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RECIPROCATINGNTERNALAIVIBUSTION

NGINES

PERFOR|VIANCE

PART I : TEST V|ET|.|ODS

' .

D E P A R T E M E N

P E R T A M B A N G A N

D A . N

E N E R G I

I . t

PERUSAHAANUMUM LISTRII(ruEGARA

J L . T R U N O J O Y O

M I / 1 3 5

.

K E B A Y O R A NB A R U

.

J A K A R T A

8/10/2019 SPLN 23D-1980

2/7

INTER . ATI

ONAL

STAIJ

DA

R

D

tso

3046/ r -1977

E)

Reciprocating

nternal

combustion

ngines

Perfoiriance

Part l

:

Testmethods

'

S C O P E

l -

;

l ; i i e rna i i cna l

S ' rande rd

pec i f

es

accep tance

nd

type

: - : :

' : : e r l r ccs

fo r

rec ip roca t ingn te rna lcom bus t ion

eng ines

i3

com nre rc ia l

p roduc t i cn .

lVhe re necessa ry ,

nd iv idua l

rqu i rem en ts reg iven o r pa r t i cu la r ng ine pp l i ca t ions .

2

F T E L DO F

A P P L I C A T I O N

T:r is

n te rna t iona l

Standard

does no t cover

eng ines

sed o

g:opel

:

a )

a i r c ra f t ;

5 ) au tomob i les

nd t rucks;

c)

aEr icu l tu ra l

nd

indust ' r ia l ypes

of t racto rs ;

d l

road const ruct ion

and

ear th -moving

mach ines;

e ) m o to rcyc les .

3

R E F E R E N C E S

ISO

1204, Reciprocating

internal combustion

engines

-

Designation

of the

direction

of rotation.

ISO 1205,

Reciprocating

internal

combustion

engines

-

Designation

of the

cylinders.

fSO

3046/1,

Reciprocating

internal

combustion

engines:

Performance

-

Part |

:

Standard

reference conditions

and

declarations

of

power,

fuel

consumptian

and

lubricating oil

consumption.

t s o 3 0 4 6 / l l l ,

Performance

measurement.

Reciprocating

internal combustian

engines

:

Part

ll l

:

Common

techniques

of

1 )

f

SO

3046/lY,

Reciprocating

internal combustion

engines

:.

Performance

-

Part tV

:

Speed

governing.ll

4

CATEGORI ' ES,O.F

E S T S

(DEFIN IT IONS}

4.1

acceptance est

:

A test

car r iedout as an

overa l lcheck

on

the

m anu fac tu r ing

qua l i t y

and

to es tab l i sh

ha t t he

con t rac tua l

om m i tm en ts

havebeen

u l f l l ed .

4 .2 type

test

: A

test

car - r leC

Li

on

rep i 'esen ic i i ' . ' e

'ng 'nes

o f a

ce r ta in

m ode l t o

es tab l i sh

he

m a in

pe r fo rm ance

a ta

o f

t he

eng ine

and

to

e ; iab ie ,

es

fa r

as

poss ib le .

he i r

re l iab i l i t y

and

durab i l i t y

in

se : ' " , ice

o

be

assessed,

4-3

specia l

ests

Tests

a id i t iona l

to acceptance

r type

tests

carr ied

out to

meet the

requ i i ' ements

f

inspect ing

nd

leg is la t ive

u thor i t ies ,

C lass i f ica i ion

Secie t ies

r customers-

Specia l

tests

sha l l

be

sub ject

to agreement

between

the

manufactu rer

and

such au thor i t ies

and lo r

the customer .

5

EXTENT OF

TESTS

5.1 The

programme

of

acceptance

nd

type

tests

sha l l

be

estab l ished

y the

manufactu rer .

5 .2

l t

is

the

responsib i l i t y

o f the

manufactu rer

o

def ine

the exten t

of

measurements nd

these

sha l l be

agreed

wi th

the customer .

