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2022 |
In the present paper, we have studied nonlinear kinetic Alfv\ en waves (KAWs) in the vicinity of a null point. We have considered the nonlinearity due to ponderomotive effects associated with KAWs in the solar corona. A 3D model equation representing the dynamics of KAWs is developed in this null point scenario. Using numerical methods, we have solved the model equation for solar coronal parameters. The pseudospectral method and the finite difference method have been applied to tackle spatial integration and temporal evaluat ... Patel, G.; Pathak, N.; Uma, R.; Sharma, R.~P.; Published by: \solphys Published on: nov YEAR: 2022   DOI: 10.1007/s11207-022-02083-5 Parker Data Used; Solar corona heating-Sun: corona- turbulence; Wave; Null points |
2011 |
Array-design considerations for the solar probe plus mission The NASA Solar Probe Plus (SPP) mission will fly into and study the Sun s corona, reaching as close as 8.5 solar radii from the surface of the Sun. Power generation for the spacecraft will be provided by two solar array wings, which are being designed and built by Johns Hopkins University Applied Physics Laboratory and Emcore Photovoltaics. SPP will get closer to the Sun than any previous mission, and the solar array will therefore need to operate reliably under unusually high irradiances, temperatures, and angles of inciden ... Boca, Andreea; Blumenfeld, Philip; Crist, Kevin; Flynn, Greg; McCarty, James; Patel, Pravin; Sarver, Charles; Sharps, Paul; Stall, Rick; Stan, Mark; Tourino, Cory; Published by: Conference Record of the IEEE Photovoltaic Specialists Conference Published on: Cell engineering; Economic and social effects; NASA; Probes; Software testing; Solar cell arrays; Space flight; Thermal Engineering; Parker Engineering |
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