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Fans in Biosystems and Ag. Engineering: Types, Curves, and Performance Calculations - Prof, Study notes of Engineering

This document, from dr. C. L. Jones' biosystems and ag. Engineering course, covers various types of fans, including propeller, tube-axial, vane-axial, centrifugal, radial flow, cross-flow (tangential), and mixed-flow tubular centrifugal fans. The lecture also discusses fan curves, total pressure, total efficiency, and static efficiency. Equations and conversions for calculating fan performance.

Typology: Study notes

Pre 2010

Uploaded on 11/08/2009

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Download Fans in Biosystems and Ag. Engineering: Types, Curves, and Performance Calculations - Prof and more Study notes Engineering in PDF only on Docsity! 1 Dr. C. L. Jones Biosystems and Ag. Engineering Fans – Lecture 2 • Fan testing: 2 Dr. C. L. Jones Biosystems and Ag. Engineering propeller fan tube-axial fan vane-axial fan Axial flow fans 5 Dr. C. L. Jones Biosystems and Ag. Engineering mixed-flow tubular cent. fans 6 Dr. C. L. Jones Biosystems and Ag. Engineering Fan Curves • AMCA Handout 7 Dr. C. L. Jones Biosystems and Ag. Engineering Total pressure, total efficiency, static efficiency • Total Pressure: eqn. 5.1, pg 127 • Find v: eqn. 5.2 • Conversions: – 1 “H2O = 249 Pa – 1 ft/min = .00508 m/sec – 1 lb/in^3 = 27679.9 kg/m^3 – 1 ft^3/min = .000471947 m^3/sec – 1 HP = 745.7 Watts • Total efficiency eqn. 5.3 • Static efficiency eqn. 5.4 • Assume 1750 rpm • Outlet of 10” x 12” • Q = 12030 cfm • Static pressure = 2” • 50 hp • Density = 3.9E-5 lb/in^3
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