design review p11221 reva

8/19/2019 Design Review P11221 RevA

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Agenda

( )ro*lem +vervie&

( )ro'ect +*'ectives

( Customers and ,sers

( )ro'ect Flo& Chart - )lan( En!ine odel +vervie&

( Desi!n +ptions

( Desi!n Feasi*ility( Net /teps

( 0uestions - Discussions


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Background

( Noise a*atement " !ro&in! 1ield

( Formula /AE /ound Constraints

( Conventional ethods 2educe

)er1ormance( No 23T $ack!round in this Field

( ultiple Applications )ossi*le

( Customer: Dr. Nye

( ,sers: Formula /AE Team

EE 4565"4 Team


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Project Scope

( 3nvesti!ate physics o1 sound !eneration and transmission

( 3denti1y and locate ma'or noise contri*utors in 3CE

( Analyze and model noise !eneration o1 3CE

( )ropose desi!n 1or noise reduction mechanism

( )rovide *ack!round to EE team 1or parallel ANC pro'ect

( )rovide noise reduction demonstrator 1or /prin! 4566

3ma!ine23T


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Project Deliverables

( En!ine /ound odel

( ANC /ystem Constraints

( Demonstrator 1or 3ma!ine23T


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Project Overview


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Project Breakdown

Mechanical

Proposals

Research

TopicsElectrical

(ANC)

Analyze

SAE Engine

NOISE

REDUCTION


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Detailed Project Breakdown

Mechanical

Proposals

Research

Topics

Electrical

(ANC)

Son! Internal

Co"#stion

Engine

Son!

$eneration

$ather Data

(Engine Characterization)

Acti%ePassi%e

Specs &

Doc"ents

Pac'aging

& ayot

Analyze

SAE Engine

Crrent

Mler*E+hast

Syste"s

Resonator A#sorpti%e Resonator

NOISE

REDUCTION


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Customer Needs


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Engineering Specifications


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Relationsip Diagram

!ES " Reduce noise level

!ES # Passes B"$%&%" of te S'E (ormula rules

!ES ) Component Costs

!ES "& Cange in Engine *a+ Power


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,e PlanConcrete Date

Topic

Tas'

+ co"plete tas'

