UBC Graduate Research

Regenerative workout machine feasability study Cheng, Long; Dixit, Fuhar; Sharma, Rahul; Taylor, Jon; Wheeler, Danika Apr 28, 2015

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 UBC Social Ecological Economic Development Studies (SEEDS) Student ReportDanika Wheeler, Fuhar Dixit, Jon Taylor, Long Cheng, Rahul SharmaREGENERATIVEWORKOUT MACHINEFEASIBILITY STUDYCHBE 573April 28, 201512681768University of British Columbia Disclaimer: “UBC SEEDS Program provides students with the opportunity to share the findings of their studies, as well as their opinions, conclusions and recommendations with the UBC community. The reader should bear in mind that this is a student project/report and is not an official document of UBC. Furthermore readers should bear in mind that these reports may not reflect the current status of activities at UBC. We urge you to contact the research persons mentioned in a report or a SEEDS team representative about the current status of the subject matter of a project/report”.REGENERATIVE WORKOUT MACHINE FEASIBILITY STUDY Long Cheng Fuhar Dixit Rahul Sharma Jon Taylor Danika Wheeler  Green House Gas Emissions in 2014 •  Total Emissions: •  6,526 Million Metric Tones •  Electricity Sector: 32% •  11% increase from 1990 •  Present Energy Source: •  Fossil Fuels •  Alternative Energy Sources:  •  Nuclear Power •  Solar Thermal Power  Micro Renewable Energy Systems •  Energy Generated: <5 kWh •  Individual or Community Owned •  Reduce dependence on Commercial Energy Sources  Micro Wind Turbine Hybrid Wind-Solar Device Power Generating Gym Equipment •  Kinetic Energy: Dissipated as Heat •  30 minute workout: 50 Wh •  Charge 6 cellphones or 1 laptop for an hour •  10 machines: •  Average 8 hours/day: 8 kWh or 240 laptops for an hour. Products Investigated SportsArt Fitness C531u  ReRev Precor EFX546i Elliptical Woodway Ecomill Treadmill  Power •  100W/machine Installation cost •  $1000/machine Additional costs •  $14000/site Pros •  Uses existing equipment •  Flexibility Cons •  Warranty Power •  160W/machine Equipment Costs •  $7714/machine Installation Costs •  $225/machine Pros •  No additional equipment •  Warranty Cons •  Machine durability (?) Power:  •  ?W/machine Equipment Cost: •  $5500/machine Pros: •  Replaces machines consuming ~2600W •  Extensive warranty •  ReRev compatible  Cons: •  Small power production Equipment Summary SportsArt	   ReRev	   Woodway 	  Compatibility	   -	   Most 	   ReRev	  Power	   160W	   100W	   2600W	  Additional equip	   No	   Yes	   Yes (ReRev)	  Equipment ($)	   7714	   0	   5500	  Install ($)	   225	   1000	   1000	  Additional ($)	   0	   14000	   14000	  Longevity	   Questionable	   high	   High	  Warranty	   5 years on all parts	   N/A	  5 years on all parts	  ReRev Retrofit Calculations Workout (hours) per day /machine Percentage of daily usage  % No. of Machines Total no. Of Days (Usage)/year Energy Savings (Wh)/yr Energy Savings (kWh)/yr 0.5 2.08 1 1 50 0.05 1 4.17 1 100 10000 10 2 8.33 1 100 20000 20 3 12.50 1 100 30000 30 4 16.67 1 100 40000 40 5 20.83 1 100 50000 50 10 41.67 10 100 1000000 1000 Note: The red colored portion shows the ReRev basis taken from their website. Retrofit CO2 and Cost Savings Estimate Assumption made Charges per kWh:    $0.157/kwh Energy Production (kWH) CO2 Released (kg) 1000000 25000 1 0.025 2 0.05 3 0.075 4 0.1 5 0.125 6 0.15 7 0.175 8 0.2 9 0.225 10 0.25 Energy  Savings (kWh)/yr CO2 SAVED (kg)/yr Cost Savings ($)/yr 0.05 0.00125 0.00785 10 0.25 1.57 20 0.5 3.14 30 0.75 4.71 40 1 6.28 50 1.25 7.85 1000 25 157 Current Electricity Charges: First 14800 kwh – $0.10605    Additional kwh – $0.05103  Note: BC Hydro Basis SportsArt Install Energy Savings Calc. Workout (hours) per day/machine Percentage of daily usage % Number of Machines No. Of Days (usage)/yr Energy Savings (Wh)/yr Energy Savings (kWh/yr) 1 4.17 1 1 160 0.16 2 8.33 1 100 32000 32 3 12.50 1 100 48000 48 4 16.67 1 100 64000 64 5 20.83 1 100 80000 80 6 25.00 1 100 96000 96 7 29.17 1 100 112000 112 10 41.67 10 100 1600000 1600 SportsArt CO2 and Cost Savings Estimate Energy Savings (kWh)/yr CO2 SAVED (kg)/yr Cost Savings ($/yr) 0.16 0.004 0.02512 32 0.8 5.024 48 1.2 7.536 64 1.6 10.048 80 2 12.56 96 2.4 15.072 112 2.8 17.584 1600 40 251.2 Note: BC Hydro Basis Woodway Install Energy Savings Calc. Workout (hours) per day/machine Percentage of daily usage % Number of Machines No. of Days    per year Energy Savings (Wh)/yr Energy Savings (kWh)/yr 1 4.17 1 1 2600 2.6 2 8.33 1 100 520000 520 3 12.50 1 100 7800000 7800 4 16.67 1 100 1040000 1040 5 20.83 1 100 1300000 1300 6 25.00 1 100 1560000 1560 7 29.17 1 100 1820000 1820 10 41.67 10 100 26000000 26000 Woodway CO2 and Cost Savings Estimate Energy Savings (kWh)/yr CO2 Saved  (kg)/yr Cost Savings ($)/yr 2.6 0.065 0.4082 520 13 81.64 7800 195 1224.6 1040 26 163.28 1300 32.5 204.1 1560 39 244.92 1820 45.5 285.74 26000 650 4082.00 Note: BC Hydro Basis Payback Time Period Product Total Installation Cost ($) Energy savings (kWh/day) Daily  cost  savings ($/day) Energy Savings (kWh/yr) Total cost savings per year ($/yr) Payback time (years) ReRev 24000 10 1.57 1000 157 152.87 Woodway 79000 260 40.82 26000 4082 19.35 SportsArt 79400 16 2.512 1600 251.2 316.08 Note: Basis Taken No. of machines : 10 Usage of 10 hours(each) per day, 100 days(in total) per year Implementation •  Since return on investment is low, need to maximize usage of regenerative machines •  University of Kentucky increased ReRev elliptical usage by 13% with the Burn to Earn Program •  Recommend similar program at UBC to increase elliptical usage •  Offset initial cost via grants like the AMS Sustainability Project Fund Conclusions & Recommendations •  Human Energy Harvesting is among the most green and renewable energy  •  Harvesting green energy while engaging in healthy activities  •  Great opportunity to promote sustainability at UBC  •  Profit generated from the energy-harvesting devices will have a catalytic effect •  Improving LEED points for the BirdCoop Fitness Center  •  Improving enrolment rates at the BirdCoop Fitness Center  •  Creating a noteworthy display of environmental responsibility  Future Work •  Evaluating different ways of harvesting human power •  Producing new ideas for the utilization of existing technologies and methods of capturing energy   •  Other ways to improve efficiency of BirdCoop Fitness Centre  •  Making the BirdCoop Fitness Centre more environmentally friendly  Questions/ Comments 

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