Tab le

1 may be taken

asa

gu ide or

se lect ing

the

eng ihe

groups

appropr ia te

to

the

test

measurements

g iven

n

tab le

2 .

TABLE

1

-

Measurement

elect ion

guide

Engine

group

number

Typical

characteristics

of

engine

grouP

1

Engines

whose

oPerat lng

con-

di t ions are

not

measured

n ser-

vice, usual ly

with

maximum

design

rotat.ional

f requencies

of

more

than

1 Bg0

min-1

2

Naturat ly

asP i ra t ed

eng ines

wi th

max imum des ign ro t a t i ona l

f

reguencies

of

aPProximatelY

1 500

min -1 and

above

3

Pressure-charged

engines

wirh

max imum

des ign

ro ta t iona l

f

reqr.rencies

of

approximatelY

1

5OO

min-1 and

above

4

Engines

w i th

max imum

des ign

ro ta t iona l

requenc ies

f

approx i -

mate ly

250 to

1 500

min-1

5

E n g i n e s

w i t h

m a x i m u m

d e s i g n

ro t a t i ona l

f requenc ies

uP

to

2 5 0

m i n - 1

1

A t

p r e s e n t

a t

t h e

s t a g e

o f d r a f

.

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{ ,

- . 1

tso

3046

u-1e77El

5 .3

Fo r ' h igh vo lum e

p roduc t ion

eng ines

o t

a l l

t es tedon

load ,an adequa te

nspec t ion

rocedu re

m ay

be

used ns tead

of

a

fu l l

acceptancees1.

5-4 Dependent on the test ca tegor iesand the exten t o f

tests ,

ive l is ts o f

recommended

measurements nd checks

(A ,

B ,

C ,

D , E)

a re

g i , ren

n

c lause

.

6

T E S T

CONDIT IONS

8 .1

t ig tSr rg

r i eng ine

. s ' i " ,

he

n :a r ru iec tu rc r i - , ; , i lu ; n ' i - l

co in l -11 'J iEechrr ica i Cccu l r - ,e ; r ta i ic , . i

o i ' , ce t

i r tq 1 i - ; J i l ,1 - l i^ , i :

t ype a 'nd

app l ica t ion ,

r ' yhen mutua l ly

agreed

by the

rnanufactu rer

nd the

customer .

6 .2 A

pe r iod

o f

runn ing - in

and

p re l im ina ry

tes t s

cons ide red dequa te

y t he

m anu fac tu re r

ha l l

p recede

he

accepta'hce est.

6 .3 Un less o therw ise

agreed

between the

manufactu rer

and the customer ,

ests sha l l be car r ied

out

on a test

bed

at

the

manufactu rer ' s

works.

6 .4

Tes tssha l l

be ca r r iedou t

on t he

eng ine

qu ipped

w i th

c iependen t

aux i l i a r ies ,

supp l ied

w i th

the

eng ine

and

necessaryor i t s

opera t ion .

6 .5

Prov ided

tha t

the

cont ractua l requ i rements

are

fu l f i l led ,

test bed

equ ipment may be used dur ing

the tests .

Any var ia t ions

n

the

per fo rmance

of

the

test

equ ipment

sha l l

be agreed be tween

the

manufactu rer

and the

customer .

6 .6 On ly

those eng ineswh ich

a re supp l ied

w i th

bu i l t - i n

t ransm iss ion

ys tem s

fo r

exam p le .

hyd rau l i c

m echan ism s ,

revers ing

coup l ings) o r e lect r ic

genera tors ,

and

which

cannot

be tested separately , need

to be tested

with

t lre

t ransmiss ion ystem

or

genera tor

oup led

to the eng ine .

6 .7

Dur ing

tests on the eng ine no

add i t iona l

ad justments,

o ther than

those

requ i red

to ma in ta in the test

cond i t ions

and those requ i red

for

normal

opera t ion as

g iven

in

the

work ing m anua l ,

m ay

be

m ade .

