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SMOKING MACHINE FOR EMISSIONS AND LUNG CAST
DEPOSITION EVALUATION
Christopher BoiseEric Cawley
Gideon OladunjoyeJose Paredes
Matthew CrossMegan Guarnieri-Cleary
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AGENDA Week 3 Opportunities Schedule Problem Statement Customer Requirements Engineering Requirements Relationship Matrix Functional Decomposition
Concept Generation Concept Screening Critical Design Challenges Risk Management Flow Diagram Block Diagram Future Action Work Breakdown
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WEEK 3 OPPORTUNITIES
Improve project schedule with added in deliverables
Goal- receive an approved system level design by week 6 review
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SCHEDULEPART 1
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SCHEDULEPART 2
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SCHEDULEPART 3
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SCHEDULEFUTURE
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PROBLEM STATEMENT
In order to simultaneously collect emissions and transport undisturbed casts for analysis, current hollow cast models will be combined with the existing side stream smoking machine. Device will operate using acquired data from the wPSMD. Unit needs to be self-contained, portable, fit on a workbench, and user friendly. The unit must also be production ready for identical machines in other labs. During operation smoke needs to be ventilated responsibly and the unit must be interfaced with LabVIEW.
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PROBLEM STATEMENT(BULLET FORM)
Smoke single Cigarette Smoke travels through
main-stream lung casting while the side-steam machine captures the remaining smoke
Smoke that travels through the lung casting will be recirculated through the side-stream machine (2nd hand smoke)
Unit will fit on a portable cart Samples will be taken to the
NTID lab for analysis 12-10-13 Team 14054 9
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CUSTOMER REQUIREMENTS
Revision #: 1
Date CreatedCustomer Rqmt. # Importance Description Comments/Status
Aug. 28, 2013CR1 9
Puff cigarettes at different progammable flow rates Data will be obtained from wPSMD
CR2 9Collect mainstream emissions
and transport them to NTID chemical lab
Collected simultanesously with CR3
CR3 9Collect sidestream emissions and transport them to NTID chemical
labCollected simultanesously with CR2
CR4 9 Incorperate hollow lung cast into mainstream emissions test
Dr. Robinson is in charge of the cast after the test.
CR5 9 Must be self-contained and portable
Must fit on a workbench
CR6 3 Must be user friendly
CR7 1 Must be able to be assembled in other labs
Not for mass production.
CR8 3 Smoke must be ventilated to an outside enviornment
Improve upon current system
Sept. 24, 2013CR9 9 Direct exaust from main stream
through side stream machineCR10 3 Humidify main stream smoke Be aware of ISO standardCR11 1 Design to ISO/Coresta standards If production is hindered, ignore standards
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ENGINEERING REQUIREMENTS
Project: Smoking machine for emissions and lung cast deposition evaluation P14054Revision #: 2
Date Created rqmt. # Importance Source Function Engr. Requirement (metric) Unit of Measure
Marginal Value Ideal Value
Aug. 28, 2013 S1 9 CR1 Generate puffing profile from the data obtained from wPSMD % 5% <5%S2 9 CR1 Reproduction of generated puff profile % 5% <5%S3 3 CR5 Fit on a workbench and be portable m2 1.5 <1S4 9 CR6 Create a user-friendly manual for machine operation(Mainstream, Sidestream and Casting)- - -S5 9 CR6 Make a user-friendly LabView interface - - -S6 9 CR2,CR3 Collect mainstream and sidestream emissions simultaneously - - -S7 9 Deliverables Generate Labeled and documented flow diagrams of Pressures Pascals - -S8 9 Deliverables Generate Labeled and documented flow diagrams of Flow Rates ml/s - -S9 9 Deliverables Generate labeled and documented wiring diagram V - -S10 9 Deliverables Label system according to respective diagrams - - -S11 1 Deliverables Generate parts list with BOM per vendor specifications - - -S12 3 Deliverables Incorporate adaptor to smoke electronic cigarettes - - -S13 3 Deliverables Improve ventilation system from prior projects. - - -
Sept. 24, 2013 S14 3 CR6, CR11 Consistant polypro tubing size/connector size mm 9.5 (3/8 in)S15 3 CR9 Vent main stream exaust to side stream system - - -
Sept. 30, 2013 S16 3 CR11 Cigarette holder needs to be level deg +5 deg 0 degS17 1 CR11 Ash tray below cigarette mm 20-60 40S18 3 CR11 Pressure drop of complete flow path for 17.5 mL/sec Pascals 300 0S19 3 CR11 Dead volume mL 100 0S20 3 CR11 Filter system pressure drop across all filters Pascals 250 0S21 9 CR11 Puff termination device - - -S22 3 CR11 Temerature and Relative humidity measurement - - -S23 3 CR11 Flameless first-try ignition - - -S24 3 CR11 Fishtail chimney testing height above ash tray mm - 6S25 3 CR11 Side stream smoke flow rate L/min +/- 0.1 3
