Browsing by Subject "numerical"

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Calibration requirements for Epoch of Reionization 21-cm signal observations - II. Analytical estimation of the bias and variance with time-correlated residual gains

Kumar, Jais; Dutta, Prasun; Choudhuri, Samir; Roy, Nirupam (Oxford University Press, 2022-05-01)

Observation of redshifted 21-cm signals from neutral hydrogen holds the key to understanding the structure formation and its evolution during the reionization and post-reionization era. Apart from the presence of orders ...
Two-fluid numerical model of chromospheric heating and plasma outflows in a quiet-Sun

Murawski, K.; Musielak, Z.E.; Poedts, S.; Srivastava, A.K.; Kadowaki, L. (Springer Science and Business Media B.V., 2022-11)

Purpose: This paper addresses long-standing solar physics problems, namely, the heating of the solar chromosphere and the origin of the solar wind. Our aim is to reveal the related mechanisms behind chromospheric heating ...
Two-fluid Numerical Simulations of Solar Spicules

Kuźma, B.; Murawski, K.; Kayshap, P.; Wójcik, D.; Srivastava, A.K.; Dwivedi, B.N. (Institute of Physics Publishing, 2017-11-10)

We aim to study the formation and evolution of solar spicules by means of numerical simulations of the solar atmosphere. With the use of newly developed JOANNA code, we numerically solve two-fluid (for ions + electrons and ...

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