Ce6461 Fm Lab Manual

7/25/2019 Ce6461 Fm Lab Manual

1/33

KAMARAJ COLLEGE OFENGINEERING AND

TECHNOLOGY(Accredited By NBA, AICTE, New Delhi)

S.P.G.Chidambara Nadar C.Nagammal Campus,

S.P.G.C.Nagar, Virudhunagar 626 001.

DEPAR!EN "# !EC$AR"N%CS

&A'"RA"R( !AN)A&

CE 6461 FLUID MECHANICS AND MACHINERY LAB

1


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INDEX

Ex.

No.

Title of the ExperimentPage

No.

1 Orifice meter 4

2 Venturimeter 7

3 Rotameter 10

4 riction actor 13

! "entrifugal Pump 1#

# Reciprocating Pump 1$

7 %ear Pump 22

& Pelton 'heel 2!

$ ranci( Tur)ine 2&

10 *aplan Tur)ine 31

SUBJECT CODE: CE 6461

2


3/33

SUBJECT NAME:FLUID MECHANICS AND MACHINERY LAB

SYLLABUS

1. +etermination of the coefficient of ,i(charge of gi-en

Orifice meter.

2. +etermination of the coefficient of ,i(charge of gi-en

Venturimeter.

3. "alculation of the rate of flo u(ing Rotometer.

4. +etermination of friction factor for a gi-en (et of pipe(.

!. To ,etermine the characteri(tic( cur-e( of"entrifugal pump / (u)mergi)le pump.

#. To ,etermine the characteri(tic( cur-e( of Reciprocating

pump.

7. To ,etermine the the characteri(tic( cur-e( of %ear pump.

&. To ,etermine the the characteri(tic( cur-e( of Pelton

heel.

$. To ,etermine the the characteri(tic( cur-e( of ranci(

tur)ine.

10. To ,etermine the the characteri(tic( cur-e( of *aplan

tur)ine.

*


4/33

EX. NO : 1

TO DETERMINE THE CO EFFICIENT OF DISCHARGE USING ORIFICE

METER

AIM: To ,etermine the co efficient of ,i(charge u(ing Orifice meter apparatu(.

APPARATUS REQUIRED:

1. "lo(e, circuit orifice meter.

2. top atch.

MAIN PARTS:

1. ump tan.

2. ea(uring tan

3. Pump (et.

4. Pipe line(.

DESCRIPTION OF THE MAIN PARTS

P TN* :

The (uita)le capacit5 (ump tan ma,e )5 mil, (teel to (tore (ufficient ater

circulate( in,epen,entl5 through the unit. 6n(i,e of the tan i( line, )5 RP. 6t i(

ha-ing a ,rain arrangement to ,rain the ater hene-er the unit i( i,le. The (ump

tan i( place, on an iron (tan,.

ER6N% TN*

The (uita)le capacit5 mea(uring tan i( ma,e of mil, (teel ith RP lining

an, ,rain -al-e8 pie9ometer8 gla(( tu)e8 (cale arrangement.

PP ET

: ;P8 (ingle pha(e mono )loc pump (et of (i9e 1< =1< (uita)le to pump

the ater throughout the unit for in,epen,ent circulation.

+


5/33

P6PE >6NE

To %.6. pipe line( of (i9e 2!mm an, 20mm ith fitting( an, control

-al-e( an, pre((ure tapping8 PV" ho(e( to connect manometer.

NOETER 1m ,ifferential u?tu)e manometer ith mercur5 pro-i,e, to mea(ure the

,ifferential hea, from orifice meter. common unit ha-ing (eparate -al-e( for

taing rea,ing either )5 2!mm or 20mm pipe line.

SPECIFICATION FOR ORIFICE METER

Pipe +iameter @ 2! mm Pipe +iameter @ 20 mm

Orifice ,ia ,1 @ 17.20 mm Orifice ,ia ,1 @ 13.&0 mmTABULATION

Sl.

No

Manomete

ea!"n#$ %mm& o'

H#

T(eoet")al

!"$)(a#e m*+ $e)

Qt

T"me ta,en

'o 1- )m

a"$e o'

ate $e)

A)t/al

!"$)(a#e

m*+ $

Qa

C!0Qa+Qt

(1 (


6/33

OR>

1. Theoretical ,i(charge @ At@ Ba1 ? a2C D2gh in m3/(ec DBa1 ? a2C

'here h @ Bh1?h2C=10.3 in mm 7#02. ctual ,i(charge Aa @ ; / T mF/(

'here @ rea of mea(uring tan.

