Lab 3 Pitot Tube

EKB 2081 – Chemical Engineering Lab - I

Bachelor of Chemical Engineering (Hons) LAB REPORT

EKB 2081 - CHEMICAL ENGINEERING ENGINEERING LAB - I

Pio !"be

EXPERIMENT TITLE

Lee #en $ian 110%1&200'

NAME OF CANDIDATE CAND IDATE WITH REG No. SESSION DATE

2%h a 201%* !h"rs+a

DATE OF SUBMISSION

2n+ ,"ne 201%* !h"rs+a

NAMES OF GROUP MEMBERS No. 1 2 ' : &

REG No. 110'1&2011 110'1&200% 110'1&2010 110'1&200& 110'1&2021

NAME ,agaish.er+ 36L 7laganahan ,eebel 3nn i9anahan Kogilan 36L K"maran K"m"hini 36P .amani Lochana 36P i9a;"maran

SIGNATURES

MARKING DETAILS

TOTAL

  Parici
20

Lab .e
:0 60

MARKS AWARDED

TABLE TABLE OF CONTENTS CONT ENTS

(r ./HI!  HE/) Page 1

(r B3 4HE H/5)

EKB 2081 – Chemical Engineering Lab - I

PAGE NO.

3bsrac

'

EC!I/ I= Inro+"cion

:–%

EC!I/ II= aerials an+ eho+s

>–?

EC!I/ III= .es"ls an+ @isc"ssions

10 – 11

EC!I/ IA= Concl"sions

12

.eferences

1'

3<
1:

Page 2

EKB 2081 – Chemical Engineering Lab - I

ABSTRACT

!his re
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EKB 2081 – Chemical Engineering Lab - I

SECTION I INTRODUCTION

In his e'2 Pio "be is a +e9ice ha "se+ o meas"re a local or
Page 4

EKB 2081 – Chemical Engineering Lab - I

Fi!"# 1 Pi$o$ S$%$i& T!'#

Pio "be has a ro"n+ sha
In he o
EKB 2081 – Chemical Engineering Lab - I

3
Gor calc"laions* he +ifference of he boh manomeer rea+ings is hen "se+ o +eermine he heoreical +ischarge b a<
here

$!  !heoreical +ischarge of orifice meer(m '6s) 31  3rea of he
3fer geing he heoreical +ischarge* he ac"al +ischarge sho"l+ be calc"lae+ * h"s he coefficien of +ischarge can be fo"n+ in +ifferen rae flo of fl"i+ !he ac"al +ischarge is calc"lae+ b he form"la belo = Q a=

V  t 

here

$a  3c"al +ischarge of
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EKB 2081 – Chemical Engineering Lab - I

Ginall* he coefficien of +ischarge of he
Q A Q T 

here

C+  Coefficien of +ischarge of
3
SECTION II MATERIALS AND METHODS

!he maerials "se+ in his e
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EKB 2081 – Chemical Engineering Lab - I

•

H+ra"lic Bench – "se+ for sorage an+ s"<
•

Pio "be – "se+ o meas"re he 9eloci of a fl"i+ mo9ing hro"gh a
•

o<ach – "se+ for meas"ring he ime a;en in secon+s for collecing a cerain 9ol"me of aer 

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EKB 2081 – Chemical Engineering Lab - I

Fi!"# 2 T(# )*o+ ,#$#" $#$ "i +i$( i$o$ $!'#

!he meho+ of con+"cing he e
1 2 ' : &

ich on he
in+icae+ in he "< !he e
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EKB 2081 – Chemical Engineering Lab - I

3fer E
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EKB 2081 – Chemical Engineering Lab - I

SECTION III RESULTS AND DISCUSSION

S* No

Ro$%,#$# " R#%i *,3

1 2 '

1: 18 22

: & %

2% 28 '0

T%'*# 1/ D%$% S(##$ )o" % Pi$o$ $!'# A&$!%* Di&(%"# M%o,#$#" R#%i +%$#"3 Co**#&$# Ti,# 7%  L#)$ Ri($ Di))#"#&# 4o*!,# 4 $%# 49$ &,3 &,3 H ,3 5 -; , 3 :10 $ ,593 #&3 000? '%8 2::&& %& 28 00'> 000? 2?' '0>1> 10' '? 00%: 000? 2'1 '8?%1 1%0 &? 0101

000? 000? 000?

20> 1>? 1>%

:':>8 &02>? &11'%

21: 2'& 2>0

>' 82 8&

T(#o"#$i&% * Di&(%"# 7$

C

:10-; ,593

2:1&> '1>>2 '??1'

01:1 :>1&8 01&' :?12: 018& &:01> 39erage C+  J0?8

101 0?> 0?8 0?2 102 0?&

!he able 1 abo9e is he res"ls ha obaine+ hro"gho" he hole e1> 10 -: m'6s o '1>>2  10-: m'6s corres 10 -: m'6s Page 11

EKB 2081 – Chemical Engineering Lab - I

!his is beca"se he 9eloci of he fl"i+ eners he %s In
3 gra
EKB 2081 – Chemical Engineering Lab - I

neglece+ +"e o some errors s"ch as
SECTION I4 CONCLUSIONS

!his e
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EKB 2081 – Chemical Engineering Lab - I

!o a9oi+ he fl"c"aion of aer* sar he so<ach hen he 9ol"meric an; is a 000?m' an+ so< i a 0018m ' G"rhermore* hen a;ing he rea+ing of he manomeer* ens"re ha o loo; a he boom line of he con9e menisc"s rea+ings o ge he acc"rae an+
REFERENCES

1 cCabe an+ mih* 7ni /
' Li<a;* B5 (200') Insr"men engineers han+boo;* fo"rh e+iion* 9ol"me /ne= Process 39ailable a= h
EKB 2081 – Chemical Engineering Lab - I

H2r0If3hAGP8KH2K@fo$%3EIK3B

: Borrell* B (201%) #ha is a
APPENDIX I SAMPLE CALCULATIONS READING NO. <5<<3

1 3rea of he Pi
=

1

π  2  D 1 4

¿

π  4

m2

0.019

2

 J28&10 -: m2 2 3c"al @ischarge= .oameer .ea+ing  J22 l
Qa

 J'8?%1  10 -: m'6s

' !heoreical +ischarge= @ifference in heigh of manomeric fl"i+* H  JJ101J mm  J0101 m !heoreical +ischarge

Q t = A 1 √ 2 gH 

m'6 s ¿ 2.8353 × 10− √ 2 (9.81)( 0.101)  '??1' × 10− m'6 s 4

4

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EKB 2081 – Chemical Engineering Lab - I

#here g  acceleraion +"e o gra9i H  Hea+ o9er he orifice in Qm 31  area of he
Qa   Actual discharge = Theoretical discharge Qt 



3.8961  x 10 −4

 0?8

Page 16

−4

3.9913 × 10