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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
Subsystems Design Review
P16371 - Controlled Oscillating Meniscus Test Fixture
RIT Thermal Analysis Microfluidics and Fuel Cell Lab
PresentersCharles Krouse, Joseph Baldwin, Robert Walkowiak
and Alyssa Recinella
October 22, 2015
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
Team RolesCharles Krouse: Team Lead
Robert Walkowiak: Master Builder
Alyssa Recinella: Communications
Joseph Baldwin: Lead Engineer
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 2
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
Customer Requirements
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 3
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
Engineering Requirements
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 4
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
System Schematic
Slide 510/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
Subsystem Breakdown
• Subsystems• Fluid Injection• Oscillator• Capacitance Sensor• PID/LabVIEW• Visibility • Height Adjustment
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 6
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
Fluid Injection
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 7
Responsibility: Charlie
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
Capacitance Sensor
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 8
Responsibility: Joe
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
Visibility
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 9
Responsibility: Everyone
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
PID/LabVIEW
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 10
Responsibility: Rob
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
Height Adjustment
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 11
Responsibility: Rob
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
Height Adjustment - Preliminary Testing
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 12
● Stage found in the lab● Has relatively fine
adjustment● Need to fabricate base
plate to mount it securely to the isolation table
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
Height Adjustment - Preliminary Testing
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 13
● For flexibility of injection system to allow for needle to move chose brake lines
● Can withstand high pressures (3,000psi+)
● “Stainless Steel” lines have teflon tube to carry brake fluid, covered by stainless steel mesh for protection
● Robust and cost effective
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
The Oscillator
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 14
Responsibility: Alyssa
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
The Oscillator - Preliminary Testing
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 15
Left: Big speaker, water droplets on top of plastic membrane Center: Amplifier used to control speakers and volume
Right: Mylar speaker with water droplets on top of plastic membrane
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
The Oscillator - Preliminary Testing
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 16
● Approached Dr. Lam to discuss speaker dampening ● Two really important points
○ Added noise in graphs due to lights■ No way to get rid of that■ Can implement a filter to reduce the noise
○ We should be wearing earplugs!! ■ Certain frequencies can be damaging to our ears ■ All feasibility testing was done wearing earplugs
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
The Oscillator - Preliminary Testing
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 17
The small speaker
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
The Oscillator - Preliminary Testing
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 18
The big speaker
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
Feasibility Testing Plan
Slide 1910/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
The Next 3 weeks
Slide 2010/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab
● Joe and Alyssa will design a fixture to hold the speaker and test oscillations○ Rob will construct the fixture ○ Collecting data
■ Need to make sure the meniscus is oscillating at the same frequency that the speakers are outputting● Using high speed cameras and consulting
experts ● Feasibility analysis on the capacitance sensor with
oscillations ● Purchasing brake lines and stainless steel syringe● Rearranging system layout ● Baking more cookies and a bike ride
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RIT Thermal Analysis Microfluidics
and Fuel Cell Lab
Thank youQuestions?
10/22/2015 RIT Thermal Analysis Microfluidics and Fuel Cell Lab Slide 21