cooling characteristics. The commercial code FLUENT with Reynolds stress model is used in the prediction. It is found that the tilted stagnation line on the rotor leading edge moves from the pressure side to the suction side‚ and the instantaneous coolant streamlines shift from the suction side to the pressure side with the increasing rotating speed. For the fixed inlet/outlet pressure ratio of turbine stage‚ the high rpm reduces the heat transfer coefficient on the rotor due to the low rotor relative
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head Hst = the vertical distance between the water surface level of the suction and discharge tanks. •Static discharge head Hsd = the vertical distance from the pump centerline up to The water surface level in the discharge tank. •Static suction head Hss (+ve) Applies when the supply tank is above the pump. It isThe vertical distance from the pump centerline up to the water surface level in the suction tank.. •Static suction lift Hss (-ve) Applies when the supply tank is below the pump. It is the
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CENTRIFUGAL PUMP DEMONSTRATION UNIT (CH3132 - Energy Efficiency and Conservation) INSTRUCTED BY : Mr. M.A. THARANGA NAME INDEX NO GROUP DATE OF PER DATE OF SUB : T.R.MUHANDIRAMGE : 090334 H :E : 2012-03-30 : 2012-04-24 RESULTS AND DISCUSSION Exercise 1 :-Understanding the basic characteristic curves of a centrifugal pump. 1. Total head against the flow rate At 70% At 50% 2. Mechanical power changes with the flow rate At 70% At 50% 3. Pump efficiency against the flow rate
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Diaphragm o Rotary Single rotor Vane Piston Flexible member Screw Peristaltic Multiple rotor Gear Lobe Circumferential piston Screw Dynamic o Centrifugal Axial flow Single stage Multi stage Mixed Flow Single suction Double suction Radial flowl Single stage Multi stage o Special Effect Jet Gas lift Hydraulic ram Electromagnetic This document only addresses centrifugal pumps‚ with a focus on single-stage radial-flow slurry pumps. Centrifugal pumps are capable
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1 (9) with the main switch on the switchbox (11); pump 2 must remain off! 3. Set the desired volumetric flow rate Q with the drain cock (8); ensure continuous water inflow into the reservoir. 4. Record measured values‚ (Refer Table 1): P Suction - on the intake side of the pump (13) P Delivery - on the delivery side of the pump (14) Q - Volumetric flow rate Note: To determine volumetric flow rate close the outlet valve. Use stopwatch to establish time required for raising the level
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Pump Selection and Sizing ( ENGINEERING DESIGN GUIDELINE) Rev: 03 Feb 2007 D) Total Head E) Net Positive Suction Head – NPSH F) Pump Power and Efficiency I) Power II) Hydraulic Power III) Brake Power IV) Pump Efficiency G) Pump Sizing- Step by Step Calculation 25 26 28 28 29 29 30 31 TROUBLESHOOTING OF THE PUMP PROBLEMS I) Seal Leakage II) Loss of flow III) Loss of Suction IV) Low Discharge Pressure V) Excessive Noise and Vibration VI) Excessive Power Consumption VII) Rapid Pump Wear
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K. Segrest Evaluation English 1111 Mrs. Cornelli 12 February 2013 The Dyson DC25 Ball Vacuum Cleaner The Dyson DC25 Ball vacuum cleaner‚ overall‚ has the most powerful suction as well as maneuverability. I have used this cleaner for a few years now in my home cleaning business and when compared to the more traditional vacuum‚ I think it is well worth every penny spent on it. Although it does cost hundreds of dollars more than others that can be purchased‚ I think it has been more carefully
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to boil. It was then removed from heat and 2 grams of Na2CO3 was added and dissolved. Finally the loose tea was added to the water and allowed to steep for 5 minutes. After 5 minutes the mixture was put through a suction filtration. A suction funnel was secured on top of the suction flask with the vacuum tubing. No filter paper was used because the tealeaves were very course. Then 400mg of NaCl was added and dissolved. The solution was then cooled in an ice bath. The solution was then transferred
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Refrigeration Cycles Prof. U.S.P. Shet ‚ Prof. T. Sundararajan and Prof. J.M . Mallikarjuna 6.5 Simple Vapor Compression Refrigeration System: A simple vapor compression refrigeration system consists of the following equipments: i) Compressor ii) Condenser iii) Expansion valve iv) Evaporator. B COMPRESOR C ∆Q1 200C FLUID TO BE COOLED EVAPORATOR (-300C) w CONDENSER (350C) COOLING WATER 00C ∆Q2 A EXPANSION VALVE D Fig.6.5. Simple vapour compression system
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Introduction Page 3 History of Electrotherapy Page 4 Health & Safety at Work Legislation Page 5 High Frequency Page 6 Facial Galvanic Page 7 Body Galvanic Page 8 Faradic Body Page 9 Facial Vacuum Suction Page 10 Vacuum Suction Body Page 11 Infra-Red Body Page 12 Paraffin Wax Body Page 13 Vibratory Massage Page 14 Conclusion Page 15 References page 16 Introduction Electrotherapy is a range of beauty treatments that
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