,- ,. /0 , 1 ,2 // /3, Project Planning 15 days Fri 9/10/10 Fri 9/24/10 + + +

/ O#tain Csto"er Nee!s (continos) 1 !ays 4ri 3*,-*,- 4ri 3*,.*,- + +

5 Deine Engineering Speciications 1 !ays 4ri 3*,.*,- 4ri 3*/0*,- + +

0 Create Preli"inary Plan , !ay Th 3*/5*,- Th 3*/5*,- +

2 Deine Possi#le Ris's (preli"inary) , !ay Th 3*/5*,- Th 3*/5*,- +

6 Create * Deine Tea" Nor"s & 7ales , !ay Th 3*/5*,- Th 3*/5*,- +

. Choose Tea" ea!er , !ay Th 3*/5*,- Th 3*/5*,- +

1 Benchmarking / Research 7 days Fri 9/10/10 Th 9/1!/10 + +

3 Physics o Son! . !ays 4ri 3*,-*,- Th 3*,6*,- + +

,- Son! Measre"ent . !ays 4ri 3*,-*,- Th 3*,6*,- + +

,, Internal Co"#stion Engine . !ays 4ri 3*,-*,- Th 3*,6*,- + +

,/ Crrent Noise Re!ction Metho!s . !ays 4ri 3*,-*,- Th 3*,6*,- + +

,5 "once#t $eneration %&oise Redction' 10 days Fri 9/24/10 Te 10/5/10 + + +

,0 Contact Acostics E+perts (D8R & Dr9 :yels) / !ays Mon 3*/.*,- Te 3*/1*,- +

,2 7ali!ate Ass"ptions / !ays Mon ,-*0*,- Te ,-*2*,- +

,6 ;eco"e 4a"iliar


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,e Plan

,- ,. /0 , 1 ,2 // /3 2 ,/ ,3

/. ngine "haracteriation 7 days *on 10/4/10 Th 10/14/10

/1 Deine Process & Inpts / !ay Mon ,-*0*,- Te ,-*2*,-

/3 oo' at Crrent 4or"la car , !ay 4ri ,-*1*,- 4ri ,-*1*,-

5- Deter"ine Sensors & E=ip"ent nee! , !ay Te ,-*2*,- Te ,-*2*,- +

5, Ac=ire Sensors & Other E=ip"ent (i nee!e!) 2 !ays Te ,-*2*,- Sat ,-*3*,- + +

5/ Set8p 4or"la Car or Testing , !ay Th ,-*,0*,- Th ,-*,0*,-

55 O#tain Data ro" 4or"la Car , !ay Th ,-*,0*,- Th ,-*,0*,-

50 Analyze Data 8 Create >Map> o engine / !ays Th ,-*,0*,- 4ri ,-*,2*,-

52 etailed esign )nalysis 2+ days (at 10/9/10 Th 11/4/10

56 Up!ate Ris' Assess"ent , !ay Sat ,-*3*,- Sat ,-*3*,-

5. De%elop ;est Mechancial Option(s) /1 !ays Sat ,-*3*,- Th ,,*0*,-

51 De%elop Syste" ayot (Anti8Phase Design) /1 !ays Sat ,-*3*,- Th ,,*0*,-

53 De%elop Pac'aging (Anti8Phase Design) /1 !ays Sat ,-*3*,- Th ,,*0*,-

0- Final esign )nalysis 7 days ed 11/3/10 Th 11/4/10

0, Up!ate Ris' Assess"ent , !ay Th ,,*0*,- Th ,,*0*,-

0/ 4or"alize Engine Characterization reslts / !ays :e! ,,*5*,- Th ,,*0*,-

05 Co"pile Data & Inor"ation or EE?s / !ays :e! ,,*5*,- Th ,,*0*,-

00 Peror" Detaile! Design Re%ie< , !ay 4ri ,,*2*,- 4ri ,,*2*,-

02 Project Reie 1 day TB TB

06 Peror" Pro@ect Re%ie< , !ay T;D T;D

0. "om#lete 6 #load all docmentation on $ 3 days *on 11/15/10 ed 11/17/10

01 *( .. Pre#aration / Planning 7 days *on 11/15/10 ed 11/17/10

03 Or!er "aterials an! parts nee!e! /92 "o Mon ,,*,2*,- Mon /*/1*,,

2- Create Speciication Sheet an! S""ary or EE?s / !ays Te ,,*,6*,- :e! ,,*,.*,-

2, Create :;S an! Plan * Sche!le 6 !ays 4ri ,,*,/*,- :e! ,,*,.*,-

,cto-er &oem-er. Task &ame ration (tart Finish (e#tem-er

Concrete Date

Topic

Tas'

+ co"plete tas'


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Risk 'ssessment


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Risk 'ssessment


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Risk 'ssessment


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Researc - Bencmarking


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Sound is Pressure

ttp.//www%scool0for0

campions%com/science/noise1cancellation%tm


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2ow 3e *easure Sound

! Digital Signal

Processing

! Decibel *eters

! Sound Pressure

4ndicators


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4C Engine Sources

Pressure 3aves


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*EC2'N4C'5 DES46N

OP,4ONS


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7npacked Concentric ,ube

Resonators

! Design 8". Single0pass

! Design 8&. *ulti0pass

! Passive

ttp.//www%eastsidemufflers%com/mufflers%tm


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Design 8". Single0pass

oles in pipe

Resonating

Cha"#er Inner Pipe

E+hast $as4lo<

Son! :a%es


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Design 8&.

*ulti0pass

E+hast $as

4lo<

Resonating Cha"#er

E+hast $as

4lo<


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Packed Concentric ,ubes

! Design 89. *etal (oam

! Design 8#. (ull 5engt of te E+aust S:stem

! Design 8;. Rock 3ool and Stainless Steel 3ool

www%stainlessworks%net


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(oams

! Permeabilit:

! Pore Si


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(oams

www%bundesregierung%de


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Optimal (oam Structure

Industrial Noise Control Handbook.

