VELOCITY TRIANGLES, EULER HEIGHT, ELECTRICAL ENERGY CONSUMPTION HYDRAULIC TURBOMACHINES

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IngStark

Published on May 26, 2022
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📌 PROBLEM 19-29 . - A centrifugal water pump rotating at 1000 rpm has the following dimensions: 𝑫_𝟏=𝟏𝟖𝟎𝒎𝒎; 𝑫_𝟐∕𝑫_𝟏 =𝟐; 𝒃_𝟏=𝟑𝟎𝒎𝒎; 𝒃_𝟐=𝟐𝟎𝒎𝒎; 𝜷_𝟏=𝟐𝟎°; 𝜷_𝟐=𝟑𝟎°. Radial inlet to the blades; 𝜼_𝒉=𝟖𝟏%, 𝜼_𝒎=𝟗𝟓%; 𝜼_(𝒎𝒐𝒕𝒐𝒓 𝒆𝒍𝒍é𝒄𝒕)=𝟎.𝟖𝟓; The inlet and outlet flanges are at the same level; diameter of the inlet pipe 220mm; of the outlet pipe 200mm. The difference in level between the suction tank open to the atmosphere and the suction flange amounts to 1.2m and the suction losses are estimated at 4m. Calculate: a) The velocity triangles at the inlet and outlet of the impeller (𝒄, 𝒖, 𝒘, 𝒄_𝒖, 𝒄_𝒎, 𝜶) at the inlet and outlet; b) The pump flow rate; c) Euler height; d) Pressure height at the pump inlet; e) Electrical energy consumed in 6 hours of pump operation; f) Pressure height at the pump outlet. #HydraulicMachinesCourse ✅ Personalized advice → https://wa.link/eckmlw 📚 Chapter No. 19 From the book by Claudio Mataix 2nd edition - ROTODYNAMIC PUMPS 💥Course on Strength of Materials (From Scratch) • MECHANICS OF MATERIALS - Equilibrium of... 💥Static Exercises • STATICS Taking as reference the bibliographies of: Hydraulic Machines by Claudio Mataix 2nd Edition Hydraulic Turbomachines by Polo Encinas 2nd Edition 💥 Leave your beautiful like👍, Subscribe👆 and Share💪. HELP US continue uploading content.

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