Smoking Machine W15 DDR Review. By: Chris Boise Eric Cawley Matt Cross Megan Guarnieri -Cleary Jose Paredes Gideon Oladunjoye. Agenda. Model Update Chimney Movement Actuator Precision Cart Selection Tubing Selection Particle Deposition Computer Update VI Modification
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Incorporation of electronic cigarettes
3 modular design components
10” stroke mini track actuator
Mounting bracket and clamps required
2 actuators in design
Controlled by rotating a power screw
Built in limit switches (hard)
1” - 2” per second
Reverse polarity for travel direction
0” - .250” stopping range
Limit - time increment of LabVIEW
Delay time of about 4 seconds
L= 36” W= 24” H= 33” Distance Between shelves= 28”
Max weight- 500lb
Best tubing choice?
All tubing is 3/8 OD, 1/4 ID
Computer Found by ME department
Well Suited to run latest version of LabVIEW
Windows 7, 256 MB RAM, 382 MB of disk space
Browsing online cost range: $250-$5,000.
Volume per step: (31.75 μm)[1/1000 mm/μm]*pi*((37.5 mm)/2)^2
= 35.07 μL/step = 0.03507 mL/step
Note: EcoFlo has 2 blowers. This means that it can draw more air than it is supplying causing a negative pressure chamber. This way smoke does not leak out of chamber.
Centrifugal pump controlled by flowmeter to 3 L/min.
Key Instruments FR4A40BVBN ($95):
Smaller model available with ±0.25 L/min accuracy. ($75)
Using: P*V = n*R*T
Assuming: ṁ1 = ṁ2
Q1 = Q2*[P2*T1/(P1*T2)]
Vent: Current State
Removal of all smoke
Running during testing
Run pump exhaust tubing into the Eco-flo system
Eco-flo system will be operation during testing
Cage: Current State-
Lock in design between extruded aluminum and plastic with silicon sealant
Same lock in design
Use foam gaskets
Question for customer:
Total Unit Cost- $5,959.42
Does not include data sensors $14,387.50
Cost for this project- $1,371.96
2ndimpinger, Rubbermaid cart
Team is over the $1,000.00 budget!
Yes a follow-up team/CO-OP is needed.
What they will be focused on-
Patent Research for reverse engineering for reproducibility
Humidification of the mouth/lung casting
Team should consist of - 2 ME & 1 ISE
Mounting bracket for main stream impinger, lung cast, or pelt filters
LabVIEW feedback loops
Purchasing all remaining components
Integration of Mainstream and Sidestream units