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RELATIONSHIP DIAGRAM
Need Priority Gene
rate
puffi
ng p
rofil
e fr
om th
e da
ta
obta
ined
from
wPS
MD
Repr
oduc
tion
of g
ener
ated
puff
pro
file
Fit o
n a
wor
kben
ch a
nd b
e po
rtab
le
Crea
te a
use
r-fr
iend
ly m
anua
l for
m
achi
ne o
pera
tion(
Mai
nstr
eam
, Si
dest
ream
and
Cas
ting)
Mak
e a
user
-frie
ndly
Lab
View
in
terf
ace
Colle
ct m
ains
trea
m a
nd si
dest
ream
em
issio
ns si
mul
tane
ously
Gene
rate
Lab
eled
and
doc
umen
ted
flow
dia
gram
s of P
ress
ures
Gene
rate
Lab
eled
and
doc
umen
ted
flow
dia
gram
s of F
low
Rat
es
Gene
rate
labe
led
and
docu
men
ted
wiri
ng d
iagr
am
Labe
l sys
tem
acc
ordi
ng to
resp
ectiv
e di
agra
ms
Puff cigarettes at different progammable 9 x xCollect mainstream emissions and transport them to NTID chemical lab 9 x xCollect sidestream emissions and transport them to NTID chemical lab 9 x xIncorperate hollow lung cast into mainstream emissions test 9 x xMust be self-contained and portable 9 xMust be user friendly 3 x x x x x xMust be able to be assembled in other labs 1 x x x x xSmoke must be ventilated to an outside 3Direct exaust from main stream through side stream machine 9Humidify main stream smoke 3 xDesign to ISO/Coresta standards 1
Rev. 2 Measure % % m2 - - - Pascals ml/s V -12-10-13 Team 14054 12
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RELATIONSHIP DIAGRAM
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FUNCTIONAL DECOMPOSITION
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FUNCTIONAL DECOMPOSITION (1)
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FUNCTIONAL DECOMPOSITION (2)
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FUNCTIONAL DECOMPOSITION (3)
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FUNCTIONAL DECOMPOSITION (3)
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CONCEPT GENERATIONCategories Solutions
Inhale Smoke Syringe pump
Centrifugal Pump
Human Squeeze pump
Human Lung
Fire Starter
Compressed Air
hold Lung Velcro
Finger Clamp
Rod & sleeve
Glue
Tie Wraps
Bottom hanging support
Hold Cig I.S.O standard piece
Finger Clamps
Sleeves
McDonalds Straw
V supports
Lips Casting
Light Cig Laser
Lighter
Electric coil
Flamethrower
Magnifying glass
Flint
Humidifier Spit
Sprinkler system
Steam from boiled water
bubbles
Exhale Reverse pump cycle through
3 Way Valve
Negative Vacuum
Vent Fan
compressed Air
Vacuums
Hand Power
Ventilation System
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CONCEPT GENERATIONCONTINUED
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CONCEPT SCREENING
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CRITICAL DESIGN CHALLENGES
(C.D.C) Pump- Eric Valve- Chris Tubing- Chris Lighting- Gideon Humidifier- Megan
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C.D.C - PUMP Best solution- OEM 570 Syringe Pump
Pros- LabVIEW programmable Appropriate mimic of a lung Simple to use/set up Runs by itself after set up
Cons- Expensive ~$650 Only for Main Stream testing. Need separate
pump for Side stream machine
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C.D.C – PUMP, SIDE STREAM
Best solution- Electric vacuum pump Pros-
Already have High vacuum Oil free
Cons- Expensive (if had to buy) Continuous run, need to limit flow
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C.D.C – PUMP, SMOKING PROFILE
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C.D.C - VALVE Best solution- 2-way check valve
Pros- Inexpensive ~ $5.00 Corrosion resistance ~ polypropylene Easy to clean Low cracking pressure ~ 1 psi Rubber hose connections ~ range of sizes
Cons- No built in flow sensor
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C.D.C - TUBING Best solution- standard size/material tubing
Pros- Professional looking Easy disassembly for maintenance, testing, and cleaning “1 size fits all” Constant flow rate
Cons- Need for reducers or enlargers Replacement of all old tubing
Tube to Pipe AdapterApprox. $2.25 each
Polypropylene Tubing Approx. $.37/footFDA approved
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C.D.C - LIGHTING Best solution- electric cigar lighter
Pros- Remotely activated/autonomously controlled Flexibility No human interaction Safety using fuses or biased impedance Non chemical use
Cons- Lighting Difficulties
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C.D.C - LIGHTING
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C.D.C - HUMIDIFIER Best solution- Ecoflo
Pros- Easy to control Built in feedback system
Cons- Large Unit Implementation
Previous Unit Pros-
Easy to implement, small footprint Cons-
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RISK MANAGEMENTID Risk Item Effect Cause Likelih
ood
Severity
Importance
Action to Minimize Risk Owner
Describe the risk brieflyWhat is the effect on any
or all of the project deliverables if the cause
actually happens?
What are the possible cause(s) of this risk? L*S
What action(s) will you take (and by when) to prevent, reduce the impact of,
or transfer the risk of this occurring?
