Moduli of algebraic curves: Difference between revisions

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{{Unreferenced|date=December 2009}}
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'''Corrected Speed''' is the speed a component would rotate at if the inlet temperature corresponded to ambient conditions at Sea Level, on a Standard Day (i.e. 288.15K).
 
Corrected Speed, '''<math>N/{\sqrt{\theta}}</math>''', can be calculated as follows:
 
'''<math>N/\sqrt{\theta} = N/\sqrt{T/288.15}</math>'''
 
Corrected Speed is often abbreviated to '''<math>Nc</math>'''  or '''<math>Nr</math>''' (for Referred Speed).
 
So-called Non-Dimensional Speed '''<math>(N/\sqrt{T})</math>''' is proportional to Corrected Speed:
 
'''<math>N/\sqrt{T}= (N/\sqrt{\theta}) / \sqrt{288.15}</math>'''
 
Nomenclature:
 
*'''<math>T</math>''' Stagnation (or Total) Temperature (in Kelvin)
 
*'''<math>N</math>''' Real Shaft Speed
 
*'''<math>{\theta}</math>''' Referred Temperature
 
In relative form, Corrected Speed, Referred Speed and Non-Dimensional Speed are all measures of peripheral Mach number.
 
==See also==
*[[Compressor map]]
*[[Turbine map]]
*[[Corrected flow]]
 
{{DEFAULTSORT:Corrected Speed}}
[[Category:Turbines]]
[[Category:Aerospace engineering]]

Latest revision as of 15:57, 9 September 2014

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