The document discusses computer simulation and sustainable analysis for building energy modeling. It outlines the objectives of energy modeling as predicting energy consumption, costs, CO2 emissions and comparing efficiency options. The energy modeling process involves defining the scope, gathering data, creating a baseline model, calibrating existing models, modeling alternatives and required architectural, mechanical and electrical data. The document concludes with discussing energy conservation strategies through high performance glass, passive solar, efficient equipment and lighting controls.

1. Computer Simulation and
Sustainable Analysis
2nd Lecture
Environmental Architectural
Engineering Program
Third Level
Dr. Bahaa Elboshy

2. Building Energy Modeling

3. Fundamental of Energy Modeling

4. Objectives of Energy Modeling
•Predict the monthly energy consumption and bills
•Predict the annual energy cost
•Annual CO2 emissions
•Compare and contrast different efficiency options
•Determine life cycle payback on various options

5. Energy Modeling Process
• Define scope and set priorities
• Gather data
• Create baseline model
o Existing building
o New building – code/ ASHRAE App G base
• Calibrate model (for existing buildings)
• Model alternatives

6. Energy Loads in Building

7. Energy Loads in Building

8. Required Data for Energy Modeling
• Architectural
• Plans Building geometry
• Walls/ windows
• Operating Schedules
• Mechanical Plans
• HVAC drawings/ system descriptions
• Equipment schedules and specs
• Electrical Plans
• Lighting fixture layout and schedules
• Lighting controls type/ location

9. Energy Conservation Strategies
Architectural
High performance glass
Passive Solar
Shading devices
Limited north glazing
Mechanical
Energy efficient equipment
Right sizing equipment
Electrical
High performance lighting
Daylight controls
Occupancy controls

10. THANK YOU
DR. BAHAA ELBOSHY
Contact: bahaa.elboshi@f-eng.tanta.edu.eg