;@ Rai(e of ater le-el B10cmC

T @ Time taen for G;< rai(e of ater.

3. "o? efficient of ,i(charge ",@ Aa/ At.

PRO"E+RE

1. Hefore (tarting the experiment chec the initial in(pection( )efore ,oing the

experiment(.

2. itch on the poer (uppl5 an, gra,uall5 open the gate -al-e of the orifice

meter pipe line an, manometer coc(. ill the ater in the manometer gla(( to

remo-e the air.

3. Note ,on the manometer rea,ing( h1 Ih2. Tae the ,ifferential -alue hile

ta)ulating.4. "lo(e the ,rain -al-e of the mea(uring tan .Tae the time taen for 10 cm

rai(e of ater in the pie9ometer )5 mean( of (top cloc.

!. ,Ju(t the 2!mm gate -al-e for next rea,ing( .Repeat the (ame proce,ure for

20mm -al-e too.

#. H5 u(ing manometer rea,ing e fin, out the theoretical ,i(charge an, )5

mea(uring tan fin, out the actual ,i(charge.

7. +ra the graph )eteen Aact V( -h 8 an, fin, the coefficient of ,i(charge from thegraph.

RE>T

6


7/33

EX. NO:

TO DETERMINE THE CO EFFICIENT OF DISCHARGE USING 2ENTURI

METER

AIM: To ,etermine the co efficient of ,i(charge u(ing Venturimeter apparatu(.

APPARATUS REQUIRED:

1. "lo(e, circuit Venturi meter.

2. top atch.

MAIN PARTS:

1. ump tan.

2. ea(uring tan3. Pump (et.

4. Pipe line(.


P TN* :


circulate( in,epen,entl5 through the unit. 6n(i,e of the tan i( line, )5 RP. 6t i(ha-ing a ,rain arrangement to ,rain the ater hene-er the unit i( in i,le. The

(ump tan i( place, on an iron (tan,.

ER6N% TN*

The (uita)le capacit5 mea(uring tan ma,e of mil, (teel ith RP lining


PP ET



P6PE >6NE


8/33


-al-e( an, pre((ure tapping(8 PV" ho(e( to connect manometer.

NOETER

1m ,ifferential u?tu)e manometer ith mercur5 pro-i,e, to mea(ure the,ifferential hea, from Venturi meter. common unit ha-ing (eparate -al-e( for


SPECIFICATION FOR 2ENTURI METER

Venturi meter (i9e 2!mm

Throat (i9e 14.7$mm

TABULATION

Sl.

No

Manomete

ea!"n#$ %mm& o'

H#T(eoet")al

!"$)(a#e m*+ $e)

Qt

T"me ta,en

'o 1- )m

a"$e o'

ate $e)

A)t/al

!"$)(a#e

m*+ $e)

Qa

C!0Qa+Qt

(1 (

OR>

1. Theoretical ,i(charge @ At@ a1?a2D2gh in m3/(ec

/


9/33

Da1 ? a2'here h @ Bh1?h2C =10.3 in mm 7#0

2. ctual ,i(charge Aa@ ; / T mF/(

'here @ rea of mea(uring tan. ;@ Rai(e of ater le-el B10cmC


3. "o? efficient of ,i(charge ",@ Aa/ At.

PRO"E+RE

1. Hefore (tarting the experiment chec the initial in(pection( )efore ,oing the

experiment(.

2. itch on the poer (uppl5 an, gra,uall5 open the gate -al-e of the Venturimeter pipe line an, manometer coc(. ill the ater in the manometer gla(( to

remo-e the air.

3. Note ,on the manometer rea,ing( h1 Ih2. Tae the ,ifferential -alue hile

ta)ulating.

4. "lo(e the ,rain -al-e of the mea(uring tan .Tae the time taen for 10 cm

rai(e of ater in the pie9o meter )5 mean( of (top cloc.

!. ,Ju(t the 2!mm gate -al-e for next rea,ing( .Repeat the (ame proce,ure for20mm -al-e too.

