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Amareshwara Sainadh

Welcome to my website

On this page, you will find information about my scientific career and my research. I am currently a Doctoral student in Prof. Kimiya Komurasaki's laboratory at the University of Tokyo, Dep. Of Aeronautics and Astronautics. I worked as scientist in Indian Space research organization on Solid rocket motors before moving to Japan.

Current Research

I am currently working on Hall thruster electron fluid modelling. (Ph.D. is supported by Monbukagakusho Scholarship )

Drawing

Fig.1 Typical Hall thruster with metallic walls

Electron fluid equations:

\begin{equation} \frac{n_e}{\beta T_e}\frac{\partial \phi}{\partial \tau} + \nabla\cdot(n_e\,{\bf u}_e) = 0 \end{equation}\begin{equation} \left ( \begin{array}{ccc} b_x & \\ & b_y \end{array} \right )^{-1} \frac{\partial (u_{ez})}{\partial \tau} - [\mu] \nabla \phi = - u_e \end{equation}

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Previous Research

  • Optimization of Morphing Aircraft design

    • Genetic algorithms, Morphing aircraft

  • Monte-Carlo analysis for the Solid Rocket motors

    Drawing

  • Crew Escape system design for Human Space Program

  • Development of Performance evaluation codes for the solid rocket motors
    • Regression rate anamolies, Flow separation models, Particle flow, Pressure and Thrust Oscillations Drawing

Work experience

  • Scientist - Grain and Nozzle Design Division, Indian Space Research Organization, February 2010 – March 2015
  • Lecturer - Institute of Aeronautical Engineering, Department of Aerospace Engineering, April, 2009 – January 2010.
  • Teaching assistant - Indian Institute of Technology, Bombay, Jun, 2006 - Jun, 2008

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Publications

  1. Amareshwara Sainadh Chamarthi and Rajkumar S. Pant. "Studies on Morphing Aircraft Design including Engine parameters using Genetic Algorithm", 14th AIAA Aviation Technology, Integration, and Operations Conference, AIAA AVIATION Forum, (AIAA 2014-2723), http://arc.aiaa.org/doi/abs/10.2514/6.2014-2723

  2. “Flow Separation in Rocket Motors during Sea Level Static Test”, Amareshwara Sainadh, R Jeenu, J. Jayaprakash, Srinivasan V., S. Ramakrishnan, 62nd International Astronautical Congress, Cape town, South Africa, 2011

  3. “Variation of burning rate scale factors in SRM”, Amareshwara Sainadh Ch., Jeenu R., Jayaprakash J., Srinivasan V., 9th International High energy material conference, Trivandrum, 2014.

Education

  • Sep, 2015 - current, Doctoral student, Dept. of Aeronautics and Astronautics, University of Tokyo
  • Jun, 2006 - Jun, 2008 Master of Technology, Dept. of Aeronautics and Astronautics, Indian Institute of Technology Bombay, India
  • Jun, 2002 - Apr, 2006 Bachelor of Technology, JNTU, Hyderabad,India

Contact information

  • Work address: The University of Tokyo, Department of Aeronautics and Astronautics, Hongo 7-3-1 , Bunkyo-ku, Tokyo,113-8656, Japan
  • Telephone : +81-3-5841-6559
  • Email address: s.chamarthi[a]al.t.u-tokyo.ac.jp
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$ \beta_j = \sum_{l=1}^{4} \Delta x^{2l-1} \int_{- \Delta x}^{0} \left( \frac{d^l}{dx^l} p_j(x) \right)^2 \, dx \ $

$ \beta_3 = (\frac{1}{20} f_{i-2} -\frac{1}{2} f_{i-1}-\frac{1}{3} f_{j}+ f_{i+1}-\frac{1}{4} f_{i+2}+\frac{1}{30} f_{j+3})^2 + (-\frac{1}{12} f_{i-2} +\frac{4}{3} f_{i-1}-\frac{5}{2} f_{j}+ \frac{4}{3} f_{i+1}-\frac{1}{12} f_{i+2})^2 + (-\frac{1}{4} f_{i-2} -\frac{1}{4} f_{i-1}-\frac{5}{2} f_{j} -\frac{7}{2}f_{i+1}-\frac{7}{4} f_{i+2}-\frac{1}{4} f_{j+3})^2 (f_{i-2} -{4} f_{i-1}+{6} f_{j}-{4} f_{i+1}+ f_{i+2})^2 + (- f_{i-2} +5 f_{i-1}-10 f_{j} +10f_{i+1}-5 f_{i+2}+ f_{j+3})^2 $