CoolPac: Cooling Device CoolPac: Cooling Device for Firefightersfor Firefighters
Team 2
BME: Jaspreet Mankoo
Kerri Blanc
ME: Nedim Begovac
Sean Meehan
Client: Createc Consulting LLC
Advisor: Hans Almqvist36A Bucks Hill RdSouthbury, CT 06488203-215-6824
OutlineOutline
BackgroundBackground Current ProductsCurrent Products ObjectivesObjectives RequirementsRequirements Project DescriptionProject Description Budget Budget ConclusionConclusion
Createc Consulting LLCCreatec Consulting LLC
Sponsor Advisor: Hans AlmqvistSponsor Advisor: Hans Almqvist Focused on designing personal safety Focused on designing personal safety
equipment for firefighters, industrial equipment for firefighters, industrial workers ,etcworkers ,etc
Main customers are local and federal Main customers are local and federal governmentgovernment
Successful designs include S.C.U.B.A Successful designs include S.C.U.B.A breathing apparatus, hazmat suits, breathing apparatus, hazmat suits, SCBA faceplatesSCBA faceplates
Heat StressHeat Stress
Buildup of body heat generated Buildup of body heat generated internally or externallyinternally or externally
Hastens muscular fatigueHastens muscular fatigue Increases cardiovascular strainIncreases cardiovascular strain Compromises cognitive functionCompromises cognitive function Firefighters especially at risk due to Firefighters especially at risk due to
high internal and external heathigh internal and external heat
Heat StressHeat Stress
CoolPac PrototypeCoolPac Prototype
Designed as a sleeve to be worn under the Designed as a sleeve to be worn under the suitsuit
Consists of the Consists of the sleeve, phase-change sleeve, phase-change material (PCM), and fastening devicematerial (PCM), and fastening device
Human thermoregulation involves increased Human thermoregulation involves increased blood flow to extremities under stressblood flow to extremities under stress
Temp. of the sleeve < temperature of the Temp. of the sleeve < temperature of the bodybody
Heat can be absorbed by the PCM due to Heat can be absorbed by the PCM due to the shallow blood vessels the shallow blood vessels
CoolPac PrototypeCoolPac Prototype
Current MarketCurrent Market
KoreKooler Rehab ChairKoreKooler Rehab Chair Similar heat transfer conceptSimilar heat transfer concept Limited by lack of mobilityLimited by lack of mobility PECS Cooling VestPECS Cooling Vest Not as physiologically inefficient Not as physiologically inefficient Adds considerable weight Adds considerable weight
ObjectivesObjectives
Validation testing for arms and legs Validation testing for arms and legs Mechanical RedesignMechanical Redesign PCM OptimizationPCM Optimization
RequirementsRequirements
Validation Testing:Validation Testing: Testing needs to be carried out in a scientific Testing needs to be carried out in a scientific
environment with the proper tools and environment with the proper tools and
equipmentequipment Cycling Bike, Thermal Sensors, Heart Rate Cycling Bike, Thermal Sensors, Heart Rate
Monitor, Full Body Suit and/or Firefighter Monitor, Full Body Suit and/or Firefighter Suit, CoolPac Prototypes(2-4)Suit, CoolPac Prototypes(2-4)
Farmington Health Center laboratory and/or Farmington Health Center laboratory and/or Gampel testing facilityGampel testing facility
RequirementsRequirements
Provided constraints need to be met. Provided constraints need to be met. Work generated by test subject:Work generated by test subject:
300 Watts300 Watts Test Cycle: Test Cycle:
Measure initial vital signs and core body Measure initial vital signs and core body temperatures.temperatures.
Donning of equipmentDonning of equipment Repeating cycles of work and rest Repeating cycles of work and rest Make final measurements.Make final measurements.
Age/Gender/Weight:Age/Gender/Weight: The age group should be focused in the range of 20-The age group should be focused in the range of 20-
30 years old as provided by the sponsor.30 years old as provided by the sponsor.
RequirementsRequirements Mechanical Re-DesignMechanical Re-Design::
Alteration to the prototype:Alteration to the prototype: Comfort/DurabilityComfort/Durability PCM Alignment: Maximize Surface PCM Alignment: Maximize Surface
AreaArea Fastening: Easy to put on and take offFastening: Easy to put on and take off
RequirementsRequirements PCM OptimizationPCM Optimization::
Research Alternative PCM for CoolPac Research Alternative PCM for CoolPac Device:Device:
Attempt to meet sponsors PCM Attempt to meet sponsors PCM needs:needs:
Latent Heat of Fusion: 70-75 Latent Heat of Fusion: 70-75 Wh/kgWh/kg
Melting Temerpatrue: 25-32°CMelting Temerpatrue: 25-32°C
BudgetBudget
Price per Phase Change Material padPrice per Phase Change Material pad $3.75 each$3.75 each Need up to 50 pads (to test on arms & Need up to 50 pads (to test on arms &
legs)legs) $3.75*50 = $187.50$3.75*50 = $187.50
Sleeve materialsSleeve materials approx. $50 for cloth/sewing materialsapprox. $50 for cloth/sewing materials approx. $50 for fastening materialsapprox. $50 for fastening materials
Total proposed budget:Total proposed budget: ≈ $300≈ $300
Project FlowProject FlowBackground
research
Consult Sponsor & Ask Questions
Research PCM
Test PCM Material
Properties
Select PCM
Validation Testing of current
prototype
Analyze Results
Discuss design options
(to make better)
Design new prototype
Results as expected?
No
Yes
Discuss with Sponsor
Finalize new design
Create new prototype
Presentation
ConclusionConclusion
Project involves testing and design Project involves testing and design optimizationoptimization
Great potential for financial successGreat potential for financial success Low budget with respect to our Low budget with respect to our
goalsgoals
Questions?Questions?