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ASHRAE 93 10:2010 Edition

ASHRAE 93 10:2010 Edition

$29.25

ASHRAE Standard 93-2010 Methods of Testing to Determine the Thermal Performance of Solar Collectors

Published By Publication Date Number of Pages
ASHRAE 2010 46
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4 1. PURPOSE
1. PURPOSE
2. SCOPE
2. SCOPE
2.1 This standard applies to nonconcentrating and concentrating solar collectors in which a fluid enters the collector through a single inlet and leaves the collector through a single outlet.
2.1 This standard applies to nonconcentrating and concentrating solar collectors in which a fluid enters the collector through a single inlet and leaves the collector through a single outlet.
2.2 The heat transfer fluid may be either a liquid or a gas but not a mixture of the two phases.
2.2 The heat transfer fluid may be either a liquid or a gas but not a mixture of the two phases.
2.3 This standard contains methods for conducting tests outdoors under natural solar irradiance and for conducting tests indoors under simulated solar irradiance.
2.3 This standard contains methods for conducting tests outdoors under natural solar irradiance and for conducting tests indoors under simulated solar irradiance.
2.4 This standard provides test methods and calculation procedures for determining steady-state and quasi-steady- state thermal performance, time, and angular response characteristics of solar collectors.
2.4 This standard provides test methods and calculation procedures for determining steady-state and quasi-steady- state thermal performance, time, and angular response characteristics of solar collectors.
2.5 This standard is not applicable to those collectors in which the thermal storage unit is an integral part of the collector to such an extent that the collection process and the storage process cannot be separated for the purpose of making measure…
2.5 This standard is not applicable to those collectors in which the thermal storage unit is an integral part of the collector to such an extent that the collection process and the storage process cannot be separated for the purpose of making measure…
2.6 This standard does not apply to:
2.6 This standard does not apply to:
3. DEFINITIONS AND NOMENCLATURE
3. DEFINITIONS AND NOMENCLATURE
3.1 Definitions
3.1 Definitions
6 3.2 Nomenclature
3.2 Nomenclature
7 4. CLASSIFICATIONS
4. CLASSIFICATIONS
4.1 Generic Collector Types
4.1 Generic Collector Types
4.2 Test Site Locations
4.2 Test Site Locations
5. REQUIREMENTS
5. REQUIREMENTS
5.1 Solar collectors shall be tested in accordance with the provisions set forth in this section and in Section 8.
5.1 Solar collectors shall be tested in accordance with the provisions set forth in this section and in Section 8.
8 6. INSTRUMENTATION
6. INSTRUMENTATION
6.1 Solar Radiation Measurement
6.1 Solar Radiation Measurement
6.2 Temperature Measurements
6.2 Temperature Measurements
6.3 Collector Flow Measurements
6.3 Collector Flow Measurements
6.4 Instrumentation/Data Recorders
6.4 Instrumentation/Data Recorders
9 6.5 Pressure Measurements
6.5 Pressure Measurements
6.6 Elapsed Time
6.6 Elapsed Time
6.7 Wind Velocity
6.7 Wind Velocity
6.8 Humidity Measurement
6.8 Humidity Measurement
7. APPARATUS AND METHODS OF TESTING
7. APPARATUS AND METHODS OF TESTING
7.1 Liquid as the Transfer Fluid
7.1 Liquid as the Transfer Fluid
11 7.2 Air as the Transfer Fluid
7.2 Air as the Transfer Fluid
13 7.3 Indoor Testing with a Solar Irradiance Simulator
7.3 Indoor Testing with a Solar Irradiance Simulator
14 8. TEST PROCEDURES AND COMPUTATIONS
8. TEST PROCEDURES AND COMPUTATIONS
8.1 General
8.1 General
8.2 Basic Performance Equations
8.2 Basic Performance Equations
17 8.3 Testing Procedure
8.3 Testing Procedure
20 8.4 Computation of Collector Time Constant
8.4 Computation of Collector Time Constant
8.5 Computation of Collector Thermal Efficiency
8.5 Computation of Collector Thermal Efficiency
8.6 Computation of Collector Incident Angle Modifier
8.6 Computation of Collector Incident Angle Modifier
21 8.7 Determination of Collector Air Leakage Rate. The testing of the solar collector to determine its air leakage rate can be conducted to generate a leakage curve that can be used to compare the relative leakage of different collectors.
8.7 Determination of Collector Air Leakage Rate. The testing of the solar collector to determine its air leakage rate can be conducted to generate a leakage curve that can be used to compare the relative leakage of different collectors.
9. DATA TO BE RECORDED AND TEST REPORT
9. DATA TO BE RECORDED AND TEST REPORT
9.1 Test Data
9.1 Test Data
9.2 Test Report
9.2 Test Report
10. REFERENCES
10. REFERENCES

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