solar_utlization_lec_12

solar_utlization_lec_12 - Solar Utilization Solar Heating...

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1 Solar Utilization Solar Heating Systems
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2 SOLAR UTILIZATION FORCED AIR SYSTEMS: DETERMINING SYSTEM PRESSURE LOSSES SYSTEM LAYOUT COMES FIRST ASSIGN NODES SET UP SPREADSHEET ASSIGN FLOW RATES TO SECTIONS SIZE EACH SECTION/ACTUAL P/100FT TAKE OFF DISTANCES AND ASSIGN EQUIVALENT LENGTHS TO FITTINGS DETERMINE “LONGEST RUN” CALCULATE TOTAL EXTERNAL STATIC HEAD H. A. . . Ingley PhD,PE
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3 SOLAR UTILIZATION SAMPLE DUCT SIZING SPREADSHEET H. A. . . Ingley PhD,PE SAMPLE DUCT SIZING SPREADSHEET FLOW SIZE ACTUAL EQUIV TOTAL SECTIONS RATE,CFM IN. X IN. IN./100FT LENGTH,FT P, IN. 1-2 3000 2-3 2500 3-4 2000 4-5 1500
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4 SOLAR UTILIZATION EQUIVALENT LENGTHS OF FITTINGS IN DUCTWORK
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5 SOLAR UTILIZATION H. A. . . Ingley PhD,PE
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6 SOLAR UTILIZATION FORCED AIR SYSTEMS: ASHRAE ALSO HAS TABLES OF ‘LOSS COEFFICIENTS’ THAT CAN BE MULTIPLIED BY THE VELOCITY PRESSURE IN THE FITTING OR DEVICE TO ESTIMATE THE PRESSURE DROP IN THE FITTING OR DEVICE H. A. . . Ingley PhD,PE
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7 SOLAR UTILIZATION H. A.
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solar_utlization_lec_12 - Solar Utilization Solar Heating...

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