6 .8

The

on ly in te r rup t ions in

test ing

permi t ted

are

those

necessary

or

eng ine main tenance

as

g iven

in

the work ing

m anua l .

I n

a l l o the r

cases , f

an

in te r rup t ion shou ld

occu r

caused

by

some

defect o f

par ts

o f the

eng ine ,

he

decis ion

on l vhe the r

o

repea t

he

tes t s

pa r t ia l l y

o r

en t i re l ysha l lbe

m u tua l l y

aken

by

the

m anu iac tu re r

nd t he

cus tom er .

6 .9

The

sranda rd

e fe rence

ond i t l ons

and dec la ra t ions

f

power ,

{ue l

and

o i l consum p t ionssha l l be

as

spec i f i ed n

rso

3046/1.

1 1

1

b a r

2

6.10

Correct ion

or ad justment

o f

pov/er

ou tpu t

and

speci f ie

ue f consumpt ion

6 .10 .1

\A /he re

he

tes t

cond i t i ons

c j i f f e r s ign i f i can t l y

(see 6 .10 .3 ) f rom the s tanda rd re ie renc : c . ; r rd i t i cns , r

f rom s i te

cond i t ions,

the test

po ' " l ' e r

ou l ;

u i

rnay

be,

i f

requ i r cd ,

co r rec ted

by

ca lcu la t ion .

A l iu ;na t i t , e l v ,

he

eng ine

may

be tested

at a subst i tu te

pov" 'e r

a r^ ' j lo r

under

tes t cond i t i ons

a l t e red a r t i f i c ia l l y

io s im u ia te

the s i t e

cond i t i ons .

C . ' , A . 2

I

h i s

c c r t c c l i o n

. ' v i i i

* . e c j i

i i c

/ . - ) - ' .

1 : j

r , -

u ' : r ; ; - r j

whether the

va lues

of

por / re r

an 'J spec i f ic

fue i

c o n s u m p t i o n

a t t a i n e i

u n d e r e n g i n e ' i e s t c o n a ' i t i c n s

co r respond o t he

spec i f

ed va lues ;

the

permiss ib le

maximu; -n

po\^ /e r

under

cond i i icns

d i f fe ren t f rom the standard re fe rence cond i t ions to

p reven t

he

eng ine

ve r load ing .

6 .10 .3

Correct ion o f

power

outpu t and

speci fc

fue l

consum p t ion

is ca r r ied ou t on ly

i f

an ' y '

o f

t he

eng ine

opera t ing

cond i t ions

d i f fe rs

f rom

the s ta i rdard

re fe rence

cond i t i ons

y

m ore

han

:

t

6

K

f rom

the abso lu te

m b ien t em pe ra tu re ;

t

2 kPa l

)

f rom

the

baromet r ic

pressure ;

t

6

K

f rom

the abso lu te oo lan t

em oe ra tu re t t he

in le t o f

a

cha rge

i r coo le r .

6 .10 .4

Power

and

spec i f

c

f ue l

consum p t ion

sha l l

be

de te rm ined

s ing he

fom u lae

n

ISO 3046 /1 .

6 .10 .5

l f i n lSO3046 / l

t he re

is no

su i t ab le

c rm u la f o r

ad justment o f the

power

output and

the

speci fc

f

uel

consumpt ion , he

method o f

ad justment

sha l l

be

agreed

n

wr i t ing by

the manufactu rer

and

the

customer .

6 .10 .6 l f

a

tu rbocharged

eng ine

at

the

decla red

power

outpu t and under

the s ta ,ndard e fe rence

ond i t ionsa t ta ins

ne i ther

the tu rbocharger

o ta t iona l

requency im i ts

nor the

gas em pera tu re t t he tu rb ine in le t , he m anu fac tu re rm ay

decla re

subst i tu te

re fe rence

ambien t cond i t ions

fo r

s tandard e fe rence

ond i t ions

as spec i f ed in ISO 3046/1 .

