOD FOR THE MEASUREMENT OF DECK-FITTING LOSS FACTORS FOR EXTERNAL FLOATING-ROOF TANKS
American Petroleum Institute
0 INTRODUCTION
1 SCOPE
2 REFERENCES
3 TERMINOLOGY
3.1 Definitions
3.2 Units of Measurement
3.3 Nomenclature
4 SUMMARY OF TEST METHOD
5 SIGNIFICANCE AND USE
6 LIMITATIONS TO TEST METHOD
6.1 Evaluation of Results
6.2 Low Loss Rates
7 TEST APPARATUS
7.1 Test Apparatus Schematic
7.2 Test Room
7.3 Wind Tunnel
7.4 Air Blower
7.5 Vibration Damping
7.6 Test Vessels
8 TEST ITEM
8.1 Test Item Assembly
8.2 Fitting Attachment
8.3 Fitting Placement
8.4 Tall Fittings
8.5 Fitting Orientation
9 PREPARATION OF APPARATUS
9.1 Test Assembly Placement
9.2 Air Blower Startup
9.3 Steady State Operation
10 INSTRUMENTATION AND CALIBRATION
10.1 Accuracy
10.2 Data Acquisition System
10.3 Weight Measurement
10.4 Temperature Measurement
10.5 Wind Speed Measurement
10.6 Voltage Measurement
10.7 Atmospheric Pressure Measurement
11 TEST PROCEDURE
11.1 Levels of Wind Speed
11.2 Data To Be Recorded
11.3 Duration of Test
12 CALCULATION OF TEST RESULTS
12.1 Calibration Corrections
12.2 Loss Rate
12.3 Vapor Pressure Function
12.4 Loss Factor
12.5 Multiple Tests
12.6 Uncertainty Analysis
12.7 Loss Factor Determination
13 REPORT OF TEST RESULTS
13.1 Report
13.2 Loss Rate Curve
13.3 Loss Factor Graph
14 PRECISION AND BIAS
APPENDIX A - LOSS RATE DETERMINATION
APPENDIX B - UNCERTAINTY ANALYSIS
APPENDIX C - DETERMINATION OF LOSS FACTOR EQUATION
APPENDIX D - METRIC UNITS
APPENDIX E - BIBLIOGRAPHY
Describes the test apparatus, the instruments, the test procedures, and the calculation procedures to be used. The variables that are to be measured are defined and quality provisions are stipulated.
| Document Type | Standard |
| Status | Current |
| Publisher | American Petroleum Institute |
| ProductNote | Reconfirmed 1997 |