Ceremisinoff and Ceremisinoff


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'bsorption 'rea

Industrial Noise Control Handbook.

Ceremisinoff and Ceremisinoff


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*etal (oams

! 'vailable in a variet: of densities

! 'vailable in a variet: of pore si


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ER6 Duocel *etal (oams

ER6aerospace%com


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Design 8;. Rock 3ool

! ' fibrous insulation made from basalt

! Custom *uffler and 'uto RepairA 5'

! Cone EngineeringA 4nc%A C'! *agna(low E+aust


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Rock 3ool


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Desi!n 78: Ehaust /ilencer 3nsert

( Applied to ehaust tip

( 2e1lects /ound 9aves*ack into ehauststream


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Design 8. 'ctive Single0pass

Resonating Cha"#er

4re=ency DataMo%es laterally

E+hast $as

4lo<


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Design 8. 'ctive *ulti0pass

Resonating Cha"#er

4re=ency Data

Mo%es laterally

E+hast $as

4lo<


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E5EC,R4C'5 DES46N

OP,4ON


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Design 8"$. 'ctive Noise Cancellation ?'NC@

,is generates more sound b:

te adding of two waves%


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'NC continued

4ntroducing a wave "$ degrees

out of pase of te targeted noise

being cancelled%


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2ow 'NC 'pplies to Cars

,ree *ajor components of sound generation occur in a car

Dominating noise comes from te muffler


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(eed (orward Control


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(eedback Control

ttp.//focus%ti%com%cn/cn/lit/an/spra$#&/spra$#&%pdf


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4nstallation Options


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CONCEP, SE5EC,4ON


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5ist of Design Options

! Current 6lass Pack

"% 7npacked Concentric ,ube Resonator

&% *ulti0pass Resonator

9% *etal (oam

#% Entire 5engt of E+aust S:stem 3rapped

;% 5ava Rock/Rockwool and Stainless Steel 3ool

% *ultiple E+aust Pipes ?Combination@

)% End Cap Silencer ?Combination@% 'NC

% >ariable 5engt Resonator 0 Single Pass

"$%>ariable 5engt Resonator 0 *ultiple Pass


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Criterion 5ist

Criteria I"portance I"portance (B)

Ease o Manactre , 5B

Ease o Application , 5B

Noise Re!ction 3 5-B

Po


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Simple Concept *atri+


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Simple Concept *atri+ ?cont%@


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Simple Concept *atri+ ?cont%@

3 i t d C t S i


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3eigted Concept Screening

*atri+

3 i t d C t S i


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*atri+

3 i t d C t S i


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*atri+


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Results


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Resulting Design Options

! 7npacked Concentric ,ube Resonator

! Packed Concentric ,ube. = *etal (oam

= 5ava Rock/Rockwool and Stainless Steel 3ool

! >ariable 5engt Resonator 0 Single Pass

! 'NC

?End Cap SilencerA *ultiple E+aust Pipes@


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Critical 'ction 4tems

'ction 4tem 6oal No 5ater ,an!Design Commitment Oct% ";

!Data Collection ?CB@ Oct% "# Oct% &"

!Engine *odel ?C*@ Oct% " Oct% &;

!Design Resonator ?F*@ Oct% && Oct% &;

!Detailed BO* - Budget ?CB@ Oct% &

!Detailed 'NC Component

ReGuirements ?,H@ Oct% && Oct% &!Detailed 'NC 5a:out

- *ounting Scematic ?,H@ Oct% & Nov% "


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Sources

! ttp.//www%eastsidemufflers%com/mufflers%tm

! Picture Sources

! Slide "

! ttp.//www%motorc:cle0usa%com/potogaller:s/$9CBR$$RReuro1Det6%jpgSlide&

! Slide &

! ttp.//www%emspowered%com/

! ttp.//www%motorc:cle%com/manufacturer/onda/&$$90cbr0$$0track0test0"&&;%tml

! Slide ;

! ttp.//www%impactlab%net/&$"$/$)/$"/new0drug0could0reverse0earing0loss0caused0b:0loud0noises/

! Slide 9;

! ttp.//www%dirtwerk

design review p11221 reva

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