6 .10 .7

When

ad just ing

he

si te -dec la?ed

ower

fo r

test -bed

cond i t i ons ,

resu l t s

m ay be a t t a ined whe re t he m ax im um

com bus t ion

p ressu re

n

the

eng ine

cy l inde r

exceeds

he

pe rm i t t ed

va lue .

n t h i s case , he eng ine

es t

sha l lbe

ca r r ied

out

a t such

porver

cons idered

afe

by

the

manufactu rer ,

t

wh ich

the

m ax im um

com bus t ion

p ressu re

oes no t exceed

the

pe rm i t t ed

a lue .

I

I

d

?

I

:1

'd

t

:1

l

I

I

l

I

t:

il

tf

*--j

i

'i

_ i

,i

Ii

'1

:

.i,i

:

'- 1

I

i

1 0 0

k Pa

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Frcr

.:--:

?l- '" :

: .

; t r

aa- . :

'

l '

t f l

' -

6tr

ce

^ 5

C ,

I

i : -

- ' l

l - :

C, \ f

3+

a .

a=, :

.'

: : : s

m ay

be

ce r r ied

i ? ' . ' ,

. und : r

anrb icn t

- : - : . 1 :

s r i c

C c n d i i i o n s

cu t a t

any

o the r

cond i t ; ons c rea ted

T o s i m u l a t e h e

be used

. n c i n . :

i : u r

b o c h a r g e r )

i n l e t w i t h

l ' '

3 i : h :

o u t l e t b y

a n e x t r a c t i o n

TABLE

2

-

List A

-

Tcst

r,casurements

AZ

B a r o m e t r i c

p r e s s u r e ,

r u m i d i t y

a n d

e m b i e n t

i e m p e r a t u r e

E n g i n e

r o t a t i o n a l f r e q u e n c y

o r

c y c l e

f r e q u e n c y

E n g i n e t o i c i u a

a n d / o r

F u e l

p u m p

o r

g o v e r n o r

o r

t h r o r t l e c o n r r o l

r o d s e t t i n g

F u e l c o n s u r n p t i o n

L u b r i c a t i n g o i l

p r e s s u r e

Tempera t u re and

pressure

of

e x h a u s t

g a s

e a v i n g t h e e n g i n e

Air pressure nd temperatureat

engine

or

pressure

harger

nlet

Gas temperature before

t u rbocharger

B o o s t

p r e s s u r e

i n t h e

a i r

m a n i f o l d

Turbocharger

ro t a t i ona l

f requency

c o o l a n t

m e a n t e m p e r a t u r e

in

a n d

o u t o f c y l i n d e r b l o c k

Lubr i ca t i ng

o i l t e : : i pe ra t u re a t

t h e

e n g i n e i n l e t

a n d

o u t l e t

Ai,r

pressure

drop through the

a i r

coo le r

Boos t

p ressure

af ter each ai r

coo le r

Charge

air temperature after

each a i r coo le r

Charge

coo lan t i n le t and out l e t

temperature

Max imum cy l i nder

p ressure

Gas

pressure

at

turbocharger

i n l e t

Exhaust temperature

of

each

c y l i n d e r

I nd i v idua l coo lan t c i r cu i t

t empera t u res

and

pressures

L u b r i c a t i n g o i l

p r e s s u r e

n

i n d i v i d u a l c i r c u i t s ,

e . g . t u r b o -

charger ,

p i s t on

coo l i ng ,

etc .

Lubr i ca t i ng o i l p ressure be f o re

and a f t e r

f i l ters

and coo le rs

Secondary coo lan t

an d

l u b r i c a t i n g

o i l

t e m p e r a t u r e s i n

and

ou t

o f

hea t

exchangers

Fue t

supp ly

p ressure

and

r

t empera t u re

Compression

pressure

Addit ional

i tems

may

be

included

by agreementbetween

manufacturer

and customer

8.1.4 Functional

checks

L is t C compr ises

funct iona l

checks

add i t i ona l l y

t o eng ines

n

g roups

t so

30 . i s

n -1977

El

X

X

X

X

X

X

wh ich

m ay be

m ade

t o 5

i n l i s t

A .

