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Subrata Roy (scientist)

Subrata Roy (scientist) is a physics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Subrata Roy (scientist) rather than just read about it. In short: Subrata Roy is an American inventor, educator, and scientist known for his work in plasma-based flow control and plasma-based self-sterilizing technology. He is a professor of Mechanical and Aerospace Engineering at the University of Florida and the founding director of the Applied Physics Research Group at the University of Florida.

Subrata Roy (scientist) — main illustration
Subrata Roy (scientist) — illustration

Key takeaways

  • Subrata Roy (scientist) belongs to physics; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Subrata Roy (scientist) to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Subrata Roy (scientist) from memory before moving on to harder problems.

Reference excerpt

Subrata Roy is an American inventor, educator, and scientist known for his work in plasma-based flow control and plasma-based self-sterilizing technology. He is a professor of Mechanical and Aerospace Engineering at the University of Florida and the founding director of the Applied Physics Research Group at the University of Florida. He is also the President and the founder of SurfPlasma Inc., a biotechnology company in Gainesville, Florida.

Biography Subrata Roy earned his Bachelor's degree in Mechanical Engineering from Jadavpur University, Kolkata, India in 1984 and his Ph.D. in engineering science from the University of Tennessee in Knoxville, TN in 1994. Roy was a senior research scientist at Computational Mechanics Corporation in Knoxville, Tennessee, and then professor of mechanical engineering at the Kettering University up to 2006. In 2006, Roy joined the University of Florida as a faculty member of the Department of Mechanical and Aerospace Engineering. He is a professor of Mechanical and Aerospace Engineering and the founding director of the Applied Physics Research Group at the University of Florida. He has also worked as a visiting professor at the University of Manchester and the Indian Institute of Technology Bombay.

Scientific work Subrata Roy's research and scientific work encompasses computational fluid dynamics (CFD), plasma physics, heat transfer, magnetohydrodynamics, electric propulsion, and micro/nanoscale flows. In 2003, Roy incorporated Knudsen's theory that handles surface collisions of molecules by diffusive and specular reflections into hydrodynamic models, which has been used in shale gas seepage studies. In 2006, Roy invented the Wingless Electromagnetic Air Vehicle (WEAV) which was included in Scientific American in 2008 as the world's first wingless, electromagnetically driven air vehicle design. Roy is known for introducing various novel designs and configurations of plasma actuators for applications in mitigation of flow drag related fuel consumption, noise reduction, and active film cooling of turbine blades and propulsion. These designs and configurations include serpentine geometry plasma actuators, fan geometry plasma actuators, micro-scale actuators, multibarrier plasma actuators, and plasma actuated channels of atmospheric plasma actuators. Roy also led multidisciplinary research on innovating eco-friendly ways of microorganism decontamination using plasma reactors. Roy served as the Technical Discipline Chair for the 36th AIAA Thermophysics Conference in 2003, the 48th Aerospace Sciences Meeting (for Thermophysics) in 2010, the AIAA SciTech Plasma Dynamics and Lasers Conference in 2016, and served as the Forum Technical Chair for AIAA SciTech in 2018. Roy served (2005–2007) as an Associate Editor of the Journal of Fluids Engineering and served (2012–2017) as an Academic Editor of PLOS One. Roy serves as a nation appointed member to the NATO Science and Technology Organisation working group on plasma actuator technologies; a member of the editorial board of Scientific Reports-Nature; and, an Associate Editor of Frontiers in Physics, Frontiers in Astronomy and Space Sciences, and Journal of Fluid Flow, Heat and Mass Transfer. Roy is an inducted member of the Florida Inventors Hall of Fame, Fellow of the National Academy of Inventors, an inducted member of the Academy of Science, Engineering and Medicine of Florida, a Distinguished Visiting Fellow of the Royal Academy of Engineering, a Fellow of the Royal Aeronautical Society, a lifetime member and Fellow of the American Society of Mechanical Engineers, and an Associated Fellow of the American Institute of Aeronautics and Astronautics.

Honors Florida Inventors Hall of Fame Fellow, National Academy of Inventors Distinguished Visiting Fellow, Royal Academy of Engineering Member, Academy of Science, Engineering, and Medicine of Florida Fellow, Royal Aeronautical Society Lifetime Fellow, American Society of Mechanical Engineers Space Act Award 2016 NASA

References

External links Subrata Roy publications indexed by Google Scholar "Subrata Roy patents". United States Patent and Trademark Office.

Illustrations

Subrata Roy (scientist) illustration

Worked examples

Example 1 — a first encounter with Subrata Roy (scientist)

Start with the simplest possible case. Write down what Subrata Roy (scientist) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Subrata Roy (scientist) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Subrata Roy (scientist) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Subrata Roy (scientist)

In research
Subrata Roy (scientist) appears in physics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Subrata Roy (scientist) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Subrata Roy (scientist) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 20th-century Indian physicists, 21st-century American inventors, American Hindus, so understanding it makes those chapters shorter.
In everyday life
Look for Subrata Roy (scientist) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Subrata Roy (scientist) in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Subrata Roy (scientist) means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Subrata Roy (scientist) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Subrata Roy (scientist) in simple terms?

Subrata Roy is an American inventor, educator, and scientist known for his work in plasma-based flow control and plasma-based self-sterilizing technology. He is a professor of Mechanical and Aerospace Engineering at the University of Florida and the founding director of the Applied Physics Research…

Why does Subrata Roy (scientist) matter?

Because it connects several physics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Subrata Roy (scientist)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Subrata Roy (scientist).

Tags

  • 20th-century Indian physicists
  • 21st-century American inventors
  • American Hindus
  • American academics of Indian descent
  • American engineers
  • American people of Bengali descent
  • Bengali scientists
  • Computational fluid dynamicists
  • Fellows of the Royal Aeronautical Society
  • Indian emigrants to the United States
  • Indian scholars
  • Jadavpur University alumni

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