part 2 basic principle

7/23/2019 Part 2 Basic Principle

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Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite "

Part "# Introduction

Part # $asic Princi%lePart &# Product ran'e

Part (# Meter Com%onents

Part !# A%%lications and )e*erences

Part 6# Cali+ration

Part ,# eneral System Con*i'uration

Contents



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite

t. / trael time *rom A to $

L / measurin' line len'th 1 / measurin' line an'le

C / elocity o* sound di / inside diameter

m / mean2 uncorrected 'as elocity

t3 / trael time *rom $ to A

ϕdi 4m/0

L

0

0

t

C

Lt t

v

U D

m

===

=

A+solute .i'ital 5rael 5ime Method "7



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite &

t. / trael time *rom A to $ t3 / trael time *rom $ to A

L / measurin' line len'th 1 / measurin' line an'le

C / elocity o* sound di / inside diameter

m / mean2 uncorrected 'as elocity

)( vC

L =t

m

Dϕ cos⋅+

)( v-C

L =t

m

U

ϕ cos⋅

⋅

⋅ t

1 -

t

1

)( 2

L =v

baab

mϕ cos

ϕ

di m≠0

L

A+solute .i'ital 5rael 5ime Method 7



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite (

080"

08"

"

"0

"00 "000 "0000

Velocity of Sound [m/s]

D e n s i t

y [ k g / m 3 ]

.ensity s8 4elocity-o*-Sound



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite !

In*luence o* 5em%eratureariation o* 4elocity-o*-Sound 9ith tem%erature7

&:!

&;0

&;!

(00

(0!

("0

("!

(0

0 "0 0 &0 (0 !0 60 ,0

Pressure [bar]

V e l o c i t y - o f - S o u n d [ m / s ]

0 de' C ! de' C &0 de' C



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite 6

&,0

&:0

&;0

(00

("0

(0

(&0

,: :& :: ;&

% Methane

V e l o c i t y - o f - S

o u n d [ m / s ]

In*luence o* Com%osition



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite ,

no!ledge is re"uired about the #lo! Velocity Profile

V $ k Vm

&

'

Vm4Vk

Wei'hin' Factor k



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite :

...=

t

1-

t

1Ak

2cos ϕ

LQ

UD

( )nreliability in kno!ing the e*act +nstallation Parameters

, +naccuracy of the #lo! Meter +nstrument .rror

11

2 UD tt

LC

+.=

.= t

1

-t

1

2cos ϕ

L

vmUD

Accuracy



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite ;

S9irl # 4elocity %er%endicular on %i%e a<is

=**ects# no in*luence on total *lo92 +ut in*luence on time measurement

Vm

Vs!irl

S9irl



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite "0

Double out-of-lane 'end



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Sei te ""

Double out-of-lane bends

> Considered 9orst case

> Creates %ro*ile distortion

> Creates s9irl

> )educes accuracy o* k-Factor

4elocity Pro*ile .istortion "7



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite "

0ther Sources

> Pi%e diameter chan'es

> 4ales

> =l+o9s

>5ee sections

> S%iral 9elded %i%e

4elocity Pro*ile .istortion 7



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite "&

4elocity Pro*ile .istortion &7

1hat to do2

> Well selected measurement %oint

> Strai'ht len'th u%stream o* meter

> Flo9 conditioner

> Flo9 %ro*ile determination

> S9irl detection ? com%ensation



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite "(

> Measurin' Line Len'th M)$7

⇒ L

> Inner .iameter S%ool M)$7 ⇒ A

> Measurin' An'les M)$7 ⇒ ϕ

> Wall )ou'hness o* S%ool M)$7 ⇒ k

Installation Parameters L2 A2 ϕ and k



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite "!

4D

tanδtCδV

2ϕ ⋅⋅

= !ith $ 45 this results in

Instrument =rror



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite "6

-3

-,

-(

4

(

,

3

4 6 (4 (6 ,4 ,6 34

4elocity @m?s

r e l a t i 0 e =

r r o r @ B A

-44,

-44(6

-44(

-4446

4

4446

44(

44(6

44,

a + s o l u t e = r r o r @ m ? s A

A+solute s8 )elatie =rror



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite ",

Cali+ration ra%h Mi Wester+ork7

7alibration 7ur8e

-800

-"8!0

-"800

-08!0

0800

08!0

"800

"8!0

800

0 "0 0 &0 (0 !0 60 ,0 :0 ;0 "00

#lo! 9ate :%;

. r r o r : %

;



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite ":

> Intrinsically hi'h accuracy

> Sta+le cali+ration oer 9ide measurin' ran'e

> )e%eata+ility under actual o%eratin' conditions

> Sensitiity - een at lo9 *lo9 ran'ea+ility

> 59o-9ay tra**ic> =asy to im%lement

> )elia+le

> )esistance to 9ear or chan'e o* cali+ration

$ene*its o* .i'ital 5rael 5ime Method "7



Analysen- und Prozessmesstechnik Sales Presentation FLOWSIC 600 March 00! Seite ";

> Fast res%onse

> )u''ed

> .ynamic eri*ication 9?C

> o %ressure dro%

> Lo9 cost-o*-inestment2 lo9 cost-o*-o9nershi%> A+ility to identi*y *lo9 direction

> Can +e ada%ted to actual site conditions

> Can +e ada%ted to actual 'as conditions

$ene*its o* .i'ital 5rael 5ime Method 7

part 2 basic principle

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