T h e

' -

-)

A 1

bf

.ea1ra3

:

-.

l r

I : "< -e i

: ea '

e . r : t " l i i p e r c t u r e

a t t h e e n g i n e i n l e t

i e r n p e : ' a t u r e

a i

t h e

i n l e t o f t h e

d cr i

7

: i ' . - . r -

g*3r?ed

eng ines

having

a

charge

ai r

r r t t r - : r

- l *?

: " :c :

c f

increased

tnb ien t empera ture

Cf,r

O. al, jy

;:; 'n,.: ialed

y

thrott l ing at

the

turbocharger

dc t

u ' : l '

: - ?

a r r

am pe ra tu re

f t e r

he

in te rcoo le r

s

he

F

e l t

-3 :

on

s i te .

The

t ' ro t t le

ra t io can be

Ct r -n" red

: i , :g

:he

f igure

(page

6) .

fOf t

-

. rc :s

i l l us i r6 t i ng

how

cor rec t i on

and

s imu la t i on o f

I t b f F :

' . 7

1 ? - U . 3 : j . e

o n

s i t e a r e a p p l i e d

w h e n

t e S t i n g a r e

g i v e n

f

- rq?r

,

EASUREf , {ENT

TECHNIOUES

fr f -

' : r . : :oos

tc be

used

dur ing

acceptance nd type

I I '

t g

m e isu r :ag

eng ine

pa ram e te rs ,

sym bo ls

fo r

rcacr t

uncer

'neasurement ,

un i ts ,

e tc . ,

re f

e r to

EO

S6' , i l l

.

TEST

PROCEDURES

l.t

Acc.ptance

tests

f l - f

Acceptance

tests compr ise a

speci f ied

sequence f

|F r

i : t ings

wi th measurement

and ca lcu la t ion

of

the

Fl t :e rs

g iven

in l is ts

A and B and the checks

g iven

n

h c

l . t2

. leasurements

n l is t

A

normal ly

sha l l be

made

rcorc:nq

to the

speci f

ed

eng ine

group

number

in

tab le

2

b

? tc :

cpe ra t rng

cond i t i on whe reve r

app rop r ia te and

- rc

provrsron

exis ts

on the eng ine fo r

do ing

so. The

tqrpr o f measurments n l is t A are arranged in an

c2r' ' idjng

order

of

test

measurement

complexlty

and are

fcrantd

for

guidance

when

the c ontract is drawn

up

bet r reen the

manufactu rer

and the customer . E i ther

par ty

may,

by agreement ,

.add

to o r de le te f rom

the

t t rcar { r rments

n

l is t

A,

to

su i t

the

par t icu la r

ype

of eng ine

nt 'o l red .

V/here no

prov is ion

ex is ts

on the eng ine or

a

F i r l r cu ;a r

m easu rem en t

n

the

g roup

chosen ,

h is

sha l l

be

J:a :o

by the

rnanufactu rer .

8 . t 3

A s

a

func t ion

o f

t he

ca lcu la ted

a lues

ased

on

tes t

ty :earur : rnen is

b ta ined

f rom

l is t A,

the

manufactu rer

ha l l

' rgo t . / he

:c i lc r ,v inq

a lcu la ted

a lues

L s l 3

3 l

:

b : ' a < e

p o u i e r ;

E 2

:

b r a k e

s p e c i f i c

u e l

c o n s u m p t i o n .

