Class Project ReportSustainable Air Quality, EECE 449/549, Spring 2009

Washington University, St. Louis, MO

The Energy Analysis and Carbon Footprint of the Danforth University Centerand its Causality Drivers

Instructors: Professor Rudolf B. Husar, Erin M. Robinson

For more details see the class wiki

Students:Maiko Arashiro

Alex ClarkNeil FeinbergMark Henson

Kerry HerrEvan Kangas

Janna LambsonMichael McDonald

Katie PoeltlCameron Smith

Kharel Thompson

Class Project: Energy Analysis and Carbon Footprint of the Danforth University Center

Specific Objectives:

1. Analyze energy usage in the DUC

2. Apportion the energy use to activities in the DUC

3. Determine carbon footprint of the DUC activities

4. Cost??

5. Renewable energy analysis for electricity

DUC Description – OUTLINE ONLY REMOVE

• Space Summary - Services provided

• Energy Balance

• Expense Balance

• Carbon Balance

DUC Description Services to People

• Number of People/day…??• Dining • Socializing• Student Services?• Other

• Infer from LEEDs …

DUC Space Usage

• Dining/Open• Offices• Kitchen• Other Facilities?

Directly from LEEDS : DUCSpace Summary

0

5,000

10,000

15,000

20,000

25,000

30,000

35,000

40,000

Lock

er R

oom

s

Lobb

y

Restroo

ms

TV Stu

dio

Dining

Areas

Active

Sto

rage

Electr

ical/M

echa

nical

Corrido

r

Confer

ence

Roo

ms

Office

Are

as

Co

nd

itio

ned

Are

a (S

q f

t)

DUC OVERALL ENERGY BALANCE

‘RAW’ ENERGY FLOWS FOR PERIOD 3/12/09 THROUGH 4/24/09

Electricity

Gas

Hot Water Cold Water24.3 MMBTU/day

4.6 MMBTU/day 1.0 MMBTU/day

Ventilation Cooking Hoods

‘Skin’ LossActivities

Dining/Cooking

Socializing

Social Services

‘Leaks’

? MMBTU/day

? MMBTU/day5.6 MMBTU/day

12.2 MMBTU/day

12.0 MMBTU/day

DUC ENERGY COSTS

ENERGY COSTS FOR PERIOD 3/12/09 THROUGH 4/24/09

Electricity Gas

Hot WaterCold Water

$39.20/dayActivities

Dining/Cooking

Socializing

Social Services$36.12/day

$129.16/day

$212.37/day

COST BASIS $0.0362/kWh $0.70/therm

CONVERSION BASIS 1 kW/ton Refrigeration80% Boiler Efficiency

DUC CARBON DIOXIDE EMISSIONS

CO2 EMISSIONS FOR THE PERIOD 3/12/09 THROUGH 4/24/09

Electricity Gas

Hot WaterCold Water

278 kg/dayActivities

Dining/Cooking

Socializing

Social Services607 kg/day

2170 kg/day

1503 kg/day

CO2 EMISSION FACTORS 0.608 kg CO2/kWh 4.95 kg CO2/therm

CONVERSION BASIS 1 kW/ton Refrigeration80% Boiler Efficiency

Equipment Relationship Diagram

DUC kWh Distribution

Misc. Equipment estimates could not be verified and were not included

AHU-1 Supply Fan Daily Pattern

AHU-1 Heat Recovery Fan Daily Pattern

AHU-2 Supply Fan Daily Pattern

AHU-1 & 2 Relief Fans Daily Pattern