Post on 05-Jul-2018
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Yokogawa Corporation of America
Copyright © Yokogawa Electric Corporation
Vortex Flow Technology
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Copyright © Yokogawa Electric Corporation
Corporate Brand
The acute angle and sharp straight edges of the top half of the
diamond symbol represent Yokogawa’s cutting-edge technology while
the gentle curvature of the bottom half represents the warm-hearted
nature of Yokogawa’s people. By balancing these two elements,
Yokogawa aims to contribute toward the realization of a thriving
global society in much the same way as the sun. This property is
reflected in the bright yellow of the diamond. !orporate trademark since "ctober #$%&
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Copyright © Yokogawa Electric Corporation
1969
Yokogawa designs
first Vortex meter
1982
Dual piezoelectric
sensor
1979
First industrial
Y!F"# released
1987
First $%& inc'
Vortex flowmeter
1988
1$($$$ units
installed )*+,-
1989
First .+mart/
Vortex flowmeter
199$
Y!F"# 1$$0
,merican made
199&
ass Y!F"#
introduced
History of YEWF! Vortex
199
icroprocessor
34ased
.+,5/ flowmeter
"##"$igital YEWF!
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Copyright © Yokogawa Electric Corporation
roduct "ine3*p
• Semi-conductor andbiotech industries• Electropolished
7-15Ra finish
ig' ressure Design
ig'3urit Design
• 1500# & 2500# flange
ratings
Dual +ensor Designs
• Redundant sensors for
critical applications
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Copyright © Yokogawa Electric Corporation
rinciple of #peration
he analog! of a golf ball mo"ing through the air is useful
in describing "orte formation$
% slo mo"ing putt barel! displaces
the molecules of air
he higher "elocit! of a chip shot
causes irregular eddies to form behind
the ball
he "elocit! associated ith a dri"e is
sufficient to cause a strong' regular
"orte formation behind the ball
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Copyright © Yokogawa Electric Corporation
rinciple of #peration
ountain
opVortices
(orte formation inclouds blon b! a
mountain top is an
eample from nature of
the "orte phenomenon
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rinciple of #peration
"ig't 4reeze 3 "aminar flow(
no :ortices formed
;5 < $3&$$$
+tiff 4reeze 3 ransition flow(
irregular :ortex formation
;5 < &$$$32$$$$
+trong wind 3 ur4ulent flow( regular :ortex pattern
;5 < =2$$$$
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8/42Copyright © Yokogawa Electric Corporation
%rinciple of !peration
)hen a floing medium stri*es a non-streamlined bluff ob+ect'
it separates' mo"es around the ob+ect and passes donstream, %t the point of contact ith the ob+ect' "orte sirls separate from the
bod! on alternating sides, his separation causes a local increase
in pressure and a decrease in "elocit! on one side and a decrease
in pressure and an increase in "elocit! on the opposite side, he
alternating "elocities generate alternating pressure forces on either side
of the bluff bod!, he freuenc! of these pressure changes is
proportional to "elocit!,
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Differential
+witc'ed >apacitor Y!F"#
+'edder ?ar
@ntegral Diap'ragm
'ermistor
Typical Vortex &ensors
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% pie.oelectric cr!stal
con"erts a mechanical stress
into an electrical pulse, he
cr!stals are hermeticall!sealed and not in contact ith
the process,
/r!stal %
/r!stal
Force
lo hits the shedder bar' separates
and due to the shape of the bar'
forms "ortices, he "ortices create
an alternating pressure differential
across the bar, he bar is ph!sicall!stressed toard the lo pressure
side of the bar,
lo
*niAue +ensor Design
ow Does @t !orkB
' (
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rinciple of #peration
he arman "orte freuenc! 3f4 is proportional to the "elocit! 4"4,
herefore' it is possible to obtain the flo rate b! measuring the arman
"orte freuenc!$
f St 6"d8
here$ f arman "orte freuenc!
St Strouhal number 6constant8
" (elocit!
d )idth of "orte shedder 6constant8
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What is &tro'hal ('m)er*
l
• he Strouhal number is the ratio beteen the "orte inter"al and the
shedder bar idth• 9suall! the "orte inter"al 6l8 is about : times the shedder bar idth
6d8' hile the Strouhal number is the reciprocal "alue 6;0,178• )hen the Strouhal number is fied' the "elocit! can be measured b!
counting the number of "ortices
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Sensor %ssembl!
S?
