Notice
Foreword
Committee Roster
Correspondence With the PTC 11 Committee
1 Object and Scope
  1-1 Object
  1-2 Scope
  1-3 Applicability
  1-4 Uncertainty
2 Definitions of Terms, Symbols, and Their Descriptions
  2-1 Symbols
  2-2 Definitions
3 Guiding Principles
  3-1 Introduction
  3-2 Prior Agreements
  3-3 Code Philosophy
  3-4 System Design Considerations
  3-5 Internal Inspection and Measurement of Cross Section
  3-6 Test Personnel
  3-7 Point of Operation
  3-8 Method of Operation During Test
  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
  4-1 General Considerations
  4-2 Traverse Specifications
  4-3 Barometric Pressure
  4-4 Temperature
  4-5 Moisture
  4-6 Gas Composition
  4-7 Pressure Sensing
  4-8 Pressure Indicating
  4-9 Yaw and Pitch
  4-10 Rotational Speed
  4-11 Input Power
5 Computation of Results
  5-1 General Considerations
  5-2 Correction of Traverse Data
  5-3 Gas Composition
  5-4 Density
  5-5 Fluid Velocity
  5-6 Mass Flow Rate
  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
  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
  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
Mandatory Appendix
I - Reduced Load Fan Input Power Determination
Nonmandatory Appendices
A - Data Sheets
B - Sample Calculations
C - Method of Approaching a Specified Point of Operation
D - Derivations of Uncertainties Equations
E - References and Further Reading