ASHRAE 93 03 2003

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ASHRAE Standard 93-2003 Methods of Testing to Determine the Thermal Performance of Solar Collectors (ANSI Approved)

Published By	Publication Date	Number of Pages
ASHRAE	2003	48

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

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Standard Title	ASHRAE Standard 93-2003 Methods of Testing to Determine the Thermal Performance of Solar Collectors (ANSI Approved)
Published Code	ASHRAE
Publication Date	2003
Pages Count	48

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