@E%=
SAE??ER
%R
3BC
SE%=
DBC
// D=%E
AER@E>/ SE%=
/%D %SSE@=
D>EF//RS%=S
>BS9=%B 9>BC8
@E%= 9E
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iezoelectric
>rstals
>eramiclate
etal Disc
etal u4e
etal late
.#/ 5ing +eal
+olid etal
+'edder ?ar
Bo thin
diaphragms to damage
Bo ports to plug
@ in ecess of 250 !ears
*niAue +ensor Design
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,mplifier• 5emote a:aila4le
Casket• ig' 5elia4ilit
?od• Full ,;+@ rating
+'edder ?ar • +olid metal• 5ugged construction• ;o mo:ing parts
@ndicatorotalizer
"ocal @nterface
ermeticall +ealed
+ensor
Field %ro+en ,echanical Constr'ction
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Why are more 'sers applying Vortex*
• Improved Reliability• (o -mp'lse ines to %l'g. Free/e. or eak
• 0ed'ced potential leak points
• Reduced Cost• -n1line de+ice is cost1e2ecti+e in smaller lines
• 0ed'ced maintenance3 (o imp'lse lines. (o %eriodicCali)rations 0e4'ired
• Can be applied in most applications where
D!"ri#ce has traditionally been used• "1wire $e+ice
• Applica)le to i4'id. 5ases and &team
• Wide Temperat're 0ange to 67" F 879# C:
Vortex &impli;es -nstallation < 0ed'ces Costs
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Copyright © Yokogawa Electric Corporation
Vortex %erformance Bene;ts
.igh /ccuracyG- 0,75H of reading 6liuid8
G- 1H of reading 6gas' steam8
/utomatic 0as E1pansion Factor Correction% dramatically improves accuracy
2emperature Compensation% eliminates ambient temperature e3ects on the
analog output
2urn Down% as high as 4567 provides accurate control over
wider process conditions
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Copyright © Yokogawa Electric Corporation
• ;o start3up tuning
•,d:anced self3diagnostics
•arameter settings made simple
•>ompact design
•>lear( two3line displa
Featuring Y#E#C,!,s new( proprietar
digital signal processing tec'niAue
~Spectral Signal ProcessingSSP
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Copyright © Yokogawa Electric Corporation
Adapti+e (oise &'ppression 8A(&:
ending moment of shedder
bar in lift force direction
=ift
?irection
S B
B2
B1S1
Dolari.ation
?irection
S2
• %BS ta*es ad"antage of
o*ogaaIs uniue dual
sensor design
• ! indi"iduall! anal!.ing the
signal from each sensor %BS
can deduce hich portion of
the signal is flo and hich
portion is noise,
• >mpro"es signal to noiseratio
• /ontinuousl! anal!.es the
incoming signals and adapts
to changing noise conditions
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Copyright © Yokogawa Electric Corporation
; Spectral Signal DrocessingSSD
reuenc!
%nal!.ing
>ntelligent
%mplification
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Copyright © Yokogawa Electric Corporation
BPF
Piezo-ceramics
Noise Ratio Setting
Summer
SPECTRUMANALYZER 3
CAR!EC"N#ERTER
SPECTRUMANALYZER $
SPECTRUM
ANALYZER %
)*+C"N#ERTER
CPU
Sc&mittTrigger
C%E %RR%
B
)
Counter
CAR!EC"N#ERTER
"ut'utCircuit
)*+C"N#ERTER
+ignal rocessing >ircuitr
>n digitalE)=< the signal processing circuitr! is full! digiti.ed, his permits signal
processing hich had been pre"iousl! performed b! analog circuits 6such as an adder'
Schmitt trigger' and filter8 to be incorporated into a gate arra!' resulting in reduced parts
and a donsi.ing of the con"erter,
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Copyright © Yokogawa Electric Corporation
E2ect of Vi)ration
luid$ )ater
Si.e$ 50mm
Setting$ ?efaultSpan$ 15 mKh 62 ms8
(ibration$ 1C
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Copyright © Yokogawa Electric Corporation
ow Flow 0esponse
luid$ )ater Si.e$ 50mm Setting$ ?efault
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Copyright © Yokogawa Electric Corporation
&impli;ed %arameter &ettings
Fre+uently!used parameters grouped together in a +uick access (ormatdecreases commissioning time8
HART Communicator Menu Tree for DYF
1 Device Setup 1 Process Variable 1 lo! Rate cr
" lo! Rate " lo! Rate #$% cr& Analo' (utput & Analo' (utput cr) lo! Span ) Total cr
#* Temperature% cr#+ Densit,% cr
1 Self- Test" Dia'.Service 1 Self- Test.Status " Status r
" /oop Test
& D.A Trim 1 Set Percent Mo0e r!) Scale0 D.A Trim " Set re2uenc, Mo0e r!* Test (utput & Set Status
HART Communicator Menu Tree for DYF
1 Device Setup 1 Process Variable 1 lo! Rate cr