#. H5 u(ing manometer rea,ing e fin, out the theoretical ,i(charge an, )5

mea(uring tan fin, out the actual ,i(charge.

7. +ra the graph )eteen Aact V( -h 8 an, fin, the coefficient of ,i(charge from the

graph.

RE>T

EX. NO: *


10/33

TO DETERMINE THE CO EFFICIENT OF DISCHARGE USING ROTAMETER

APPARATUS

AIM:

To ,etermine the co efficient of ,i(charge u(ing Rotameter apparatu(.

APPARATUS REQUIRED:

1. "lo(e, circuit orifice meter.

2. top atch.

MAIN PARTS:

1. ump tan.

2. ea(uring tan

3. Pump (et.

4 Pipe line(.DESCRIPTION OF THE MAIN PARTS

P TN* :


circulate( in,epen,entl5 through the unit. 6n(i,e of the tan i( line, )5 RP. 6t i(

ha-ing a ,rain arrangement to ,rain the ater hene-er the unit i( in i,le. The


ER6N% TN*

The (uita)le capacit5 mea(uring tan ma,e of mil, (teel ith RP lining


PP ET



P6PE >6NE

10


11/33



NOETER 1m ,ifferential u?tu)e manometer ith mercur5 pro-i,e, to mea(ure the

,ifferential hea, from orifice meter. common unit ha-ing (eparate -al-e( for


SPECIFICATION FOR ROTA METER

Rotameter (i9e 2!mm

Range !000>P;.

TABULATION

Sl.

No

T(eoet")al !"$)(a#e

m*+ $e) Qt(

T"me ta,en 'o 1-

)m a"$e o' ate "n

t(e )olle)t"n# tan,3t

$e)

A)t/al !"$)(a#e

Qa) m*+ $

Co4e''")"ent o'

!"$)(a#e3 C!

l5m m6+ $e)

OR>

11


12/33

1. Theoretical Bin,icate,C ,i(charge of the rotameter @ K L lpm.2. Theoretical ,i(charge Ath @ K / #08000 mF /(ec

3. ctual ,i(charge 8 Aac @ h / t mF/(

4. "o? efficient of ,i(charge ",@ Aact/ At.

!. M of error @ BAt.?AactC/Aact 100

PRO"E+RE

1. itch on the motor an, the ,eli-er5 -al-e i( opene,

2. ,Ju(t the ,eli-er5 -al-e to control the rate in the pipe

3. et the flo rate in the Rotometer8 for example (a5 !0 litre( per minute

4. Note ,on the time taen for 10 cm ri(e in collecting tan

!. Repeat the experiment for ,ifferent (et of Rotometer rea,ing(#. Ta)ular column i( ,ran an, rea,ing( are note,

7. %raph i( ,ran )5 plotting AtheV( percentage error of the Rotometer

RE>T

12


13/33

EX NO: 7

TO DETERMINE THE FRICTION FACTOR FOR THE GI2EN SET OF PIPES

AIM:

To ,etermine the friction factor for the gi-en (et of pipe(.

APPARATUS REQUIRED:

1. "lo(e, circuit orifice meter.2. top atch.

MAIN PARTS:

1. ump tan.2. ea(uring tan3. Pump (et.4. Pipe line(.!. anometer.


P TN* : The (uita)le capacit5 (ump tan ma,e )5 mil, (teel to (tore (ufficient

ater circulate( in,epen,entl5 through the unit. 6n(i,e of the tan i( line, )5 RP.

6t i( ha-ing a ,rain arrangement to ,rain the ater hene-er the unit i( in i,le. The(ump tan i( place, on an iron (tan,.

ER6N% TN*The (uita)le capacit5 mea(uring tan ma,e )5 mil, (teel to mea(ure the

Kualit5 of ater pump )5 the (u)mer(i)le pump at -ariou( ,eli-er5 hea,(. 6tha-ing the arrangement to pro-i,e the gauge gla(( an, (cale arrangement. 6t al(oha( a arrangement to ,rain the ater to the (ump tan. The hole arrangement i(place, on the (ump tan.PP ET

: ;P8 (ingle pha(e mono )loc pump (et of (i9e 1< =1< (uita)le to pumpthe ater throughout the unit for in,epen,ent circulation.

