Energy, Environment & Engineers · Energy, Environment & Engineers Green Talks SJSU October 2017 ....
Transcript of Energy, Environment & Engineers · Energy, Environment & Engineers Green Talks SJSU October 2017 ....
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Energy, Environment & Engineers Green Talks
SJSU October 2017 Bill Dunckel P.E.
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BILL DUNCKEL ∗ SJSU MS. ISE 1978 ∗ P.E. 1986 ∗ Two decades in the energy industry ∗ Representing only myself ∗ Putting inspiration into practice
One Engineer’s View
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∗ See a Need ∗ Find an Opportunity ∗ Identify a Solution ∗ Predict and confirm the solution’s performance under
all conditions
∗ Responsible for safety and well being of the public
What is Engineering?
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∗ 1st Law of Thermodynamics + Conservation of Mass = Everything remains on Earth, including undesirable byproducts.
∗ Engineers design products, systems, and processes that impact the earth.
∗ It is the engineer’s duty to minimize that impact. But how?
The Environmental Problem
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∗ Oil or steam? ∗ Direct cost comparison ∗ Boiler PSI ∗ Net environmental
impact
Flatwork Ironer Example
Image from siouxlaundry.com
Image from cannepp.com
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The Solution?
∗ Defined often by Carbon Emissions ∗ Some sources harm the environment less than others
but all have undesirable byproducts ∗ No single source can meet our energy needs ∗ Ref. ME 172 Alternative Energy Sources
Choose a Clean Energy Source
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Evolution of Primary Energy Sources
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Cumulative Contributions to the Global
Carbon Budget from 1870
Source: Global Carbon Project “Carbon Budget 2015”, Nov. 2015
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∗ Heating/cooling – residential, commercial, industrial ∗ Lighting – homes, buildings, streets, signals ∗ Mechanical motion – transportation, water management,
electricity generation ∗ Electronics - telecom, internet, TV, computing, gaming, etc.
End Uses of Energy
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US Energy Consumption
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∗ The entire circle, not just the source, impacts the environment. ∗ Measure the total environmental footprint from source to end use. Strive for improvement. ∗ National Transit Research Consortium estimates that by 2035 there will be somewhere between
1.3 million and 6.7 million worn-out EV hybrid and plug-in vehicle batteries in the U.S. (mostly NiMH).
Environmental Circle of Energy
Source
End Use
Equipment Disposal
Decommission Capture, Convert
& Transport
Equipment Mfg.
Byproducts
Exhaust & Heat
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∗ Energy Crisis of 1970’s Jimmy Carter ∗ Conservation defined – sweater & table lamp ∗ Small car trend – fuel efficiency from downsizing ∗ Quick to start and politically attractive ∗ Hard to sustain a cultural shift
Recent US Energy History (The old solution)
1974 2017
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∗ Example: Lighting – incandescent, fluorescent, HID, LED
Applied Technology (The new solution)
Research
Commercialization Market Adoption
Application Development Normalization & Standardization
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∗ Audits ∗ Tax Incentives ∗ Rebates ∗ Cap & Trade ∗ Regulations -Title 24, ∗ Oversight - BAAQMD
All this is designed to push us toward a cleaner environment
but good engineering can do it better.
Governmental Programs
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∗ Explore ∗ Innovate responsibly ∗ Justify – first cost vs life cycle cost (Engineering Economic Analysis – Newnan et.al.) ISE 102 and 103. ∗ Implement – go see it! ∗ Monitor performance - commissioning ∗ Incorporate into your design practice
Putting it into Practice
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0
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40
50
60
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2000 2005 2010 2015 2020
∗ HACA concept to ASHRAE standard practice
Data Center Example
• Data Center: 100 to 1,000 w/sqft • House: 1/2 to 2 w/sqft - 11,000kwh/yr
.
Image from slashgear.com
2% of US energy and growing
Billi
ons
of K
wh/
year
Data approximated from lbl.gov
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∗ Cooling power is about 1/3 of the total
Data Center Example
Image from indiamart.com
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Smartphone Ap to track your location
1 GPS triangulation/hour .1 gram CO2e/triangulation 8 hours/day 200 days/yr 2 million users 352 tons CO2e/year. Change triangulation rate to 1/minute increases total footprint by 20,768 tons CO2e/year. = 432 tree equivalent (per EPA: 1,640.7 lbs CO2/MWh ) (¼ gram CO2e/watt hour – energyguide.be)
Even small Things can have BIG Environmental Footprints
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∗ Remember: ∗ No source is perfect - undesirable byproducts ∗ No single source can meet our needs ∗ Nothing leaves our planet
∗ Measure the total environmental footprint from source to decommissioning, not just the source
∗ Conserve when you can – don’t waste even what is “free” ∗ Watch for new products, designs, and practices and incorporate into your
engineering practices ∗ Become thought leaders and encourage others ∗ Don’t wait for the government to enforce standards ∗ Carbon today, but what are tomorrow’s undesirable byproducts?
My Request of You
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∗ Ernie Unwin ∗ Robert McQueen ∗ Grant Duhon ∗ Francois Rongere ∗ Aaron Rezendez ∗ Peter Rumsey ∗ Bruce Myatt
Acknowledgements & Links
∗ www.lbl.gov ∗ www.epa.gov ∗ www.eia.gov ∗ pge.com/pec ∗ Cfroundtable.org ∗ Images from Pixabay.com
Email Me: [email protected]