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ASME PTC 10 1997 R2014

ASME PTC 10 1997 R2014

$98.04

ASME PTC 10 Performance Test Code on Compressors and Exhausters – Reaffirmed: 2014

Published By Publication Date Number of Pages
ASME 1997 204
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This Code provides test procedures to determine the thermodynamic performance of an axial or centrifugal compressor or exhauster doing work on a gas of known or measurable properties under specified conditions. This Code is written to provide explicit test procedures which will yield the highest level of accuracy consistent with the best engineering knowledge and practice currently available. Nonetheless, no single universal value of the uncertainty is, or should be, expected to apply to every test. The uncertainty associated with any individual PTC 10 test will depend upon practical choices made in terms of instrumentation and methodology. Rules are provided to estimate the uncertainty for individual tests. The scope of this Code includes instructions on test arrangement and instrumentation, test procedure, and methods for evaluation and reporting of final results. Rules are provided for establishing the following quantities, corrected as necessary to represent expected performance under specified operating conditions with the specified gas: (a) quantity of gas delivered, (b) pressure rise produced, (c) head, (d) shaft power required, (e) efficiency, (f) surge point, (g) choke point. Other than providing methods for calculating mechanical power losses, this Code does not cover rotor dynamics or other mechanical performance parameters. This Code is designed to allow the testing of single or multiple casing axial or centrifugal compressors or combinations thereof, with one or more stages of compression per casing. Procedures are also included for externally piped intercoolers and for compressors with interstage side load inlets or outlets. Internally cooled compressors are included provided that test conditions are held nearly identical to specified conditions.

PDF Catalog

PDF Pages PDF Title
5 Foreword
7 Committee Roster
8 Board Roster
9 Contents
11 1 Object and Scope
13 2 Definitions and Description of Terms
21 3 Guiding Principles
22 3.1 Permissible Deviation From Specified Operating Conditions for Type 1 Tests
3.2 Permissible Deviation From Specified Operating Parameters for Type 1 and 2 Tests
23 3.3 Limits of Departure From Ideal Gas Laws of Specified and Test Gases
24 3.1 Section Control Volumes
3.4 Permissible Fluctuations of Test Readings
26 3.2 Typical Sideload Sectional Compressors
28 3.3 Allowable Machine Mach Number Departures, Centrifugal Compressors
29 3.4 Allowable Machine Mach Number Departures, Axial Compressors
30 3.5 Allowable Machine Reynolds Number Departures, Centrifugal Compressors
31 3.6 Schultz Compressibility Factor – Function Y versus Reduced Pressure
32 3.7 Schultz Compressibility Factor – Function X versus Reduced Pressure
33 4 Instruments and Methods of Measurement
34 4.1 Inlet and Discharge Configuration
4.2 Open Inlet
35 4.3 Vortex Producing Axial Inlet
4.4 Open Discharge
36 4.5 Diffusing Volute Discharge With Nonsymmetric Flow
4.6 Typical Closed Loop
37 4.7 Typical Closed Loop With Sidestream
39 4.8 Straighteners and Equalizers
42 4.9 Inlet Nozzle on an Open Loop
43 4.10 Discharge Nozzle on an Open Loop, Subcritical Flow
4.11 Discharge Nozzle on an Open Loop, Critical Flow
45 4.12 Typical Sidestream Inlet Area
49 5 Computation of Results
50 5.1 Ideal Gas Dimensionless Parameters
51 5.2 Real Gas Dimensionless Parameters
58 5.3 Total Work Input Coefficient, All Gases
59 5.1 Specified Condition Capacity Coefficient for Specified Condition Capacity of Interest
60 5.4 Typical Conversion of Dimensionless Parameters
65 6 Report of Test
69 A Use of Total Pressure and Total Temperature to Define Compressor Performance
71 B Properties of Gas Mixtures
73 C Sample Calculations
75 C.1 Type 1 Test for a Centrifugal Compressor Using an Ideal Gas
95 C.2 Type 2 Test for a Centrifugal Compressor Using an Ideal Gas
119 C.3 Ideal Gas Application to Selection of Test Speed and Test Gas and Methods of Power Evaluation
129 C.4 Treatment of Bracketed Test Points
133 C.5 Selection of a Test Gas for a Type 2 Test Using Ideal and Real Gas Equations
149 C.6 Type 2 Test Using Real Gas Equations for Data Reduction
161 C.7 Treatment of a Two Section Compressor With Externally Piped Intercoolers, Condensate Removal
169 C.8 Application of Uncertainty Analysis
175 D References
177 E Rationale for Calculation Methods
193 F Reynolds Number Correction
195 G Refined Methods for Calculating Total Conditions
197 H SI Units

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ASME PTC 10 1997 R2014
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