Prediction of Axial and Centrifugal Fan Characteristics for Large Surface Effect Vehicles

Two digital computer programs have been formulated for predicting performance characteristics of centrifugal and axial fans which may be used to provide lift air for large surface effect vehicles. Pressure rise and flow characteristics of forwardly curved, radial, and backwardly curved centrifugal f...

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Bibliographic Details
Main Author: Purnell, John G
Other Authors: DAVID W TAYLOR NAVAL SHIP RESEARCH AND DEVELOPMENT CENTER ANNAPOLIS MD
Format: Text
Language:English
Published: 1973
Subjects:
Surface Effect Vehicles & Amphibious Vehicles
*ARCTIC REGIONS
*AXIAL FLOW FANS
*COMPUTER PROGRAMS
*FANS
*GROUND EFFECT MACHINES
AERODYNAMIC CHARACTERISTICS
AERODYNAMIC CONFIGURATIONS
CENTRIFUGAL COMPRESSORS
DRAG
GAS FLOW
IMPELLERS
LIFT
MATHEMATICAL MODELS
MATHEMATICAL PREDICTION
PERFORMANCE(ENGINEERING)
PRESSURE
*CENTRIFUGAL FANS
SEV(SURFACE EFFECT VEHICLES)
SURFACE EFFECT VEHICLES
Arctic
Online Access:http://www.dtic.mil/docs/citations/AD0912307
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0912307
Description
Summary:Two digital computer programs have been formulated for predicting performance characteristics of centrifugal and axial fans which may be used to provide lift air for large surface effect vehicles. Pressure rise and flow characteristics of forwardly curved, radial, and backwardly curved centrifugal fans can be evaluated. Axial fans having either inlet flow prerotators or exit flow straighteners can also be handled in the program. Sample results are presented to illustrate the method of calculation and the nature of the results. Report on Arctic Surface Effect Vehicle Program.

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