Presentation on theme: "HVAC Project ME 414 – Thermal Fluid System Design"— Presentation transcript:
1 HVAC Project ME 414 – Thermal Fluid System Design HVAC Project ME 414 – Thermal Fluid System Design Professor John Toksoy Final ProjectTeam Members:Kaela HlaulaniPrince BedellWilliam BroaddusDerek VleckTrever ZikeSeth Simonson
2 Goals Calculate HDD Furnace on time Number of on-off cycles Heat Loss Correlate Data
3 HDD & Furnace On Time Date HDD Calculated HDD Actual % Error # of On-Off Cycles Calculated# of on-off Cycles Seen on GraphDifference Btwn Calc and Graph1/2231.9330.06.04%2.24291/2849.3948.02.81%2.04511/2950.7950.01.56%2.65592/337.9837.02.58%1.42332/435.6835.01.91%1.72482/537.3932.014.4%1.79572/646.1141.011.1%1.4350
9 First Floor Areas (ft.2) Walls Windows Doors Total North 288.41 117.55 20.45426.4South386.53131.2220.25538.0East360.2318.17378.4West289.71
10 Second Floor Areas (ft.2) WallsWindowsDoorsTotalNorth499.9475.71575.65South346.7916.40363.20East371.72West162.50
11 Basement Areas (ft.2) Walls Windows Doors Total North 142.29 South South263.42East291.13West157.25
12 House Total (ft.2) Walls Windows Doors Total North 930.64 193.25 20.45 South996.74147.6220.25East18.17West805.90Walls (cedar)Walls (brick)
13 R - Values Walls (Brick) 5.63 Walls (Cedar) 5.94 Windows 2.00 Doors 1.00
14 Heat Losses Date Avg. T-Out Delta T Wall Heat Loss Window Heat Loss Door Heat LossTotal Heat Loss1/221.6417.741/28-9.2227.441/29-9.6128.222/3-2.1521.102/4-0.5019.822/50.1920.772/6-5.1425.61
15 Heat Loss Therms/month House Heat LossMonthHeat Loss BTU/hrHeat Loss Therms/monthBTU/dayTherms/dayBTU/monthTherms/monthDecember76.792.48January94.823.06February71.322547242.55March38.841252921.25
16 ConclusionHDD calculated vs. HDD published strong correlation and minimal error.Excel program was modified to yield accurate furnace on/off calculationsFurnace on time vs. HDD & calculated vs. HDD published showed a poor correlation.House Heat loss calculations yielded reasonable results.
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