P6PE >6NE To %.6. pipe line( of (i9e 2!mm an, 20mm ith fitting( an, control


1*


14/33

NOETER 1/2m ,ifferential manometer ith mercur5 pro-i,e, to mea(ure the

,ifferential hea,.

TABULATION

Sl.

No

D"''eent"al

Manomete ea!"n#$

%mm& o' H#Lo$$ o'

(ea! H

T"me

ta,en 'o

1- )m

a"$e o'

ate $e)

D"$)(a#e

o' ate

Q

2elo)"t8

o' ate

9;

2elo)"t8

(ea! ('Da)8 %$

)on$tant(1 ( X0

1. ;f @ fl-/ 2g,.

'here hf @ anometer ,ifference in BmC of ater. @ riction factor

> @ length of the pipe. B+i(tance( )eteen topre((ure(

tapping in mC V@ Velocit5 of flo Bm/(C

%@ cceleration ,ue to gra-it5 B$.&1 m/ (C +@ +iameter of the pipe BmC

anometer hea, h @ h1?h2 m Bmm of ;g.Canometer hea, in m of ater h=10.3

7#0

2. ctual ,i(charge A @ h / T mF/(

1+


15/33

'here @ rea of mea(uring tan. ; @ Rai(e of ater le-el B10cmC


3. rea of the pipe BaC @ Q, m

4'here ,@ ,iameter of pipe in GmT

EX. NO: >

1


16/33

TO DETERMINE THE CHARACTERISTICS CUR2ES OF CENTRIFUGAL

PUMP

AIM:

To ,etermine the characteri(tic( cur-e( of centrifugal pump.

APPARATUS REQUIRED:

1. "lo(e, circuit centrifugal pump.

2. top atch.

MAIN PARTS:

1. ump tan.

2. ea(uring tan

3. "entrifugal pump.

4. Electric motor.

!. Panel )oar,.

#. Pipe fitting.


P TN*:

The (uita)le capacit5 (ump tan ma,e )5 mil, (teel to (tore (ufficient atercirculate( in,epen,entl5 through the unit. 6n(i,e of the tan i( line, )5 RP. 6t i(

ha-ing a ,rain arrangement to ,rain the ater hene-er the unit i( in i,le. The


ER6N% TN*

The (uita)le capacit5 mea(uring tan ma,e of mil, (teel to mea(ure at the

-ariou( ,eli-er5 hea,(. 6t ha-ing the arrangement to pro-i,e the gauge gla(( an,

(cale arrangement. The mea(uring tan place, on a (tan,.

"ENTR6%> PP

pump of (i9e 2! = 2! mm to ,i(charge a)out #0 >P at !m hea,8

pipeline ith gun metal foot -al-e Igate -al-e.16


17/33

P6PE 6TT6N%

1< ,eli-er5 pipe fitting(8 pre((ure gauge ith coc( an, a control -al-e. 1NO

Pre((ure gaugerea,ing g/ cm

Vaccumgauge rea,ingmm of ;g

Totalhea, m

Time for 10cm rai(e ofoil (ec

+i(chargemF/(ec

Timetaen for! flicingof light(ec.

6nputpoer

Out putpoer

EM

1


18/33

OR>

1. Total hea, ;@ BPre((ure gauge rea,ing x 10C SB-accum gauge

rea,ing x 10.3/7#0C S +atum hea, BmC

2. +i(charge A @ h / T mF/('here @ rea of mea(uring tan.

; @ Rai(e of ater le-el B10cmC


3. Output poer @ A; * here B @ $.&1C

4. 6nput poer @ L /t = 3#00/ E" =0.& *

'here L @ Num)er of illuminate, of light.

T @ Time taen for GL< illumination. E" @ Energ5 meter con(tant 3200lmp/ hr.

0.& @ Efficienc5 of motor B&0 MC

!. Efficienc5 of the pump @ output poer / input poer =100

PRO"E+RE

1. Hefore (tarting the pump chec all the Joint( are tight an, lea proof.

2. fter all initial (tep( here taen (tart the pump an, open the gauge coc(.

3. "lo(e the ,eli-er5 -al-e an, tae the rea,ing( on the pre((ure gauge.

4. No clo(e the ,eli-er5 -al-e of the mea(uring tan 8 the ater le-el increa(e(

in the gauge gla((. No (tart the (top cloc an, note ,on the time taen for

10 cm rai(e of the ater le-el.