A3

A4

A5

A6

A7

A8

A9

A 1 0

A 1 1

A12

A 1 3

A14

A 1 5

A1 6

A17

A 1 8

A1 9

A20

A21

422

A23

A.24

425

A2 6

A27

X

X

X

X

Paramet e r

t o be measure i

t n q t n e

o r o u c

n u t n S e r

{see t ab le 1

i

l z l , z

a s

l l ' l easurement g rcups

8/10/2019 SPLN 23D-1980

5/7

t so

3046

n-1977

El

se lect ion

ronr

l is t C

sha l l

be

made

t l re

marru faCturer

nd

t l re

customer-

L is t

C

Func t iona l hecksw i l l be ca r r ied

C1

: ' t he

conec t

f unc t io r rn i t rg

dev ice ;

by agreement

be tween

out to demonst ra te

o f the

overspeed

afe ty

C2 :

the

dynam ic

and

s teady

s ta te

cha rac te r i s t i cs

of

the

govern ng system

in

accordance

wi th

r sc

3c46 l lV ;

C3:

the

ab i l i t y

o f a l l

m a l f unc t ion

p ro tec t ion

and

v, ra rn ing

devices

to

respond

correct ly

to

the

fau l t

cond i t ions

in

' ruh ic l r i .hey

s l rou ld

opera te

( fo r

exam p le ,

o r , v ub r i ca t ing

i l

p ressu re ,

igh

ub r i ca t ing

o i l

tempera tures,

igh

coo lan t

tempera tures,

ressure

r ise n the

eng ine

rankcase,

tc . ) ;

C4

:

' ihe

funct ion

o f

a l l

au tomat ic

pressure

and

tempera ture

ont rc i ls

C5

:.

he

ab i l i t y

o f the

sta r t ing

system

o

per fo rm

in

acco-rdance

ith the

contract ;

CO

vibra t ion

f requencies

and

ampl i tudes

at

prescr ibed

ota t iona l

f requencies nd

loads when

the

eng ine

is

tested

coup led

to

i ts con t ract

d r iven

m ach ne ry ;

C7

:

the

func t ion o f t he

reve rs ing

echan ism ,

u i l t - i n

reverse

educt ion

gear

and

coup l ings;

C8

: the cond i t ion of one or more p is ton and cy l inder

assembl ies

and

bear ings

chosen a t

random

by

inspect ion ;

C9

:

add i t iona l

checks

may be incfuded

by agreement .

be tween

he

manufactu rer

and

the customer-

8.2

Type tests

8 .2 .1

A type

test compr ises

a

speci f

ed sequence

of

load / ro ta t iona l

t requency combina t ions,

reversa ls

and

stops.

8 .2 .2

Type tests

wi l l

inc lude,

as

fa r

as app l icab le .

a l l

measurements,

a lcu la t ionsand

funct iona l

checks n

l is t A,

eng ine

g roup

5,

and

l i s t sB

and C and

in add i t i on

l i s t D

as

fo l lows

:

L is t

D

D1

:

a i r

consum p t ion ;

D2

:

lub r i ca t ing i l

consum p t ion ;

D3 :

eng ine

ea t

ba lance ;

D4

:

d ism an t l i ng

and

m easu r ing {

im po r tan t

pa r t s

sub iect o

wear .

8.3

Specia l

ests

Any spec ia l

tests

in

l is t E r . rh ich

f f i? ' , '

b ' : ;

r :qu i rec i

by

i r r spec t ing

s tho r i t i e s ,

l a s s i f

ca t ion

Soc ie : ies ,

; '

l e

i s la t ion

o r

by

the cus lom er ,

sha l l

be sub iec t

c

eg :e i l ;Yn t

e tween

t l re manufactu rerand such author i t eS r i ( i . i' r i i - : CUstomer .

L is t

E

(TyP ica l

xam p lcs )

E 1

:

s o u n d

e v e l ;

E2

: ex l raust

emiss ion

haracter is t ics ;

E3 : t es t s

in con junc i ion

' , v i t h

ccn i i " ac t

d r rven

m ach

ne rY;

' '

E4 :

pa ra l le t

runn ing

and

o the r

e lec - , . r i ca l

es t s

o f

eng ine -d r i ven

ene ra to rs ;

E5

:

emergency

eversa l f

mar ine eng ines;

EO : de termina t ion of min imum stab ie ro ta t iona l

f requency

of

mar ine

eng ines;

