meridional

English translation: see the link for help...

08:24 Jan 7, 2007
English language (monolingual) [PRO]
Tech/Engineering - Energy / Power Generation / Turbine
English term or phrase: meridional
a point located 25% of the local *meridional* blade chord length (CmG or CmN, respectively).

What does it mean "meridional" for a blade in a turbine?
Franco Mori
Italy
Local time: 21:44
Selected answer:see the link for help...
Explanation:
Hi Frank!
I hope this link might be able to help you. Looks like the blades are "slewed" on such turbine blades, but engineering is not my strongest call!!

Good luck!
Selected response from:

William [Bill] Gray
Norway
Local time: 21:44
Grading comment
Thanks Bill!
4 KudoZ points were awarded for this answer



SUMMARY OF ALL EXPLANATIONS PROVIDED
4See comment below...
Tony M
4vertical
Jonas Teixeira (X)
3see the link for help...
William [Bill] Gray
3May be
Manuel Cedeño Berrueta


  

Answers


36 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
*meridional*
see the link for help...


Explanation:
Hi Frank!
I hope this link might be able to help you. Looks like the blades are "slewed" on such turbine blades, but engineering is not my strongest call!!

Good luck!



    Reference: http://www.ansys.com/assets/brochures/blademodeler-10.pdf
William [Bill] Gray
Norway
Local time: 21:44
Specializes in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 7
Grading comment
Thanks Bill!
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2 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
See comment below...


Explanation:
Here is one of the definitions from the OED, I hope it helps you see what they're referring to:

meridional

4 Of a marking or structure on a roundish body: lying in a plane with the axis of the body.


Tony M
France
Local time: 21:44
Works in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 4
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4 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5
May be


Explanation:
May be this use of “meridional” (=of, pertaining or related to a meridian) is related to the following meaning of “meridian”:

"Meridian
A line of constant longitude on a spheroid (or sphere). More generally, a meridian of a surface of revolution is the intersection of the surface with a plane containing the axis of revolution."
<http://mathworld.wolfram.com/Meridian.html>
------

Best luck,
Manuel


Manuel Cedeño Berrueta
Local time: 15:44
Native speaker of: Native in SpanishSpanish
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4 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
vertical


Explanation:
One thing is sure: For you to vizualize the flow [of fluids and air] through a general rotor, you have to draw a meridional surface and depict the blade threon for calculations.

Meridional in your text has to do with the chord, which is the length of the perpendicular projection of a blade profile onto the chord line.

My suggestion is for you to refresh your knowledge on geometry [particularly, the lines passing on a circumference, and check what a chord line is, but as applicable to thermodynamics]

As this is a complex matter, involving thermodynamics, I reinforce Bill's suggestion for you to check his site, as above recommended.

Once again, meridional, in this case, refers to all possible vertical lines [opposed to horizontal] possible to be drawn on a circumference, or any curve surface. However, you should stick to the meridional phrasing, as this is standard to the discipline at hand.

Jonas Teixeira (X)
Brazil
Local time: 16:44
Works in field
Native speaker of: Native in PortuguesePortuguese
PRO pts in category: 4
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