!. Time taen for ! flicering of light on the energ5 meter al(o note, )5 the (top

cloc.

#. The hole proce,ure i( repeate, for ,ifferent ,eli-er5 hea,(.7. plot the graph( on the (ame axi(

BiC ;mof ;2o V( A

BiiC ; V( A BiiiC 6nput poer V( A

RE>T

1/


19/33

EX NO: ?

TO DETERMINE THE CHARACTERISTICS CUR2ES OF RECIPROCATING

PUMP

AIM: To ,etermine the characteri(tic( cur-e( of Reciprocating pump.

APPARATUS REQUIRED:

1. "lo(e, circuit reciprocating pump2. top atch.

MAIN PARTS:

1. ump tan.2. ea(uring tan3. "entrifugal pump.4. Electric motor.!. Panel )oar,.#. Pipe fitting.


P TN* :

The (uita)le capacit5 (ump tan ma,e )5 mil, (teel to (tore (ufficient atercirculate( in,epen,entl5 through the unit. 6n(i,e of the tan i( line, )5 RP. 6t i(ha-ing a ,rain arrangement to ,rain the ater hene-er the unit i( in i,le. The(ump tan i( place, on an iron (tan,.

ER6N% TN*The (uita)le capacit5 mea(uring tan ma,e of mil, (teel to mea(ure at the

-ariou( ,eli-er5 hea,(. 6t ha-ing the arrangement to pro-i,e the gauge gla(( an,(cale arrangement. The mea(uring tan place, on a (tan,.

RE"6PRO"T6N% PP pump of (i9e 2! = 20 mm to ,i(charge a)out 20 >P at 40m hea,8

pipeline ith gun metal foot -al-e Igate -al-e.

P6PE 6TT6N%

1


20/33

3/4< ,eli-er5 pipe fitting(8 pre((ure gauge ith coc( an, a control -al-e.1< (uction pipe con(i(t of (uction pipe an, fitting(8 -accum gauge ith coc( an,PV" (trainer foot -al-e. ll fitting( connecte, ith the reciprocating pump.

PNE> HOR+ RRN%EENT

6t con(i(t of a (ingle pha(e ,ou)le pole on /off (itch to (tart the motor. nenerg5 meter pro-i,e, to mea(ure the input poer to the motor )5 num)er ofthicening of light hich i( pro-i,e, ith the energ5 meter.

PE"66"T6ON

ENER% ETER "ONTNT @ 3200 lpm/ .hr.

TABULATION

SL

NO

Pe$$/e

#a/#e ea!"n#

,#+ )m@

2a)//m

#a/#e

ea!"n# %mm&

o' H#

Total

(ea!

%m&

T"me 'o 1-

)m a"$e o'

ate $e)

D"$)(a#e

m6+$e)

T"me

ta,en

'o >

'l"),"n#

o' l"#(t

$e).

In5/t

5oe

O/t 5/t

5oe

E''")"en)8

1. Total hea, ;@ BPre((ure gauge rea,ing=10C S B-acuum gauge

rea,ing= 10. 3/7#0C S +atum hea, BmC

2. +i(charge A @ h / T mF/(

'here @ rea of mea(uring tan. ; @ Rai(e of ater le-el B10cmC

T @ Time taen for G;< rai(e of ater.3. Output poer @ A; * here B@ $.&1C

20


21/33

4. 6nput poer @ L /t = 3#00/ E" =0.& * 'here L @ Num)er of illuminate, of light. T @ Time taen for GL< illumination.

E" @ Energ5 meter con(tant 3200lmp/ hr.0.& @ Efficienc5 of motor B&0 MC

!. Efficienc5 of the pump @ output poer / input poer =100

PRO"E+RE

1. Hefore (tarting the pump chec all the Joint( are tight an, lea proof.

2. fter all initial (tep( here taen (tart the pump an, open the gauge coc(.

3. "lo(e the ,eli-er5 -al-e an, tae the rea,ing( on the pre((ure gauge.

4. No clo(e the ,eli-er5 -al-e of the mea(uring tan 8 the ater le-el increa(e( in the

gauge gla((. No (tart the (top cloc an, note ,on the time taen for 10 cm rai(e

of the ater le-el.

!. Time taen for ! flicering of light on the energ5 meter al(o note, )5 the (top cloc.

