BS 3122-1:1990

Superseded

View Superseded by

Refrigerant compressors Methods of test for performance

Available format(s)

Hardcopy , PDF

Superseded date

06-30-2009

Language(s)

English

Published date

07-31-1990

Publisher

British Standards Institution

Committees responsible
National foreword
1 Scope and field of application
2 References
3 Definitions
Section one: Determination of refrigerating capacity
               and of volumetric efficiency
4 General procedure
5 Basic test conditions and deviations
6 Basis of calculations
7 Test methods
8 Method A: Secondary fluid calorimeter
9 Method B: Flooded system refrigerant calorimeter
10 Method C: Dry system refrigerant calorimeter
11 Methods D1 and D2: Refrigerant vapour flowmeter
12 Method F: Refrigerant liquid quantity using a
    flowmeter
13 Method G: Water-cooled condenser
14 Method J: Refrigerant vapour cooling
15 Method K: Calorimeter in compressor discharge line
Section two: Determination of the power, isentropic
               efficiency and coefficient of performance
16 General procedure
17 Determination of the power input
18 Determination of the isentropic efficiency
19 Determination of the coefficient of performance
Section three: Reporting of results
20 Test report
Annexes
A Type and calibration of measuring instruments and
    accuracy of measurement
B Symbols used in the text for calculations
C Estimation of errors
Table
1 Combinations of tests X and Y
Figures
1 Method A
2 Method B
3 Method C
4 Circuit diagrams for methods D1 and D2
5 Method F
6 Method G
7 Method J
8 Method K
9 Log p versus h diagram
10 Example showing the determination of errors in the
    enthalpy values for method G (see figure 6)

Gives test methods for the determination of the refrigerating capacity, the power, isentropic efficiency and coefficient of performance.

Committee	RHE/4
DevelopmentNote	Also numbered as ISO 917 Supersedes 87/73247 DC and BS 3122-1(1977) (07/2005)
DocumentType	Standard
Pages	36
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS EN 13771-1:2003 BS EN 13771-1:2016
Supersedes	BS 3122-1:1977

BS 1042-1.1(1981) : 1981	MEASUREMENT OF FLUID FLOW IN CLOSED CONDUITS - SPECIFICATION FOR SQUARE-EDGED ORIFICE PLATES, NOZZLES AND VENTURI TUBES INSERTED IN CIRCULAR CROSS SECTION CONDUITS RUNNING FULL
ISO/R 916:1968	Testing of refrigerating systems
BS 4434:1989	Specification for safety aspects in the design, construction and installation of refrigerating appliances and systems
BS 5844:1980	Methods of measurement of fluid flow: estimation of uncertainty of a flow-rate measurement