Monthly Natural Gas Consumption

spreadeaglerainΜηχανική

24 Οκτ 2013 (πριν από 3 χρόνια και 7 μήνες)

68 εμφανίσεις

1

Monthly

Natural Gas Consumption

Professor John
Toksoy

Group Members

Nathan Dart

Andy Kinney

Christian
Watness

Paul Thompson

Joe Sullivan

2

Table of Calculated and Actual Data

3

HDD Calculated vs. Published


The most probable cause of error is the difference in temperatures
between the weather station and the readings taken by the
thermocouple on the roof of the house.

R² = 0.9901

25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
HDD Calculated (˚F )

HDD Published (˚F )

HDD Calculated vs. Published

HDD Calculated vs.
Published
Linear (HDD
Calculated vs.
Published)
4

Number of On/Off Cycles


Furnace on Time vs. HDD Calculated


House temperature was not always set to 65 F. Ambient heat on
thermocouple located on desk could provide answer for large
deviation
.


R² = 0.5242

0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
0.0
10.0
20.0
30.0
40.0
50.0
60.0
Furnace on Time (Hours)

HDD Calculated (˚F)

Furnace on Time vs. HDD Calculated

Furnace on Time vs. HDD
Calculated
Linear (Furnace on Time vs. HDD
Calculated)
Furnace on Time vs. HDD Published


House temperature was not always set to 65 F. Ambient heat on
thermocouple located on desk could provide answer for large
deviation.

R² = 0.5371

0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
0.0
10.0
20.0
30.0
40.0
50.0
60.0
Furnace on Time (Hours)

HDD Published (˚F )

Furnace on Time vs. HDD Published

Furnace on Time vs. HDD Published
Linear (Furnace on Time vs. HDD
Published)
First Floor Dimensions


This is a Header

8

Second Floor Dimensions


Basement Dimensions

10

Total House Dimensions

R Values

11


R values for walls, windows, and
doors shown on right.


Walls include R values of gypsum
board, insulation, and either
brick or cedar siding.

R
-
Value

Walls

5.045

Windows

3.85

Doors

1.25

Total Heat Loss For House

12



House Heat Loss


The following information was found with the provided
house heat loss excel file.


Recommendations


For project


Provide blue print of house in question


To Reduce House Heat Loss


Increase Insulation


Add door sealers


Insulate Attic




Questions?

15