BS EN 1216:1999:2003 Edition
$142.49
Heat exchangers. Forced circulation air-cooling and air-heating coils. Test procedures for establishing the performance
Published By | Publication Date | Number of Pages |
BSI | 2003 | 26 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
1 | BRITISH STANDARD |
2 | National foreword |
4 | Foreword Foreword to amendment A1 Contents |
5 | 0 Introduction 1 Scope 2 Normative references 3 Definitions 3.1 forced-circulation air-cooling or air-heating coil 3.1.1 forced-circulation-air-cooling-coil 3.1.2 forced-circulation-air-heating-coil 3.1.3 cooling-fluid 3.1.4 heating-fluid |
6 | 3.1.5 (primary) refrigerant 3.1.6 liquid 3.2 Coil dimensions 3.2.1 row 3.2.2 coil-inlet-area 3.2.3 total-heat-transfer-surface (air-side) 3.3 Capacity 3.3.1 Air-cooling capacity 3.3.2 Air-heating capacity |
7 | 3.4 pressures 3.4.1 condensing pressure 3.4.2 evaporating pressure 3.5 Temperature 3.5.1 Air temperature 3.5.2 Liquid temperature 3.5.3 Refrigerant temperature |
8 | 3.6 Temperature difference 3.6.1 Operation with refrigerant 3.6.2 Operation with liquid 3.6.3 air temperature difference 3.7 high glide 3.8 Air flow/velocity 3.8.1 air face velocity 3.8.2 air mass flux |
9 | 3.9 Pressure drop 3.9.1 air side pressure drop 3.9.2 fluid side pressure drop 3.10 Specific enthalpy 3.10.1 air specific enthalpy 3.10.2 liquid specific enthalpy 3.10.3 Refrigerant specific enthalpy 3.11 specific enthalpy difference |
10 | 4 Symbols 4.1 Letters |
11 | 4.2 Subscripts 4.3 Superscripts 5 Standard capacity 5.1 Basis for standard capacity data 5.2 Standard conditions for coil capacity |
12 | Table 1 – Standard conditions for comparison purposes 6 Manufacturer’s data |
13 | 7 Measurements 7.1 Uncertainty of measurements Table 2 – Uncertainty of measurements 7.2 Measurement criteria |
15 | 8 Testing methods and equipment 8.1 Testing method |
16 | 8.2 Equipment |
17 | 9 Test procedures 9.1 Physical arrangement 9.2 Permissible deviations Table 3 – Uncertainty for set conditions for air heating coils Table 4 – Uncertainty for set conditions for air cooling coils |
18 | 9.3 Steady state conditions 9.4 Test duration 9.5 Data to be recorded 10 Capacity calculation 10.1 Fluid side heating capacity |
19 | 10.2 Air side heating capacity 10.3 Fluid side cooling capacity 10.4 Air side cooling capacity 10.5 Relative deviation |
20 | 11 Conversion to standard conditions 11.1 Correction for standard barometric pressure 11.2 Conversion to standard capacity 11.3 Conversion to standard air side pressure drop 11.4 Conversion to liquid side pressure drop 12 Test report |
21 | Annex A (normative) Circuit diagrams Figure A.1 – Heating/cooling with liquid |
22 | Figure A.2 – Heating with refrigerant |
23 | Figure A.3 – Cooling with refrigerant by direct expansion |
24 | Annex B (informative) Oil content measurement procedure Annex C (Bibliography) Bibliography |