E 7

:

changeove r

n

dua l

f ue l

eng ines ;

E8

:

ab i l i t v

o

ca r ry

ou t

m a in tenance

asks

v i t h in he

t ime

sta ted

bY

the

manufactu rer ;

E9

:

ab i l i t y

to

manoeuvre

and

prov ide

a

sta ted

power

when

opera t ing

wi th

prescr ibed

mai funct ions,

for

example

ar i th ne

or

more

turbochargers

nopera t ive '

9

TEST

R

EPORT

9.1

The

manufacturer

hal l

rovide

test

eport-

9 .1 .1

Normal ly ,

for

engine

roups

9.1.2 Type test

engines.

acceptance

test

reports shall

be

provid

numbers3 ,4

and

5

on ly .

reports

shal l be

provideci or

groups

9.2

The

test

repor t

sha l

nc lude

eng ine

denr i f ica t ion

and

the

fo l low ing test

in fo rmat ion

:

a)

da te ,

p lace ,

na ture

of

test and

inspect inE

uthor i ty ;

b )

type

of

fue l

and

lubr ica t ing

o i fs

used

dur ing tests ;

c)

dependent

aux i l ia r ies,

eng ine

set i ings

and

pro-

pr ie ta ry

equ iPment ;

d )

tab le o f

va lues

measured ur ing

the

test ;

e)

in te rpre ta t ion

of

cer ta in

measurements

s

equ i red ;

f )

re fe rence

o th is

In te rna t iona l

Standard .

8/10/2019 SPLN 23D-1980

6/7

.

A N N E X

CORRECTIONND Sl rv luLAT ION F H IGHON-S ITE

l so 3046

u-1977

E)

Al\'lB E

NT

TEI\4PE ATUR=

-

=XAi\iP

ES

r

T SXA| . :P

E 1

A 4 -s : ; o ie

iu rbocha rged ng inew i th cha rge i r

n te rcoo l ing

:

J : ' ; : i op 640

k \ /

(P , . n )

nde rs i t econd i t i cns , , r , . rhe re

a . "

=

7 0

k P a

T,^

=

330

K

T.-.

=

300

K

f -

:

0 ' 85

i ' .n31

povr 'e r

shou ld

be

deve loped under

test

cond i t ions,

t r r r e f g :

9 , :

1 0 0

P a

r '

:3oo

K

T . ,

: 2 8 0

K

' .CTE

-

See SO3046/ l

or

exp lanat ion

f

thesymbols .

Fo l low ing

he

fo rm u lae

rom

iSO 3046 / l we

can

rs t

ad jus t

ihe eng ine

ower

ou tpu t deve loped nde rs i t econd i t i ons o

:ne

re fe rence ond i t i ons

ind ica ted

power

facto r

=

0,695

power

ad justment

acto r

-

0 ,695

l O , 7

0 ,305 0 ,18 )

0 , 6 5 7

$ J h e n

d e f i n i n g

f a c t c r s

k

a n C

a I h e

t : b l s : : i : d n o m c : r a i r i

f r o m I S O

3 0 4 6 / l

m a y

b e u s e d .

I n

i h e

a b o v e c a i c u i a t i c ; r , : l t r

n o m o g r a m

g i v e n

i n

a n n e x

L i n I S O

3 0 . 1 G i m a y

b g u : : c .

I n i t i a l l y t h e

e n g i n e

o u t p u t

d e v e i o o e i

u n C e r

s i t e c c n c r i i o , - r s

' , v i i l

be ac jus ted

- .o

i i r e

s tand : i ' , j

I a ' : i . ' i , ; . . '

c c ' i r i j i t - i . - ' - s- - ' :

t h e n

t h e

r e s u l t s

a t t a i n e c i

w i i l b e a d i u st c d

t o i e s t c o n d i t : o ns .

