four points engineering and design
DESCRIPTION
Four Points Engineering and Design. Project 99.04: Heat Pump Design for Whalen Co. FPED Team Members: Ricardo Blackett, Andy Parke, Scott Quirico, Brian Zigmond. Presentation Agenda. 1. Introduction and background 2. Method a. Concept Generation b. Concept Selection - PowerPoint PPT PresentationTRANSCRIPT
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Four Points Engineering and Four Points Engineering and DesignDesign
Project 99.04: Heat Pump Design for Whalen Co.
FPED Team Members:Ricardo Blackett, Andy Parke, Scott Quirico, Brian
Zigmond
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Presentation AgendaPresentation Agenda
1. Introduction and background 2. Method a. Concept Generation b. Concept Selection3. Schedule and Budget
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BackgroundBackground
• The Whalen Co. – HVAC manufacturer
• hospitals, apartment complexes, hotels– Boost sales of vertical water source heat pump
• offer additional options• offer improved health quality
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Mission and ApproachMission and Approach
1. Eliminate standing water
2. Decrease unit’s noise level
3. Improve circulation in the two-room units
PresentFPED’s Solution
to Whalen Co.
DevelopConcept
Produce a unit that:• eliminates standing water• is quieter• has improved room circulation
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ConstraintsConstraints
Size and geometry of unit and enclosure.Regulatory commission specifications. (ARI, UL)
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Customers and WantsCustomers and Wants
S alesfoo tp rin t
E n g in eerin gc ircu la tion
P rod u c tionfab rica tion
W h a len E xecu tivefoo tp rin t
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System BenchmarkingSystem Benchmarking
• Trane: Well insulated unit gives quiet performance, removable drain pan for easy maintenance.
• ClimateMaster: Removable chassis for easy maintenance, sound-suppressing baffles on intakes.
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Functional BenchmarkingFunctional Benchmarking
• Drain Pan– sheet metal guide– positive pitch– pump– evaporation
• Sound– neoprene pads– isolate– insulate– external baffles
• Two Room Draw– return grilles– sheet metal ducting
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Quality Metrics & Target ValuesQuality Metrics & Target Values
Metric Target Value
% Footprint Change 0%
Number of additionalparts
12
Time of fabrication 1.5 hours total
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Concept GenerationConcept Generation
attach to co il
D ra in P anm in im a l p a rts & tim e
in te rn a l d u c tin g
Two R oomfoo tp rin t & p arts
in te rn a l to c ab in e t
S ou n d S u p ress ionfoo tp rin t & t im e
3 K ey M etricsC rit ic a l F u n c tion s
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Partial Concept GenerationPartial Concept Generation
• Sound– diffusion ducting– isolation– insulation
• Drain Pan– sloped insert– channel
• Two Room Air– above the coil– below the coil– adjacent to coil– rotate coil
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Drain Pan Concept SelectionDrain Pan Concept Selection
• Insert– high manufacturing
cost– long time to fabricate
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Final Drain Pan ConceptFinal Drain Pan Concept
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Sound Attenuation Concept Sound Attenuation Concept SelectionSelection
• Diffusion Ducting– Not applicable
• Insulate and Isolate– every metal to metal
vibration point– double insulate cabinet
• Testing– which points need isolation– optimum insulation
thickness
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Two Room Draw Concept Two Room Draw Concept SelectionSelection
• Rotate Coil– changes footprint
• Above Coil– difficult to
maintain/repair
• Adjacent to Coil– additional parts– additional
manufacturing costs– minimal air changes
per hour
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Final Two Room Draw ConceptFinal Two Room Draw Concept
• Duct underneath condenser coil
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Overall Overall Final Final ConceptConcept
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Past SchedulePast Schedule
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Future ScheduleFuture Schedule
By the …. We will …..
1st week in December Have a scale model of fan coil and presented to NCDA
2nd week in December Install unit for testing
3rd week in December Obtain sound and drip data and analyzed.
1st week in January Made prototypes for two room draw and drain pan
2nd week in January Tested the protoypes with actual unit and obtain data
3rd week in January Prepared a complete solution for Whalen
4th week in January Evaluate feedback from Whalen with advisor
1st week in February The possibilities of mass production discussed.
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Estimated Engineering Time Estimated Engineering Time
• FPED– 4 hours building– 24 hours testing
• The Whalen Co.– 5 additional hours to implement final concept
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Project BudgetProject Budget
•Total Budget = $5000
Expenditures to dategas for trip to Whalen$11.31photographs taken during visit $ 9.29model materials(foam core) $ 9.99
Future Expenditures decibel meter$45.00battery 12 V$10.00