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ASME PTC 19.1 05:2005 Edition

ASME PTC 19.1 05:2005 Edition

$98.04

ASME PTC 19.1 Test Uncertainty

Published By Publication Date Number of Pages
ASME 2005 104
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PDF Catalog

PDF Pages PDF Title
4 CONTENTS
5 FIGURES
TABLES
7 NONMANDATORY APPENDICES
8 NOTICE
9 FOREWORD
10 COMMITTEE ROSTER
12 Section 1 Introduction
1-1 GENERAL
1-2 HARMONIZATION WITH INTERNATIONAL STANDARDS
1-3 APPLICATIONS
13 Section 2 Object and Scope
2-1 OBJECT
2-2 SCOPE
14 Section 3 Nomenclature and Glossary
3-1 NOMENCLATURE
3-2 GLOSSARY
16 Section 4 Fundamental Concepts
4-1 ASSUMPTIONS
4-2 MEASUREMENT ERROR
4-3 MEASUREMENT UNCERTAINTY
17 4-2-1 Illustration of Measurement Errors
18 4-2-2 Measurement Error Components
19 4-3.1 Distribution of Measured Values (Normal Distribution)
22 4-4 PRETEST AND POSTTEST UNCERTAINTY ANALYSES
4-3.3 Uncertainty Interval
24 Section 5 Defining the Measurement Process
5-1 OVERVIEW
5-2 SELECTION OF THE APPROPRIATE “TRUE VALUE”
5-3 IDENTIFICATION OF ERROR SOURCES
25 5-3.1 Generic Measurement Calibration Hierarchy
26 5-4 CATEGORIZATION OF UNCERTAINTIES
27 5-5 COMPARATIVE VERSUS ABSOLUTE TESTING
5-4.3 Difference Between “Within” and “Between” Sources of Data Scatter
28 Section 6 Uncertainty of a Measurement
6-1 RANDOM STANDARD UNCERTAINTY OF THE MEAN
29 6-2 SYSTEMATIC STANDARD UNCERTAINTY OF A MEASUREMENT
30 6-3 CLASSIFICATION OF UNCERTAINTY SOURCES
6-4 COMBINED STANDARD AND EXPANDED UNCERTAINTY OF A MEASUREMENT
31 6-4-1 Circulating Water Bath Temperature Measurements (Example 6-4.1)
32 6-4-2 Systematic Uncertainty of Average Circulating Water Bath Temperature Measurements (Example 6-4.1)
33 Section 7 Uncertainty of a Result
7-1 PROPAGATION OF MEASUREMENT UNCERTAINTIES INTO A RESULT
34 7-2 SENSITIVITY
7-3 RANDOM STANDARD UNCERTAINTY OF A RESULT
35 7-4 SYSTEMATIC STANDARD UNCERTAINTY OF A RESULT
7-5 COMBINED STANDARD UNCERTAINTY AND EXPANDED UNCERTAINTY OF A RESULT
7-6 EXAMPLES OF UNCERTAINTY PROPAGATION
36 7-6.1-1 Table of Data (Example 7-6.1)
37 7-6.1-2 Summary of Data (Example 7-6.1)
7-6.2-1 Table of Data (Example 7-6.2)
38 7-6.2 Pareto Chart of Systematic and Random Uncertainty Component Contributions to Combined Standard Uncertainty
7-6.2-2 Summary of Data (Example 7-6.2)
39 Section 8 Additional Uncertainty Considerations
8-1 CORRELATED SYSTEMATIC STANDARD UNCERTAINTIES
40 8-1 Burst Pressures (Example 8-1-1)
42 8-2 NONSYMMETRIC SYSTEMATIC UNCERTAINTY
43 8-2.1 Schematic Relation Between Parameters Characterizing Nonsymmetric Uncertainty
45 8-2.2 Relation Between Parameters Characterizing Nonsymmetric Uncertainty
46 8-3 FOSSILIZATION OF CALIBRATIONS
47 8-4 SPATIAL VARIATION [12]
8-5 ANALYSIS OF REDUNDANT MEANS
48 8-5.1 Three Posttest Cases
49 8-6 REGRESSION UNCERTAINTY
51 8-6.4.5 Systematic Standard Uncertainty Components for Yˆ Determined from Regression Equation
52 Section 9 Step-by-Step Calculation Procedure
9-1 GENERAL CONSIDERATIONS
9-2 CALCULATION PROCEDURE
53 9-2-1 Table of Data
9-2-2 Summary of Data
54 Section 10 Examples
10-1 FLOW MEASUREMENT USING PITOT TUBES
55 10-1.1 Traverse Points (Example 10-1)
10-1.2 Average Values (Example 10-1)
