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Paper Abstract and Keywords
Presentation 2011-11-09 14:55
On the Possibility of Augmented Lorenz Equations as Turbulent Large-Scale Circulation Model
Takaya Miyano, Kenichiro Cho, Toshiyuki Toriyama (Ritsumeikan Univ.) NLP2011-102
Abstract (in Japanese) (See Japanese page) 
(in English) We have recently developed a chaotic gas turbine whose rotational motion may oversimplify and simulate the dynamical behavior of the Rayleigh-B'{e}nard convection heated from below and cooled from above. The nondimensionalized expression of the equations of motion governing the motion of the turbine rotor is mathematically equivalent to an augmented version of the Lorenz equations, where $N$ ($N rightarrow infty$) Lorenz subsystems form a starlike network sharing the X variable as the central node representing the dimensionless angular velocity of the rotor with $2N$ peripheral nodes representing the sinusoidal and cosinusoidal coefficients for spatial Fourier expansion of the dynamic pressure of air inflow into the turbine. In this study, we discuss the possibility of the augmented Lorenz model as a turbulent large-scale circulation model for the Rayleigh-Bénard convection with high Rayleigh numbers $> sim 10^{10}$.
Keyword (in Japanese) (See Japanese page) 
(in English) Lorenz equations / Chaotic gas turbine / Augmented Lorenz equations / Thermal convection / Large-scale circulation / Turbulence / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 276, NLP2011-102, pp. 61-64, Nov. 2011.
Paper # NLP2011-102 
Date of Issue 2011-11-02 (NLP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee NLP  
Conference Date 2011-11-09 - 2011-11-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Miyako Island Marine Terminal 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NLP 
Conference Code 2011-11-NLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On the Possibility of Augmented Lorenz Equations as Turbulent Large-Scale Circulation Model 
Sub Title (in English)  
Keyword(1) Lorenz equations  
Keyword(2) Chaotic gas turbine  
Keyword(3) Augmented Lorenz equations  
Keyword(4) Thermal convection  
Keyword(5) Large-scale circulation  
Keyword(6) Turbulence  
Keyword(7)  
Keyword(8)  
1st Author's Name Takaya Miyano  
1st Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
2nd Author's Name Kenichiro Cho  
2nd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
3rd Author's Name Toshiyuki Toriyama  
3rd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
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Speaker Author-1 
Date Time 2011-11-09 14:55:00 
Presentation Time 25 minutes 
Registration for NLP 
Paper # NLP2011-102 
Volume (vol) vol.111 
Number (no) no.276 
Page pp.61-64 
#Pages 4 
Date of Issue 2011-11-02 (NLP) 

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