BS 4857-1:1972
Current
The latest, up-to-date edition.
Methods for testing and rating terminal reheat units for air distribution systems Thermal and aerodynamic performance
Hardcopy , PDF
English
10-11-1972
Co-operating organizations
Foreword
Methods
1 Scope
2 Definitions
3 Nomenclature
4 Instrumentation
5 Test for casing leakage
6 Test of constant flow rate controller characteristics
7 Test for air flow pressure characteristics
8 Heat transfer measurements
9 Rating examples
Figures
1 Thermometer pockets in pipes less than 75 mm diameter
2 Typical open circuit test equipment
3 Typical closed circuit test equipment
4 Inlet air supply
5 Piezometer ring and inverted tube pattern manometer
6 Water temperature correction factor
7 Thermal characteristics
8 Rating example
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