hydraulic jump lab- results.docx

7/24/2019 Hydraulic jump lab- results.docx

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RESULTS

Height of channel = 4.28"

Width of channel = 4.125"

Volume of water in tank = 300 litre

!onerion from inche to metre ued = 0.254

#cceleration due to grait$ = %.81m2&

'rial Volume of water (m3) 'ime () * (m3&) +(m2&)

1 0.3 32.41 0.00%3 0.0883

2 0.3 34.,, 0.008- 0.0823

3 0.3 3,.8, 0.00,% 0.0,5-

4 0.3 43.1, 0.00-% 0.0--3

Table 1: Table showing the results obtained for Q and q from the four level of the jump tried


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'rial ength of

/um (m)

eth (m) #rea

(m2)

ecific

dicharge

+ (m2

&)

ecific

nerg$

(m)

'heoretica

l nerg$

o (m)

mirica

l nerg$

o (m)

omentu

m

Velocit$

(m&)

6roude

7umer

ocation eth

(m)

1 0.%5 9tream eth 0.04%0 0.0051 0.088 0.215 0.040 0.042 0.01,44 1.802 2.5%%

!ritical eth 0.0%2, 0.00%, 0.13% 0.01288 0.%53 1.000

owntream

deth0.15-2 0.01-4 0.1,3 0.01,30 0.5-- 0.45,

2 0.%8 9tream deth 0.04,2 0.004% 0.082 0.202 0.033 0.041 0.015,5 1.,43 2.5-1

!ritical deth 0.0884 0.00%3 0.133 0.011,3 0.%31 1.000

owntream

deth0.1440 0.0151 0.1-1 0.0151, 0.5,2 0.481

3 1.03 9tream deth 0.04-0 0.0048 0.0,- 0.184 0.024 0.038 0.013,4 1.-45 2.44%

!ritical deth 0.0835 0.0088 0.125 0.0104, 0.%05 1.000

owntream

deth

0.1288 0.0135 0.14- 0.01282 0.58, 0.522

4 0.84 9tream deth 0.0455 0.0048 0.0-- 0.154 0.014 0.025 0.010%0 1.45% 2.185

!ritical deth 0.0,-- 0.0080 0.115 0.008,% 0.8-- 1.000own tream

deth

0.110, 0.011- 0.12% 0.01018 0.5%% 0.5,5

Table !: Table of results showing the "omputed values of #roude$s %umber& 'omentum& Spe"ifi" energ( and Energ( Loss for the four trials of the

h(drauli" jump


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0.10 0.12 0.14 0.16 0.18 0.20 0.22 0.24

0.00

0.02

0.04

0.06

0.08

0.10

0.12

0.14

0.16

0.18

Specifc Energy Curves

Specifc Energy Trial 1 Specifc Energy Trial 2

Specifc Energy Trial 3 Specifc Energy Trial 4

Specifc Energy, E/m

Depth, y/m

#igure 1: )raph showing the Spe"ifi" energ( "urves obtained for the four trial test


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0.008 0.009 0.010 0.011 0.012 0.013 0.014 0.015 0.016 0.017 0.018

0.00

0.02

0.04

0.06

0.08

0.10

0.12

0.14

0.16

0.18

*#+',-. /iagram

Momentum Trial 2 Momentum Trial 3 Momentum Trial 1 Momentum Trial 4

'omentum #un"tion& '0m!

Upstream /epth& (10m

#igure !: )raph showing the for"e-moment "urves against upstream depth for the four trial levels tested


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2.102.202.302.402.502.602.70

0.00

0.01

0.01

0.02

0.02

0.03

0.03

0.04

0.04

0.05

ctual Energy !o"" #" $p"tream

%rou&e 'um(er

Upstream Froude Number

Energy loss / metre

#igure 2: )raphing showing the energ( loss upstream of the h(drauli" jump


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2.1 2.2 2.3 2.4 2.5 2.6 2.7

0.55

0.65

0.75

0.85

0.95

1.05

1.15

)raph representing the Length of the 3(drdauli" 4ump& Lf0m vs Upstream #roude %umber& #r

Upstream #roude %umber& #r

Length of 3(drauli" 4ump& Lf0m

#igure 5: )raph showing the length of jump vs the #roude$s number


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hydraulic jump lab- results.docx

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