Mathematics and Applications Seminar by Dr. Bhimsen Shivamoggi

Friday, March 31, 2023 11 a.m. to noon

Mathematics and Applications Seminar 
11:00am - 12:00pm, Friday, March 31, 2023 
MSB 318 

Speaker: 
Dr. Bhimsen Shivamoggi
Department of Mathematics 
University of Central Florida

Title: Stellar Rotation Effects on the Stellar Wind 

Abstract:
We discuss the role of the azimuthal stellar wind flow in the stellar-rotation braking mechanism (Shivamoggi [1]). The stellar rotation is shown to cause the slow magnetosonic critical point to occur lower in the corona and hence lead to enhanced stellar wind acceleration. For strong rotators, this process is shown to occur in a narrow shell adjacent to the star. The stellar rotation is shown to cause the physical throat section of the effective “de Laval” nozzle associated with the stellar wind flow to become narrower and the nozzle to also have a large flare, indicative again of an enhanced flow acceleration. 


[1] B. K. Shivamoggi: Phys. Plasmas 27, 012902, (2020), Editor’s Pick paper.

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The UCF Mathematics and Applications Seminar, which takes place every Friday from 11am to 12pm in MSB 318, provides a venue for researchers to present their current work, foster new collaborations, and showcase both foundational mathematics and its applications to graduate and undergraduate students.

https://sciences.ucf.edu/math/seminar/mathematics-and-applications-seminar

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