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3013-11 Lecture 10 - Hydraulic System Design

# 3013-11 Lecture 10 - Hydraulic System Design - 2 of 3 Smay...

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CHE 3013 – Fall 11 1 of 3 Smay Lecture 10 Hydraulic System Design 1 Assignments Homework 4, Due Friday, September 16 Assigned Reading Centrifugal Pumps and System Hydraulics.pdf (pp 84 – 87, 92 – 93) Handouts (on D2L unless stated otherwise) Hydraulic Design Notes.pdf Outline 1. Introduction to hydraulic design 2. Reflux pump example problem Key Concepts 1. Line sizing involves a trade-off between power costs (friction) and capital costs (pipe) 2. Maximum fluid velocity is limited by erosion limits and depends on material of construction Key Skills 1. Estimating power requirements associated with flow measurement 2. Complete hydraulic design of fluid transfer systems

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CHE 3013 – Fall 11
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Unformatted text preview: 2 of 3 Smay Wolverine Engineering Data Book II , Wolverine, One of the Signal Companies, Section 1, p. 39, 1984. CHE 3013 – Fall 11 3 of 3 Smay Reflux Pump Example Design specifications: Reflux flow rate = 76 gpm Z 1 = 10 ft Z 2 = 125 ft sp. g = 0.83 μ = 1.3 cP No subcooling in condenser P col = 95 psig Δ P OH line = 3 psi Δ P condenser = 5.3 psi Δ P suction line = 0.3 psi Δ P discharge line = 15.8 psi Δ P cotrol valve = 10 psi Find: TDH (ft), Δ P pump (psi), hydraulic horsepower, brake horsepower, purchased power, NPSH available (ft) , NPSH requires (ft) Overhead Line Reflux P column Z 1 Z 2 Reflux Pump Condenser Condensate Receiver...
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3013-11 Lecture 10 - Hydraulic System Design - 2 of 3 Smay...

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