TEP: Bite of Science Mechanical Engineering

Transcription

1 TEP: Bite of Science Mechanical Engineering September 12, 2017

2 About Me Born in Richmond Virginia Tech Mechanical Engineer: 2003 Moved to Roanoke to work at HSMM Started at Burns & McDonnell: 2015

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4 Who We Are

5 Where We Are

6 Local Presence 37 EO COUNT 27 EO COUNT 10 EO COUNT

7 MISSION STATEMENT Make Our Clients Successful

8 Making Our Clients Successful Client Success Experience Partnerships Comprehensive Capabilities Innovative Solutions Access to the Best Resources

9 Key Industries and Markets We Serve WETLANDS SOLAR FARM NATURAL GAS PIPELINE SYSTEM DATA CENTER HYDROELECTRIC DAM SUBSTATION WIND FARM AIRPORT NUCLEAR POWER PLANT MILITARY BASE EXPORT TERMINAL PETROCHEMICAL PLANT WAREHOUSE FACILITY MGP SITE GAS PROCESSING PLANT RETAIL, OFFICE, MIXED USE URBAN FACILITIES BRIDGE CLEAN COAL POWER PLANT WATER TREATMENT PLANT RAIL TRANSMISSION LINE HIGHWAY FOOD PROCESSING PLANT LAB FACILITY ELECTRIC POWER GENERATION REFINERY

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11 FOUNDATIONS 90% Physics, 10% Chemistry/Biology Physics: Conservation of Energy First Law of Thermodynamics: Heat and Mass Transfer Bernoulli s Equation: Fluid Mechanics Second Law of Thermodynamics: Power, refrigeration cycles Chemistry/Biology Chemical Treatment to control biological growth Room/process off-gassing Refrigerant Selection

12 First Law: Heat Transfer (Howell, Coad and Sauer, Jr. 2013)

13 First Law: Heat Transfer (Howell, Coad and Sauer, Jr. 2013) (Howell, Coad and Sauer, Jr. 2013)

14 First Law: Mass Transfer/Mixing (Howell, Coad and Sauer, Jr. 2013)

15 Bernoulli - Ductwork (Howell, Coad and Sauer, Jr. 2013)

16 Bernoulli Piping (Simple) (ASHRAE 2017) (Howell, Coad and Sauer, Jr. 2013)

17 Bernoulli Piping (Complex) (ASHRAE 2016)

18 Second Law Refrigeration (ASHRAE 2017)

19 Second Law Heat Pump Cycles (Howell, Coad and Sauer, Jr. 2013)

20 Second Law Cogeneration / Heat Recovery (Howell, Coad and Sauer, Jr. 2013)

21 Chemistry: Controlling the Biology (and Chemistry) (ASHRAE 2017) (ASHRAE 2015)

22 Chemistry: Room Offgassing (Howell, Coad and Sauer, Jr. 2013)

23 Chemistry: Refrigerant Selection Efficiency (ASHRAE 2017)

24 Chemistry: Refrigerant Selection Environment (ASHRAE 2017)

25 How We Apply It Building Type/Usage Occupancy Patterns Client Preferences Location Weather Energy Sources Available Energy Costs

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27 STEM initiatives nationwide 4,500 student contracts 300 high school seniors at Project Lead the Way 3 summer camps 450 job shadows 25 off-site presentations

28 Battle of the Brains 520 entries 5,300 students 300 teachers 210 schools $155,000 in STEM grants

29 ASHRAE Advancing HVAC&R to serve humanity and promote a sustainable world

30 Impact the built environment US Overall Energy Consumption (2003) Why choose HVAC&R 27% 18% 22% Commercial Residential Industrial Transportation 33%

31 Impact the built environment Commerical Energy Use by Source (2003) Why choose HVAC&R 2% 1% 4% 12% 12% 2% 43% 13% 38% 11% 5% Lighting Cooking Office Equipment Computers Other Space Heating Cooling Ventilation Water Heating Refrigeration

32 Career paths within HVAC&R Manufacturers Design Equipment Compressors Heat Exchangers Fans Pumps Controls Accessories Develop Standards Manufacturers Representatives Experts in Applications Sales Owner s Engineer Systems Engineer Building Operations Self-perform design Contracting Officers Consulting Engineer Systems Engineer Under contract to Owner Wide variety of projects Contractors System Coordinators Building Controls Programming

33 References ASHRAE ANSI/ASHRAE Standard Legionellosis: Risk Management for Building Water Systems. Atlanta: ASHRAE ASHRAE Handbook - Fundamentals. Atlanta: ASHRAE ASHRAE Handbook - HVAC Applications. Atlanta: ASHRAE ASHRAE Handbook - HVAC Systems and Equipment. Atlanta: ASHRAE. Howell, Ronald H., William J. Coad, and Harry J. Sauer, Jr Principles of heating ventilating and air conditioning: a textbook with design data based on the 2013 ASHRAE handbook. Atlanta: ASHRAE.

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