AS 2360.7.2-1993

1-AS 2360.7.2-1993 MEASUREMENT OF FLUID FLOW IN CLOSED CONDUITS - ASSESSMENT OF UNCERTAINTY IN THE CALIBRATION AND USE OF FLOW
4-PREFACE
7-0 Introduction
7-1 Scope and field of application
7-2 References
7-3 Definitions
7-3.1 method of least squares
7-3.2 polynomial (function)
7-3.3 regression analysis
7-3.4 standard deviation
7-3.5 variance
7-4 Symbols and abbreviations
8-5 Curve fitting
8-5.1 General
9-5.2 Computational methods
9-5.3 Selecting the optimum degree of fit
10-6 Uncertainty
11-Annex A - Regression methods
11-A.1 Introduction
11-A.2 Multiple linear regression
12-A.3 Polynomial (curvilinear) regression
12-A.4 Computation of coefficients and variances
14-A.5 Centred formulation
14-A.6 Numerical techniques used in computer libraries
15-Annex B - Orthogonal polynomial curve fitting
17-Annex C - Computer program using orthogonal polynomials
17-C.1 Input and output
17-C.2 Program description
17-C.3 Possible modifications
23-Annex D - Examples
23-D.1 Example 1: Calibration of a differential pressure flow-meter
24-D.2 Example 2: Calibration of a turbine meter
25-D.3 Example 3: Calibration of a stream flow station