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Page of mathematical equations and derivations from a larger document.


Identifier  ExFiles\Box 52\1\  Scan179
Date  31th January 1929 guessed
  
-3- Contd.

Since the rate W/d = (Cd⁴)/(8 D³n)

is given and C is fixed and D is given n ∝ d⁴

Actually n = C/(8 D³ R) . d⁴

so that if we say n d = L'

we have C/(8 D³ R) . d⁵ = L'

or d = ⁵√((8D³RL')/C)

__________


EFC. {E. Fowler Clarke - Electrical Engineer}
  
  
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).


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