1996-02-01

Aerodynamic Evaluation of Two Maglev Designs 960905

Wind tunnel tests were conducted on two variations of a Grumman design for a Maglev vehicle The tests employed a moving belt system simulation of an elevated track which was designed to properly simulate the flowfield for Maglev vehicle configurations of the EMS type where the vehicle undercarriage partially wraps around or encloses the track Lift and drag forces and vehicle pitching moments were measured over a wide range of Reynolds number and the results compared with computations made by Grumman The tests also included measurements of flowfield velocity and turbulence profiles downstream of the vehicles and pressure measurements over the vehicle nose The test results showed a slight difference between the two designs with a possible reason to give preference to one of the designs due to reduced pitching moment.

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