A.2 EXAM PLE 2

The

eng ine

is requ i red

to

be tested

under cond i t ions

s im u la t ing

s i t e cond i t i ons

(exam p le

) ,

f o r

exam p le

a t

a

h ighe r

am b ien t

em pe ra tu r ,

ra :

330

K .

To

simu la te

h igher ambien t tempera ture

the method

of

th ro t t l i ng

the a i r i n t ake

is

used

and

the t em pe ra tu re

f t e r

t he

coo le r

w i l l be

equa l

t o

tha t

reached unde r s i t e

cond i t i ons .

The

tem pera tu re r coo lan t

low

con t ro l a t t he

cha rge i r coo le r

n le t

rnus tbe

ad jus ted

cco rd ing ly .

Rat io

o f th ro t t l ing

(decompress ion)

or

a tempera t l l re

T 330

v21i6

rz

:

1 ,10

and

or

an

assumed

ressure

at io

T, 300

P t

: - 2 , 5 :

p *

F ,

- :

-

O,925,

rom

the

f igure .

p *

Thus

power

correction and ad.iustment

actors

become

:

/

r , . \ -

/

r , \ ' /

r . . \n

: [ - ,

t = - l l : - ,

\

P .

/ \ '

' " . /

\

/ . " , /

/

zo \o , , 300 \ r . ,

soo \ '

- t _ r r _ t t _ l

\r

ool

\r:o/ \

soo/

a

r

( 1

* )

l - )

\4 - /

_(

t ,o \o , ' soo\ ' , '

/

:oo\1

-

\ tp l \ *o / \ r * /

/ roo \

\ 7 0 l

x

o,28

:(#

: 1 , 2 8 *

o , 7

P,^

640

: - : 9 7 4

k w

d.(

0,657

be adjusted o

the test

k x

a.

x

(0,7

-

1 , 2 8

x

0 , 1 7 6 )

1 , 3 1

he

eng ine

power

outpu t

Pr

The

resu l ts

thus a t ta ined

ma;

cond i t i ons

k x

:

1

O71

& * : 1 ' , 0 7 1

+

( 0 , 7

x

0 , 0 7 1

x

0 , 1 8 )

1 , 9 9

P *

: 9 7 4

x

i , 0 8

=

1

0 5 2

k W

l f

t he re i s a

l im i t a t ion in

the

m ax im um a l lowab le

combust ion

pressure ,

ay,at

B0B

kW,

and the

manufactu rer

so

dec ides ,

he eng ine

sha l l

be

tes ted

unde r

loads up

to

808 kW.

There fore ,

when s imu la t ing s i te cond i t ions

us ing

hro t t l ing

a t t he a i r in take , he eng ine ha l lbe t es ted t a power :

P r :

& ^ P r . :

1 , 3 1

x

6 4 0

:

8 2 8

k W

l f

t he m easu redue l

consum p t ion

t

828

kW

i s

238

g /kW.h ,

t hen

the

fue l

consum p t ion

co r rec ted

o s i t e . cond i t i ons

i l l

b e :

1

3 1

:

238

L,o--

243

s/kW

h

h

,

" x

D r u : T

P 1

11

: - :

d

x

r,vhere

"

fue l

consumpt ion

aCjustment

acto r

8/10/2019 SPLN 23D-1980

7/7

046l . t -1s77

El

ambient tes t

pressure

air

pressure

fter throt t le

air

pressure

t the compressor

ut let

=

ambien t t es t t empera lu re

: . .

ambient s i te

t empera tu re

aC iabar i c

index

iona l

assumpt rons

I

compressor

work

ual

pressures

r

tne

compressor ut let

I

ch i , rge

ar r tempera tu res a { t e r i n t e rcoo le r

I

a i r consumpt ion

th rough compressor

FIGURE

-

Determ ina t ion o f depress ion G t

compressor

in le t when s imu la t ing

high on-site

air temperature

I

Pz/pn

=

I

t,25

-r---_l

I

{

t .5

i i

I ,

i t

, i

l i

\ - - :

i

\

1 . 3

, 2

, i

T, a

T,

I