#. The hole proce,ure i( repeate, for ,ifferent ,eli-er5 hea,(.

7. Plot the graph on (ame axi( BiC ;mV( A BiiC oV( A BiiiC 6nput poer V( A

RE>T

21


22/33

EX NO:

TO DETERMINE THE PERFORMANCES CHARATERISTICS CUR2ES OF

GEAR PUMP

AIM:

To ,etermine the performance( characteri(tic( cur-e( of gear pump.

APPARATUS REQUIRED:

1. "lo(e, circuit gear oil pump te(t rig.

2. top atch.

MAIN PARTS:

1. ump tan.2. ea(uring tan3. %ear pump.4. Electric motor.!. Panel )oar,.#. Pipe fitting.


P TN* :

The (uita)le capacit5 (ump tan ma,e )5 mil, (teel to (tore (ufficient atercirculate( in,epen,entl5 through the unit. 6n(i,e of the tan i( line, )5 RP. 6t i(ha-ing a ,rain arrangement to ,rain the ater hene-er the unit i( in i,le. The(ump tan i( place, on an iron (tan,.

ER6N% TN* The (uita)le capacit5 mea(uring tan ma,e of mil, (teel to mea(ure at the -ariou(,eli-er5 hea,(. 6t ha-ing the arrangement to pro-i,e the gauge gla(( an, (calearrangement. The mea(uring tan place, on a (tan,.

%ER PP%ear pump i( a ,e-ice( to compre(( the oil for a particular pre((ure

B,eli-er5 hea,C an, ,i(charge particular Kuantit5 of oil. 6t i( a po(iti-e,i(placement of pump (o e increa(e the ,eli-er5 hea, it continuou(l5 (uppl5 theoil. Thi( gear pump i( ,e(igne, for100m hea, an, !0 lpm ,i(charge. 6t i( ,irectl5couple, to motor )5 a lo-e Jo5 coupling. The pump run( at 1440 rpm.

22


23/33

OTOR n in,uction motor of 1 ;P capacit5 8 1440 rpm (ingle pha(e i( couple, to

gear pump. The pump an, motor place, on a (tur,5 iron (tan,.

P6PE 6TT6N%1< ,eli-er5 pipe fitting(8 pre((ure gauge ith coc( an, a control -al-e. 1. PERCENTAGE EFFICIENC:

Efficienc5 @ H.;.P x 100 / 6.;.P B MC

2/


29/33

DESCRIPTION:

o,ern ranci( tur)ine in an inar, mixe, flo reaction tur)ine it i( a me,ium

hea, tur)ine. ;ence it reKuire, me,ium Kuantit5 of ater. The ater un,er pre((ure from

the pen(toc enter( the (Kuirrel ca(ing. The ca(ing completel5 (urroun,( the (erie( of

fixe, -ane(. The gui,e( -ane( ,irect the ater on to the runner. The ater enter( therunner of the tur)ine in the ,ial ,irection at outlet an, lea-e( in the axial ,irection at the

inlet of the runner. Thu( it i( a mixe, flo tur)ine.

PROCEDURE:

1.The ranci( tur)ine i( (tarte,

2. ll the eight( in the hanger are remo-e,

3.The pre((ure gauge rea,ing i( note, ,on an, thi( i( to )e maintaine, con(tant

for ,ifferent loa,( 4. Pre((ure gauge rea,ing i( note, ,on

!. The -enturimeter rea,ing an, (pee, of tur)ine are note, ,on

#.The experiment i( repeate, for ,ifferent loa,( an, the rea,ing are ta)ulate,.

TABULATION

S.

No

Del"e8 (ea! H#(0


30/33

The folloing graph( are ,ran

BiCH;P B-(.C 6;P

BiiCH;P B-(.C (pee,

BiiiCH;P B-(.C M efficienc5

RESULT :

E No: 1-

TO DETERMINE THE PERFORMANCES CHARATERISTICS CUR2ES OF

APLAN TURBINE

AIM:

*0


31/33

To (tu,5 the characteri(tic( of a *aplan tur)ineDESCRIPTION:

*aplan tur)ine i( an axial flo reaction tur)ine u(e, in ,am( an, re(er-oir( of

lo height to con-ert h5,raulic energ5 into mechanical an, electrical energ5. The5 are

