boundary layer thickness
71Numerical weather prediction — Weather models use systems of differential equations based on the laws of …
72Egyptian faience — is a non clay ceramic displaying surface vitrification which creates a bright blue green luster. It is called Egyptian faience to distinguish it from Faience which refers to the ambiguous term frit and a type of pottery now know as majolica: a… …
73Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… …
74Messerschmitt Bf 109 variants — Main article: Messerschmitt Bf 109 Bf 109 Bf 109G 10, with Erla Haube canopy and taller, wooden vertical fin/rudd …
75Nusselt number — In heat transfer at a boundary (surface) within a fluid, the Nusselt number is the ratio of convective to conductive heat transfer across (normal to) the boundary. Named after Wilhelm Nusselt, it is a dimensionless number. The conductive… …
76Drizzle — For other uses, see Drizzle (disambiguation). Part of the Nature series on Weather   Calendar seasons Spring  …
77Ion Beam Mixing — is a process for adhering two multilayers, especially a substrate and deposited surface layer. The process involves bombarding layered samples with doses of ion radiation in order to promote mixing at the interface, and generally serves as a… …
78Lockheed XF-104 — infobox Aircraft name = XF 104 type = Interceptor prototype manufacturer = Lockheed Aircraft Corporation caption = Lockheed XF 104 FG 786 designer= Clarence L Kelly Johnson first flight=4 March avyear|1954 primary user= Lockheed more users=… …
79Lockheed F-104 Starfighter — F 104 Starfighter A Fokker built, German owned F 104G in USAF markings in August 1979 Role Intercep …
80Wind turbine design — An example of a wind turbine, this 3 bladed turbine is the classic design of modern wind turbines Wind turbines History Design …
