1. Final Design Review P08042 Smoking Machine Team Members: Joe LeittenEdward Harding Adam DavenportJohn Koeppel Kenya AthillSvilen Piralkov Clinton HaydukeMike Dizhgalvis Woo Young ChoiYi Fan Zhang

2. Customer Requirement Machine Team 1.Meet Required ISO Document Specifications 1.Flameless Ignition 2.Flow pattern 3.Length of cigarette 2.Sealed from outside environment 3.Capable of Expansion in Future 4.Quick & Easy Assembly/Disassembly 5.Modular Lung Team 1.Capable of Removing Smoke Deposition 2.Low-Cost 3.Easy removal and installation from Machine 4.Rigidity 5.Pressure sensors to obtain pressure data

3. Machine Layout

5. Cigarette Layout 1.Cigarette Holder 1.Made from Aluminum 6061 2.Cigarette Rubber Seal 1.Supplied by Dr. Oldham 3.Quick Disconnects to ¼” NPT 4.Control Valve 1.Clippard Direct acting 2-way, normally closed 5.Cigarette Holder Assembly 1.Made from Aluminum 6061 6.Quick Disconnect Female Tube T-Fitting

6. Control Valve Electronic Control Valve 180 Max PSI 32°F to 140°F Operating Temperature Range 6.7 SCFM @ 100 PSIG Clippard ¼” NPT Direct Acting 2-Way Solenoid Valve, 12 VDC Wire Leads MME-2QDS-W012 $19.70

7. Lighter Layout 1 2 3 4 5 6 1.Linear Actuator 1.Firgelliauto 4” Actuator 2.Roller Guide 1.Structural Tubing T-Slot Guide 3.Structural Tubing 1.1” x 1” Square Structural Tubing 4.Cigarette Lighter Assembly 1.Material: Aluminum 6061 5.Linear Actuator Bracket 1.Firgelliauto Recommended for Actuator 6.Cigarette Lighter 1.Made from Car Cigarette Lighter

8. Flameless Ignition Flameless ignition must be used. Shall light at first attempt without touching or pre-charring cigarette. Preliminary Tests: 1.Using a vice tested distance to ignite cigarette ~ ¼” 10 seconds to max temp.

9. Cigarette Length Detection 1.OMEGA Miniature Low-Cost Non- Contact Temperature Sensor/Transmitter 2.Temperature Range : 0 to 400 °F or 300 to 1000 °F 3. Cigarette Burns at ~600 °F 4.Detects when cigarette reaches 23 mm specification 5.Cone can theoretically be focused using reflective material over tip 6.24 Volt DC

10. Machine Layout

11. Humidifier Chamber 1.Control Valve 1.Clippard Direct acting 2-way, normally closed 2.Latching System 3.Humidity Chamber 1.Cast Acrylic Tubing 4.Humidification Sensor 1.Honeywell HIH 4000 Series 5.Quick Disconnect Tube to Pipe Fitting 6.3/8” NPT Plug 7.Control Valve 1.Clippard Direct acting 2-way, normally closed Preliminary Test Results: 1.Humidity must be > 90% 2.Set up two different tests 1.Placed wet sponges instead with heater around outside (~65%) 2.Let water stand in bottom with heater on outside (~72%)

12. Sensors Parameters Tolerances Operating Temperature -40 to +85 C Supply Voltage 4 to 5.8 volts Operating Humidity 0-100%+/- 3.5% RH Linearity0-100%+/- 3.5% RH Temperature Accuracy+/- 0.40C Typical Cost~$40 Honeywell Part Number: HIH 4000 Series

13. Combined Assembly

14. Machine Layout

15. Back End Assembly 1.Pressure Sensor 1.Omega silicone on sapphire pressure transducer 2.Flow Meter 1.Brooks Delta Class MFM w/Flow Control 3.Pall Polycarbonate 47mm Filter 4.Condenser 5.¼” NPT Female Tube Tee Push to Connect Fitting 6.¼” NPT Pipe to 3/8” Tube Push to Connect Fitting

16. Flow Meter Brooks Delta Class Mass Flow Meter Part Number: SLA5850S1BAB0B2B1L3VBAA ParametersTolerances Accuracy +/- 1% of full range, 0.2% below 20% full scale Temperature0 to 60C max Power Requirements0-5Volts, 4-20mA Power supplySingle sided 15 DC, +/-5% Flow range0.05 to 3 kg/hr Connection¼’’ male VCR Pressure5-50psi Cost~$1900

17. Catch-All Filter Pall Polycarbonate 47mm Filter Holder Price: $75.94 Lung Cast)

18. Machine Enclosure Aluminum T-Slotted Framing Approx. $26 per 8 feet All Welded Steel Workbench 60” x 36” x 36” $370

19. Complete Machine

20. Software Smoking Machine –Sensors monitoring –Process control Select process (sequential, simultaneous) Select cigarettes to smoke –Process Configuration Edit Puff Profile Time constraints configuration –Alerts

21. DAQ NI PCI-6229 –16-Bit, 250 kS/s –32 Analog Inputs –4 Analog Outputs –48 Digital I/O PC Requirements: –1 Free PCI Slot –1 Free Serial Port

22. Rapid Prototype Peerless Pattern Work, INC.  Printer Type: Z510/Cx  Powder Type: ZP131 Peerless (ABS Plastic + infused with epoxy)  Smoker’s model  Total Volume of a part: 28 in 3  File name: assem.stl  Standard Color: Black, other colors are optional  Estimated Build Time Monochrome mode: 10 hours and 24 minutes Color mode: 11 hours and 13 minutes  Delivery: Ship in 48 hours  Total: $520.00

23. Lung Cast

25. High Risk Items Achieving Humidity Requirement (Air must reach 90% Relative Humidity) (Machine) Bell-Curve Flow Profile using Brooks Flow Meter (Machine) Hardening Lung Cast without changing electrostatic properties (Lung Cast) Maintain pressure throughout entire flow path (Machine) Keeping Overall Machine clean from smoke deposits (Machine) Meeting Environmental Health & Safety requirements (Machine) Assuring cigarette becomes lit after cigarette lighter becomes energized (Machine) Last branch of bronchi tend to have flash build up (Lung Cast) Rough surface finish (Lung Cast) Smoke interference with all sensors and valves (Machine & Lung Cast)