)e(t (uite, for lo hea,( (a5 from 10m to ! m. the (pecific (pee, range( from 200 to1000

The tur)ine te(t rig con(i(t( of a 3.72 *' B! ;pC tur)ine (upplie, ith ater

from a (uita)le 20 ;p mixe, flo pump through pipeline(8 (luice -al-e8 an, a flo

mea(uring orifice meter. The tur)ine con(i(t( of a ca(t?iron )o,5 ith a -olute ca(ing8

an, axial flo gunmetal runner ith a,Ju(ta)le pitch -ane(8 a ring of a,Ju(ta)le gui,e

-ane( an, ,raft tu)e. The runner con(i(t( of four num)er( of a,Ju(ta)le -ane( of aerofoil

(ection. The(e -ane( can )e a,Ju(te, )5 mean( of a regulator8 hich change( the inlet an,outlet angle( of the runner -ane( to (uit the operating con,ition(. The maring at the

outer en, of the (haft in,icate( the amount of opening the -ane(. The gui,e -an can )e

rotate, a)out their axi( )5 mean( of han, heel an, the po(ition in,icate, )5 a pair of

,umm5 gui,e -ane( fixe, out(i,e the tur)ine ca(ing. rope )rae ,rum i( mounte, on

the tur)ine (haft to a)(or) the poer ,e-elope,. uita)le ,ea, eight( an, a hanger

arrangement8 a (pring )alance an, cooling ater arrangement i( pro-i,e, for the )rae

,rum.

'ater un,er pre((ure from pump enter( through the -olute ca(ing an, the gui,ing

-ane( into the runner hile pa((ing through the (piral ca(ing an, gui,e -ane( a partof

the pre((ure energ5Bpotential energ5C i( con-erte, into -elocit5 energ5Binetic energ5C.

'ater thu( enter( the runner at a high -elocit5 an, a( it pa((e( through the runner -ane(8

the remaining potential energ5 i( con-erte, into inetic energ5 ,ue to cur-ature of the

-ane( the inetic energ5 i( tran(forme, in to mechanical energ58 i.e.8 the ater hea, i(

con-erte, into mechanical energ5 an, hence the num)er rotate(. The ater from the

runner i( then ,i(charge, into the tailrace. Operating gui,e -ane al(o can regulate the

,i(charge through the runner.

The flo through the pipeline( into the tur)ine i( mea(ure, ith the office meter

fitte, in the pipeline. mercur5 manometer i( u(e, to mea(ure the pre((ure ,ifference

acro(( the orifice meter. The net pre((ure ,ifference acro(( the tur)ine output torKue i(

*1


32/33

mea(ure, ith a pre((ure gauge an, -acuum gauge. The tur)ine output torKue i(

,etermine, ith the rope )rae ,rum. tachometer i( u(e, to mea(ure the rpm.

EXPERIMENTAL PROCEDURE:

1.*eep the runner -ane at reKuire opening

2.*eep the gui,e -ane( at reKuire, opening

3.Prime the pump if nece((ar5

4."lo(e the main (luice -al-e an, them (tart the pump.

!.Open the (luice -al-e for the reKuire, ,i(charge hen the pump motor (itche( from

(tar to ,elta mo,e.

#.>oa, the tur)ine )5 a,,ing eight( in the eight hanger. Open the )rae ,rum cooling

ater gate -al-e for cooling the )rae ,rum.7. ea(ure the tur)ine rpm ith tachometer

&. Note the pre((ure gauge an, -acuum gauge rea,ing(

$. Note the orifice meter pre((ure rea,ing(.

TH>T6ON

.No

onometer Rea,ingpee,RP

pring )alance+i(charge

ATorKueNm

6nputPoerB*'C

OutputPoerB*'C

Efficienc5

h1cm of ;g

h2cm

of ;g

>oa,'eight

B1C*g

pring'eight

B2C *g

ormula u(e,

L@ h1?h2;@ x XBm/C?1Y meterA@ X",a1a2-2ghY / X-a12?a22Y m3/ec6nput poer @ Z g A ;/1000 *'Output poer @ X2[NTY/X#0x1000Y *'Efficienc5 @ 6nput /output x100

*2


33/33

Ga5(:

1C pee, V( Efficienc52C pee, V( Output

3C +i(charge V( Output

Re$/lt:

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Ce6461 Fm Lab Manual