" lo! Rate " lo! Rate #$% cr& Analo' (utput & Analo' (utput cr) lo! Span ) Total cr
#* Temperatur e% cr#+ Densit,% cr
1 Self- Test" Dia'.Service 1 Self- Test.Status " Status r
" /oop Test& D.A Trim 1 Set Percent Mo0e r!) Scale0 D.A Trim " Set re2uenc, Mo0e r!* Test (utput & Set Status
& 7asic Setup 1 8as, Setup" Ta' r!& lo! 3nit 1 /i2ui05Volume
) lo! Span r! " 9as.Steam5Volume* Dampin' r! & /i2ui05Mass) 9as.Steam5Mass* 9as5STD.:ormal
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Copyright © Yokogawa Electric Corporation
(ew Compact Ampli;er Ho'sing
9maller than Yew$o:E 1=#>Fewer parts (or improved reliability
6"olume reduction8
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Copyright © Yokogawa Electric Corporation
Features G Functions +ummar
•Bo start-up tuning %utomaticall! selects the optimum settings - e"en in nois! en"ironments
•=o flo stabilit!
%ccuratel! senses "ortices at lo flo rate for stable' accurate flo measurement
•ac*ard compatible
he SSD amplifier can be retrofitted to pro"ide the best "orte flo measurementa"ailable toda!
• %d"anced self-diagnostics
Dro"ides diagnostic messages on high "ibration en"ironments' ecessi"e flo
fluctuations' and clogging or plugging in the area around the shedder bar, %nal!sis
of the process allos true condition-based maintenance
•Simplified parameter settings
reuentl! used parameters grouped together in a uic*-access format decreases
commissioning time
Features G Functions +ummar
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Copyright © Yokogawa Electric Corporation
Features G Functions +ummar
•/lear' parallel to line =/? displa!
?ispla!s simultaneous flo rate and total along ith process diagnosis
/onfigurable through displa! interface 6@@>8
•Be compact amplifier housing
=ighter' small and easier to handle design ith increased reliabilit! and performance
•Simultaneous analog and pulse outputs
•Status output 6flo sitch function8 or alarm output
•R%>B' A%R and communications
•)ide process temperature range
Aigh temperature option to NJ2 deg, 6J50 deg, /8
•Aigh accurac!
G- 0,75H of reading 6liuid8
G- 1H of reading 6gas' steam8
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Copyright © Yokogawa Electric Corporation
,'lti1+aria)le ,ass VortexFlowmeter
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Copyright © Yokogawa Electric Corporation
digitalYE*F)" ;ulti!variable ;ass
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Copyright © Yokogawa Electric Corporation
Multi-variable Option ~ Flow & Temperature
Built-in temp sensor rotected in shedder bar
*- # deg ! li/uid0, *- 1 deg ! gas*steam02 3T+ t #4ohm
Multi-variable option 5low 6 temperature values displayed
+ual output flow7 pulse, temp7 8-190
Steam mass flowrate calculation :ass flowrate calculated using steam table and measured
temperature fi;ed pressure0
*- 1< of rate accuracy
R? sensor
Die.o sensors
Shedder bar
di it lYE*F)"
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digitalYE*F)" ;ulti!variable ;ass
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Copyright © Yokogawa Electric Corporation
-nstallation Considerations5eneral
% %ipe orientation
• Ensure that pipe stays (ull% ,eter orientation
• Can be mounted in any direction
% ,aterials of constr'ction
• Ensure that material is compatible with process $uid% Heat of %rocess
• Ensure proper meter selection (or process temperature
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&'ccessf'l Vortex Applications
roper
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Copyright © Yokogawa Electric Corporation
%iping 0e4'irements
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Copyright © Yokogawa Electric Corporation
%roper gasket selection and installation
Correct I8D8 re+uired
9el( Centering =Recommended>roper material
roblems occur i(888 gasket is too
small,gasket is de(ormed, has shi(ted
position, or i( the mating pipe connection ismisaligned8?
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%ress're and Temperat're Taps
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Copyright © Yokogawa Electric Corporation
0elia)le Flow ,eas'rement &ol'tion
Vortex has come a
long way o+er theyear?
@se Vortex as
another owmeas'rementsol'tion? -t reallydoes Work
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Yokogawa Corporation of America
Thank Yo'