Team #20: ESE Sr. Des. SteamIt Analysis on Retrofit of Penn’s Steam Heating System Round 2 PowerPoint Presentation Sabrina Andrews Michael Buzinover Jenna Kanterman Neha Mathur Advisor: Dr. Peter Scott112/4/13

Team #20: ESE Sr. Des. Did you know? About 86% of Penn’s carbon production comes from building energy usage If immediate action is not taken to reduce energy, Penn will nearly double its total carbon emissions by 2050 Goal: Cut campus energy use by 17% by 2014 Advisor: Dr. Peter Scott212/4/13

Team #20: ESE Sr. Des. Roadmap Neha Project Description Objectives Overview of Penn’s Heating Systems Stakeholders Jenna Model Specifications & Methodology Schedule Completed Tasks Immediate Tasks Advisor: Dr. Peter Scott312/4/13

Team #20: ESE Sr. Des. Project Description 4 The final product will be a quantitative model (e.g. Matlab, Excel) and a simulation of Penn’s Heating system where users can alter inputs of the existing system to determine resource and cost savings. 12/4/13

Team #20: ESE Sr. Des. Design a model derived from Penn’s steam heating system to achieve at least 5% cost and resource savings across the following areas: Advisor: Dr. Peter Scott5 Energy Recovery from Condensate City Water Usage Retrofit to Existing Buildings Objectives 12/4/13

Team #20: ESE Sr. Des. Entering Water 180° Existing System Advisor: Dr. Peter Scott6 Ambient Air Entering Steam 220° Exiting Water 160° Exiting Condensate 210° Quenching Water 70° Exiting Air 75° Reheat CoilHeat Exchanger INPUTSINPUTS OUTPUTSOUTPUTS Quenching *All Temperatures in degrees Fahrenheit Heating AirSteam EnergyDiscarding Waste Water Discharged Into Sewer 140° 12/4/13

Team #20: ESE Sr. Des. CHEM 58 Advisor: Dr. Peter Scott7 Closed-Loop Water Entering Heat Exchanger Condensate Discharge Reheat Coils 12/4/13

Team #20: ESE Sr. Des. Stakeholders Advisor: Dr. Peter Scott8 StakeholdersConsiderations University of Pennsylvania Decrease the amount that Penn spends on steam, while not changing comfort level in buildings Veolia Energy Corporation Penn consumes approximately 40% of its output Philadelphia Community City water is wasted to quench the condensate to 140 o F 12/4/13

Team #20: ESE Sr. Des. Model Specifications Advisor: Dr. Peter Scott9 Retrofit Variables Desired Building Temperature Steam Pressure Entering Heat Exchanger 15 psi Calibration of Heat Exchanger Additional Reheat Coils System Parameters Building Specifications Pressure of Purchased Steam 220 psi Size of Heat Exchangers 24’’x12’’ or 24’’x10’' Existing Reheat Coils 12 total 12/4/13

Team #20: ESE Sr. Des. Model Outputs Advisor: Dr. Peter Scott10 Resource Usage Quantity of Steam Purchased Quantity of Quenching Water Electricity for Hardware Cost Analysis Total Cost of Resources $0.083/kWh $15/1000 lb of steam Total Cost of Hardware Modifications Incremental Cost Analysis Payback Period 5 years 12/4/13

Team #20: ESE Sr. Des. Model Methodology Advisor: Dr. Peter Scott11 Develop Design Parameters Thermodynamic & Efficiency Equations Establish Current Cost Baseline Evaluate Alternatives Determine Selection Criteria Examine Costs of Variable Manipulation Build Model Regression Model Clustering Model 12/4/13

Team #20: ESE Sr. Des. 12 Task Leader SabrinaMichaelNehaJenna Project Design 9/8-10/20 Project Design 9/8-10/20 Review Existing Systems 10/20-11/24 Review Existing Systems 10/20-11/24 Develop Design Parameters 10/20-11/24 Develop Design Parameters 10/20-11/24 Evaluate Alternatives 11/10-11/24 Evaluate Alternatives 11/10-11/24 Build Model 12/1-2/9 Build Model 12/1-2/9 User Interface 1/26-2/9 User Interface 1/26-2/9 Simulation 2/2-3/23 Simulation 2/2-3/23 Verification and Pilot 3/16-4/13 Verification and Pilot 3/16-4/13 Phase 2: Create Model and Verify Schedule Phase 1: Research and Analyze

Team #20: ESE Sr. Des. Completed Tasks Chose Project Mentors and discussed capacity of their involvement ✓ Selected CHEM 58 building for preliminary data modeling ✓ Obtained engineering design specifications for the CHEM 58 building ✓ Advisor: Dr. Peter Scott1312/4/13

Team #20: ESE Sr. Des. Completed Tasks Defined alternatives, then assessed each alternative’s trade-offs and requirements ✗ Created a project schedule ✓ Toured the HVAC systems of various buildings on Penn’s campus ✓ Advisor: Dr. Peter Scott1412/4/13

Team #20: ESE Sr. Des. Immediate Tasks Analyze system limitations Verify stakeholder interests Sabrina Identify relevant thermodynamic equations Input thermo. equations into model Michael Establish cost baseline Model variable interdependence Neha Review eQuest Simulator Enter fixed variables into model Jenna Advisor: Dr. Peter Scott1512/4/13

Team #20: ESE Sr. Des. Questions? Advisor: Dr. Peter Scott1612/4/13

Team #20: ESE Sr. Des. Appendix Advisor: Dr. Peter Scott1712/4/13

Team #20: ESE Sr. Des. Schedule Advisor: Dr. Peter Scott1812/4/13