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7、ureeffectand(JNonmalpressureandfictonforces(b)AttachedandseParation(ffuidseparatedflowaroundacylinder(c)AttachedfowandPressurerecoveryalongastreamlinedbodyFigurefromBicycleSciencepg174Aerodynamics“DragCoefticient。Cn=drag/(areaxdynamicpressure)DynamicPressurecanbeapproximatedforspeedsunderloorniyhas:Dynamicpressure=pV:/2g。c=32.274lbm-仡/lbf-s:8CLae一-。Theforceinthedirectionofrelativeflow“Propulsionpowertoovercomedrag:V=dragforcexrelativevehicleve0city目
