eLibrary >
ASHRAE Standard 93 Methods of Testing to Determine the Thermal Performance of Solar Collectors (ANSI Approved) >
ASHRAE Standard 93 Methods of Testing to Determine the Thermal Performance of Solar Collectors (ANSI Approved), 2003
- Contents
- FOREWORD
- 1. PURPOSE
- 2. SCOPE
- 3. DEFINITIONS AND NOMENCLATURE
- 4. CLASSIFICATIONS
- 5. REQUIREMENTS
- 6. INSTRUMENTATION
- Figure 1 Closed-loop testing configuration for the solar collector when the heat transfer fluid ...
- 7. APPARATUS AND METHODS OF TESTING
- Figure 2 Open-loop testing configuration for the solar collector when the heat transfer fluid is...
- Figure 3 Open-loop testing configuration for use when fluid is supplied continuously.
- Figure 4 Testing configuration for solar collectors where heat transfer fluid is air.
- Figure 5a Schematic of the thermopile arrangement used to measure the temperature difference acr...
- Figure 5b Schematic of equal areas thermocouple grid. Minimum of eight junctions located at the ...
- Figure 5c Distribution of thermocouples in round duct for equal cross-sectional areas grid.
- Figure 6 Schematic representation of the measurement of pressure drop across the solar collector...
- Figure 7 Schematic of apparatus used for measuring air leakage in air collectors.
- 8. TEST PROCEDURES AND COMPUTATIONS
- Figure 8 Examples of thermal efficiency curves.
- Figure 9 Incident angle modifier for three flat-plate solar collectors with non-selective coatin...
- Figure 10 Incident angle modifier for three flat-plate solar collectors with non-selective coati...
- Figure 11 Incident solar radiation on a horizontal surface in Gaithersburg, MD, March 13, 1974.
- Figure 12 Incident solar radiation on a horizontal surface in Gaithersburg, MD, March 11, 1974.
- Figure 13 Example of a leakage curve for a flat-plate air collector for positive internal pressu...
- 9. DATA TO BE RECORDED AND TEST REPORT
- 10. REFERENCES
- TABLE 9.1 Measurements to Be Made and Test Data and Information to Be Recorded
- TABLE 9.2 (Continued) Data and Information to Be Reported*
- Figure C.1 Minimum value of (tf,i – tf,e) necessary to keep the random uncertainty on the temper...
- TABLE E.1 All-Day and Hourly Useful Energy Collected Using Test Data for a Flat-Plate Solar Coll...
- Figure F.1 Angles used to define directions for biaxial incident angle modifiers. E-O-S plane is...
- Figure G.1 Incident angle modifier as a function of the angle of incidence measured in a plane p...
- TABLE 9.2 Data and Information to Be Reported*
- TABLE 9.2 (Continued) Data and Information to Be Reported*
- TABLE E.2 Solar Position and Insolation* Values for 24 Degrees North Latitude
- TABLE E.3 Solar Position and Insolation* Values for 32 Degrees North Latitude
- TABLE E.4 Solar Position and Insolation* Values for 40 Degrees North Latitude
- TABLE E.5 Solar Position and Insolation* Values for 48 Degrees North Latitude
- TABLE E.6 Solar Position and Insolation* Values for 56 Degrees North Latitude
- TABLE E.7 Solar Position and Insolation* Values for 64 Degrees North Latitude
- TABLE E.8 Latitude 24ËšN, Incident Angles for Horizontal and South-Facing Tilted Surfaces
- TABLE E.9 Latitude 32ËšN, Incident Angles for Horizontal and South-Facing Tilted Surfaces
- TABLE E.10 Latitude 40ËšN, Incident Angles for Horizontal and South-Facing Tilted Surfaces
- TABLE E.11 Latitude 48ËšN, Incident Angles for Horizontal and South-Facing Tilted Surfaces
- TABLE E.12 Latitude 56ËšN, Incident Angles for Horizontal and South-Facing Tilted Surfaces
- TABLE E.13 Latitude 64ËšN, Incident Angles for Horizontal and South-Facing Tilted Surfaces [Go to Page]