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ASHRAE 51 07:2007 Edition

ASHRAE 51 07:2007 Edition

$48.75

ASHRAE Standard 51-2007 Laboratory Methods of Testing Fans for Aerodynamic Performance Rating (AMCA Standard 210-99) (ANSI approved)

Published By Publication Date Number of Pages
ASHRAE 2007 77
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PDF Catalog

PDF Pages PDF Title
3 Foreword
Foreword
6 TABLE OF CONTENTS
TABLE OF CONTENTS
9 3. Definitions/Units of Measure/Symbols
3. Definitions/Units of Measure/Symbols
3.1 Definitions
3.1 Definitions
10 1. Purpose and Scope
1. Purpose and Scope
2. Normative References
2. Normative References
11 3.2 Units of measure
3.2 Units of measure
3.3 Symbols and subscripts
3.3 Symbols and subscripts
4. Instruments and Methods ofMeasurement
4. Instruments and Methods ofMeasurement
4.1 Accuracy [3]
4.1 Accuracy [3]
13 4.2 Pressure
4.2 Pressure
17 4.3 Airflow rate
4.3 Airflow rate
4.4 Fan input power
4.4 Fan input power
4.5 Rotational speed
4.5 Rotational speed
4.6 Air density
4.6 Air density
5. Test Setups and Equipment
5. Test Setups and Equipment
5.1 Setup
5.1 Setup
19 5.2 Duct
5.2 Duct
5.3 Chamber
5.3 Chamber
5.4 Variable air supply and exhaust systems
5.4 Variable air supply and exhaust systems
6. Observations and Conduct of Test
6. Observations and Conduct of Test
6.1 General test requirements
6.1 General test requirements
21 6.2 Data to be recorded
6.2 Data to be recorded
7. Calculations
7. Calculations
7.1 Calibration correction
7.1 Calibration correction
7.2 Density and viscosity of air
7.2 Density and viscosity of air
7.3 Fan airflow rate at test conditions
7.3 Fan airflow rate at test conditions
23 7.4 Fan velocity pressure at test conditions
7.4 Fan velocity pressure at test conditions
26 7.5 Fan total pressure at test conditions
7.5 Fan total pressure at test conditions
27 7.6 Fan static pressure at test conditions
7.6 Fan static pressure at test conditions
7.7 Fan power input at test conditions
7.7 Fan power input at test conditions
7.8 Fan efficiency
7.8 Fan efficiency
7.9 Conversion of results to other rotationalspeeds and air densities
7.9 Conversion of results to other rotationalspeeds and air densities
29 8. Report and Results of Test
8. Report and Results of Test
8.1 Report
8.1 Report
8.2 Performance graphical representation oftest results
8.2 Performance graphical representation oftest results
53 Annex A. Airflow Settling MeansEffectiveness Check (Normative)
Annex A. Airflow Settling MeansEffectiveness Check (Normative)
A.1 General requirements
A.1 General requirements
55 A.2 Piezometer ring check (optional)
A.2 Piezometer ring check (optional)
A.3 Blow through verification test
A.3 Blow through verification test
A.4 Reverse flow verification test
A.4 Reverse flow verification test
Annex B. Chamber Leakage Rate TestProcedure (Informative)
Annex B. Chamber Leakage Rate TestProcedure (Informative)
B.1 Pressure decay method
B.1 Pressure decay method
B.2 Flow meter method
B.2 Flow meter method
57 Annex C. Tubing (Informative)
Annex C. Tubing (Informative)
59 Annex D. Derivations of Equations(Informative)
Annex D. Derivations of Equations(Informative)
D.1 General
D.1 General
D.2 Symbols
D.2 Symbols
D.3 Fan total efficiency equation
D.3 Fan total efficiency equation
D.4 Compressibility coefficient
D.4 Compressibility coefficient
D.5 Derivation of Kp in terms of x and z
D.5 Derivation of Kp in terms of x and z
D.6 Conversion equations
D.6 Conversion equations
61 D.7 Derivation of constants used in I-Psystem formulae
D.7 Derivation of constants used in I-Psystem formulae
Annex E. Similarity and Fan Laws(Informative)
Annex E. Similarity and Fan Laws(Informative)
E.1 Similarity
E.1 Similarity
E.2 Symbols
E.2 Symbols
E.3 Fan laws for incompressible flow
E.3 Fan laws for incompressible flow
63 E.4 Fan laws for compressible flow
E.4 Fan laws for compressible flow
65 E.5 Fan law deviations
E.5 Fan law deviations
Annex F. Uncertainties Analysis [10](Informative)
Annex F. Uncertainties Analysis [10](Informative)
F.1 General
F.1 General
F.2 Symbols
F.2 Symbols
67 F.4 Combined uncertainties
F.4 Combined uncertainties
68 F.3 Measurement uncertainties
F.3 Measurement uncertainties
69 F.5 Example
F.5 Example
72 F.6 Summary
F.6 Summary
73 Annex G. Iterative Procedure(Informative)
Annex G. Iterative Procedure(Informative)
G.1 Iterative procedure
G.1 Iterative procedure
75 Annex H. General References/Blibliography (Informative)
Annex H. General References/Blibliography (Informative)

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