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Lab Manuals for Applied Hydraulics - AH By ANNA SUPERKINGS

  • Applied Hydraulics - AH
  • Practical
  • ANNA UNIVERISTY - HITECH
  • Civil Engineering
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Text from page-2

(REGULATION 2013) AS PER ANNA UNIVERSITY SYLLABUS SYLLABUS 1 CALIBRATION OF ROTAMETER 2 FLOW THROUGH VENTURIMETER 3 FLOW THROUGH ORIFICEMETER 4 FLOW THROUGH VARIABLE DUCT AREA-BERNOULLI’S EXPERIMENT 5 FLOW THROUGH RECTANGULAR NOTCHE 6 FLOW THROUGH TRIANGULAR NOTCHE 7 DETERMINATION OF FRICTION CO EFFICIENT IN PIPES 8 CHARACTERISTIC OF CENTRIFUGAL PUMPS 9 CHARACTERISTIC OF RECIPROCATING PUMPS 10 CHARACTERISTIC OF GEAR PUMPS 11 CHARACTERISTIC OF PELTON WHEEL TURBINES 12 CHARACTERISTIC OF FRANCIS TURBINES 13 CHARACTERISTIC OF KAPLAN TURBINES

Text from page-3

B.E.CIVIL ENGINEERING TABLE OF CONTENT LIST OF EXPERIMENTS EXP. NO EXP. NAME 1 Calibration Of Rotameter 2 Flow Through Venturimeter 3 Flow Through Orificemeter 4 Flow Through Variable Duct Area-Bernoulli’s Experiment 5 Flow Through Rectangular Notche 6 Flow Through Triangular Notche 7 Determination Of Friction Co Efficient In Pipes 8 Characteristic Of Centrifugal Pumps 9 Characteristic Of Reciprocating Pumps 10 Characteristic Of Gear Pumps 11 Characteristic Of Pelton Wheel Turbines 12 Characteristic Of Francis Turbines 13 Characteristic Of Kaplan Turbines 3

Text from page-4

B.E.CIVIL ENGINEERING CALIBRATION OF ROTAMETER EXP NO : DATE : AIM: To determine the percentage error in Rotameter with the actual flow rate . APPARATUS REQUIRED: 1. Rotameter (0 – 10 LPM range) 2. Single phase monoblock pumpset (0.5 HP, 1440 RPM) 3. Reservoir tank arrangement. 4. Measuring tank arrangement. 5. Piping System „ PROCEDURE 1. Switch on the motor and the delivery valve is opened 2. Adjust the delivery valve to control the rate in the pipe 3. Set the flow rate in the Rotameter, for example say 50 liters per minute 4. Note down the time taken for 10 cm rise in collecting tank 5. Repeat the experiment for different set of Rotameter readings 6. Tabular column is drawn and readings are noted 7. Graph is drawn by plotting Rotameter reading Vs percentage error of the Rotamete] FORMULAE ACTUAL DISCHARGE Actual rate of flow Qact = Ah/t m3/sec Where, A = Area of the measuring tank in „m2 „ h = Difference in levels of water in „m‟ x (10- 2) t = Time taken for 10 cm rise of water level in collecting tank in„Seconds‟ 4

Text from page-5

B.E.CIVIL ENGINEERING CONVERSION Actual flow rate (lit / min), Qact Percentage error of Rotameter = Qact x 1000 x 60 lit /min = Rotameter reading ~ Actual/ Rotameter readihg x 100 % = (R ~ Qact )/ R x 100 = GRAPH : Rotameter reading Vs percentage error ROTAMETER APPARATUS Internal area of measuring tank = 0.3 x 0.2 m2. Rotameter reading S.NO (Theoretical discharge) LPM 1 Time taken For 50mm Rise sec Actual Discharge (m3/sec) Coefficient of discharge Cd Percentage Error of Rotameter (%) 2 3 4 5 RESULT The percentage error of the Rotameter was found to be………….….% 5

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