Who is responsible for
following through on mitigation?
1 System catching on fire Destruction of unitMisuse of Lighting
method, Pump overheating, electrical
short, cigarette ash1 3 3 Have a fire extinguisher in room, proper
use of lighting method Megan
2 Over bearing of cart Destruction of system, loss of mobility,
Weight exceeds cart tolerance, caster
wheels failure, cart handle failure
1 3 3 Follow cart specified FOS Chris
3 Cart instability Fragile equipment might break, flow performance
Improper distribution of equipment 1 3 3 Measure and proper distribution of
equipment Chris
4 Smoke containment failure Fire alarm goes off, health concerns
Improper sealing, poor ventilation, improper
use of system2 1 2
Use of hand-held smoke detector, proper ventilation, proper sealant,
possible time delay for opening doorEric
5 Fragile equipment failureFaulty data, no data, expensive to replace, injury during removal
Transportation, recklessness, proximity to heat source, pump
vibration2 3 6 Use of Proper Protective Equipment,
insulate fragile equipment Matt
6 Faulty wiringFaulty data, no data, noisy data, equipment failure,
electrical shorts
Improper coating, improper wire gauge,
burn out near heat source, improper
grounding
2 1 2 Double check against schematic Gideon
7 Collision of moving partsDamaged equipment,
pinch hazards, technician injury
Improper programming, faulty sensors, power surge
2 1 2 Manually test system Jose
8 Pump failureNo flow, experimental failure, expensive to
replace
Loss of power, improper filtering, over use, incorrect gauging,
improper set up1 1 1 Proper filtration, proper cleaning,
proper cooling Eric
9 Contamination Faulty data, equipment destruction, lab hazards
Leaks in tubing, faulty seals, backflow,
improper sterilization2 3 6
Insuring proper seal, checking from pressure drop, use of hand-held smoke
detectorMatt
10 Power FailureNo data, uncontrolled cigarette burn, no user
interface
Power grid failure, breaker trip, computer unplugged from wall
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BASIC FLOW DEPICTION
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FLOW DIAGRAM
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BLOCK DIAGRAM
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INVENTORY RESULTS
Category Part Description Part Number Quantity Supplier Price Per Unit Total Price Lead Time Possible Solutions
Data AcquisitionNI Static and Waveform Analog
Output - 13 bit, 32 Channels (PCI Card)
778701-01 1 National Instruments $1,099.00 $1,099.00 10-15 days Borrow from Systems Lab
Data Acquisition NI Static and Waveform Analog Output - 13 bit, 32 Channels (Cable)
186381-02 2 National Instruments $89.00 $178.00 10-15 days Borrow from Systems Lab
Data AcquisitionNI Static and Waveform Analog
Output - 13 bit, 32 Channels (Connector Block)
776844-01 2 National Instruments $299.00 $598.00 10-15 days Borrow from Systems Lab
Data AcquisitionNI 16-Bit, 250kS/s, 32 Analog Inputs,
48 digital I/O (PCI Card) 779067-01 1 National Instruments $599.00 $599.00 10-15 days Borrow from Systems Lab
Data AcquisitionNI 16-Bit, 250kS/s, 32 Analog Inputs,
48 digital I/O (Cable) 192061-02 2 National Instruments $119.00 $238.00 10-15 days Borrow from Systems Lab
Data AcquisitionNI 16-Bit, 250kS/s, 32 Analog Inputs,
48 digital I/O (Connector Block)
779475-01 2 National Instruments $299.00 $598.00 10-15 days Borrow from Systems Lab
Lung Cast Pressure Sensors 4043A1 4 Kistler $1,530.00 $6,120.00 FOUND in-line pressure transmitter in lab
Lung Cast Remote Signal Conditional 4618A0 4 Kistler $510.00 $2,040.00 ASK KEMPSKI, IS IT NEEDED?
Pump Oil-Free High Vacuum Pump 5.0 CFM Free Air
4299K4 1 McMaster-Carr $642.50 $642.50 Researching alternatives, looking at syringe pumps
Sensors Silicon on Sapphire Pressure Transmitter
PX4200-015GI 1 Omega $295.00 $295.00 IS IT NEEDED?
full list $12,407.50List-NI equipment $9,097.50
Possibly what we need $2,977.5012-10-13 Team 14054 35
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FUTURE ACTIONS Component Finalization Create B.O.M. Test Plan
Pressure Flow Mechanical movement
3D Models Assembly Diagrams
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Work Breakdown Matt and Megan
Flow Path Flow correction
Chris 3D models of
components Finding existing models Creation of new models
Eric LabView research
Gideon Wiring diagram Schematic/block
diagrams Jose
Space constraints Initial system layout
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SUMMARY Week 3 Opportunities Schedule Problem Statement Customer Requirements Engineering Requirements Relationship Matrix Functional Decomposition
Concept Generation Concept Screening Critical Design Challenges Risk Management Flow Diagram Block Diagram Future Action Work Breakdown
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QUESTIONS?
http://www.youtube.com/watch?v=VoBGau9623I
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