56 10-1.3-1 Standard Deviations (Example 10-1)
10-1.3-2 Summary of Average Velocity Calculation (Example 10-1)
57 10-1.6 Standard Deviation of Average Velocity (Example 10-1)
58 10-2 FLOW RATE UNCERTAINTY [12]
59 10-2.1 Schematic of a 6 in. x 4 in. Venturi
10-1.9 Uncertainty of Result (Example 10-1)
10-2.1-1 Uncalibrated Case (Example 10-2)
61 10-3 FLOW RATE UNCERTAINTY INCLUDING NONSYMMETRICAL SYSTEMATIC STANDARD UNCERTAINTY
10-2.1-2 Absolute Sensitivity Coefficients in Example 10-2 (Calculated Numerically)
62 10-4 COMPRESSOR PERFORMANCE UNCERTAINTY
10-2.1-3 Absolute Sensitivity Coefficients in Example 10-2 (Calculated Analytically)
63 10-2.1-4 Absolute Contributions of Uncertainties of Independent Parameters (Example 10-2: Uncalibrated Case)
10-2.1-5 Summary: Uncertainties in Absolute Terms (Example 10-2: Uncalibrated Case)
10-2.1.1-1 Relative Uncertainty of Measurement (Example 10-2: Uncalibrated Case)
64 10-2.1.1-2 Relative Contributions of Uncertainties of Independent Parameters (Example 10-2: Uncalibrated Case)
10-2.1.1-3 Summary: Uncertainties in Relative Terms for the Uncalibrated Case
10-2.1.1-4 Relative Uncertainties of Independent Parameters (Example 10-2: Calibrated Case)
65 10-2.1.1-5 Relative Contributions of Uncertainties of Independent Parameters (Example 10-2: Calibrated Case)
10-2.1.1-6 Summary: Uncertainties in Relative Terms for the Calibrated Case
10-2.1.1-7 Summary: Comparison Between Calibrated and Uncalibrated Cases
66 10-3-1 Absolute Contributions of Uncertainties of Independent Parameters (Example 10-3: Uncalibrated, Nonsymmetrical Systematic Uncertainty Case)
67 10-3-2 Summary: Uncertainties in Absolute Terms (Example 10-3: Uncalibrated, Nonsymmetrical Systematic Uncertainty Case)
10-4.1-1 Elemental Random Standard Uncertainties Associated With Error Sources Identified in Para. 10-4.2
68 10-4.1 Typical Pressure and Temperature Locations for Compressor Efficiency Determination
10-4.1-2 Independent Parameters
10-4.1-3 Calculated Result
69 10-4.3.2-1 Inlet and Exit Pressure Elemental Systematic Standard Uncertainties
70 10-4.3.2-2 Inlet and Exit Temperature Elemental Systematic Standard Uncertainties
72 10-4.7 The h-s Diagram of the Actual and Isentropic Processes of an Adiabatic Compressor
73 10-5 PERIODIC COMPARATIVE TESTING
10-4.7 Evaluation of Analysis Error
74 10-5.1-1 Installed Arrangement
10-5.1-1 Pump Design Data (TC 20°C)
10-5.1-2 Summary of Test Results
75 10-5.1-2 Pump Design Curve With Factory and Field Test Data Shown
10-5.1-3 Comparison of Test Results With Independent Control Conditions
77 10-5.2-1 Uncertainty Propagation for Comparison With Independent Control
10-5.2-2 Summary: Uncertainties in Absolute Terms
10-5.2-3 Summary of Results for Each Test
78 10-5.2 Comparison of Test Results Using the Initial Field Test as the Control
79 10-5.3-1 Uncertainty Propagation for Comparative Uncertainty
10-5.3-2 Sensitivity Coefficient Estimates for Comparative Analysis
80 Section 11 References
82 Section 12 Bibliography
84 A Statistical Considerations
95 B Uncertainty Analysis Models
98 C Propagation of Uncertainty Through Taylor Series
103 D The Central Limit Theorem

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