Search Results - "Pipin, Valery"

Toroidal Magnetic Flux Budget in Mean-field Dynamo Model of Solar Cycles 23 and 24 by Pipin, Valery V., Kosovichev, Alexander G.

“…We study the toroidal magnetic flux budget of the axisymmetric part of a data-driven 3D mean-field dynamo model of Solar Cycles 23 and 24. The model simulates…”
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Helioseismic Properties of Dynamo Waves in the Variation of Solar Differential Rotation by Mandal, Krishnendu, Kosovichev, Alexander G., Pipin, Valery V.

“…Solar differential rotation exhibits a prominent feature: its cyclic variations over the solar cycle, referred to as zonal flows or torsional oscillations, are…”
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Torsional Oscillations in Dynamo Models with Fluctuations and Potential for Helioseismic Predictions of the Solar Cycles by Pipin, Valery V., Kosovichev, Alexander G.

“…Using a nonlinear mean-field solar dynamo model, we study relationships between the amplitude of the "extended" mode of migrating zonal flows ("torsional…”
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Forward Modeling Helioseismic Signatures of One- and Two-cell Meridional Circulation by Stejko, Andrey M., Kosovichev, Alexander G., Pipin, Valery V.

“…Using a 3D global solver of the linearized Euler equations, we model acoustic oscillations over background velocity flow fields of single-cell meridional…”
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A review of Holocene solar-linked climatic variation on centennial to millennial timescales: Physical processes, interpretative frameworks and a new multiple cross-wavelet transform algorithm by Soon, Willie, Velasco Herrera, Victor M., Selvaraj, Kandasamy, Traversi, Rita, Usoskin, Ilya, Chen, Chen-Tung Arthur, Lou, Jiann-Yuh, Kao, Shuh-Ji, Carter, Robert M., Pipin, Valery, Severi, Mirko, Becagli, Silvia

“…We report on the existence and nature of Holocene solar and climatic variations on centennial to millennial timescales. We introduce a new solar activity…”
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Long-term studies of photospheric magnetic fields on the Sun by Pevtsov, Alexei A., Bertello, Luca, Nagovitsyn, Yury A., Tlatov, Andrey G., Pipin, Valery V.

“…We briefly review the history of observations of magnetic fields on the Sun, and describe early magnetograps for full disk measurements. Changes in instruments…”
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Solar Poloidal Magnetic Field Generation Rate from Observations and Mean-Field Dynamos by Pipin, Valery

“…To estimate the hemispheric flux generation rate of the large-scale radial magnetic field in Solar Cycles 23 and 24, we use the photospheric observations of…”
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Turbulent Processes and Mean-Field Dynamo by Brandenburg, Axel, Elstner, Detlef, Masada, Youhei, Pipin, Valery

“…Mean-field dynamo theory has important applications in solar physics and galactic magnetism. We discuss some of the many turbulence effects relevant to the…”
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Angular momentum fluxes caused by Λ-effect and meridional circulation structure of the Sun by Pipin, Valery V., Kosovichev, Alexander G.

“…Using mean-field hydrodynamic models of the solar angular momentum balance we show that the non-monotonic latitudinal dependence of the radial angular momentum…”
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Angular momentum fluxes caused by -effect and meridional circulation structure of the Sun by Pipin, Valery V, Kosovichev, Alexander G

“…Using mean-field hydrodynamic models of the solar angular momentum balance we show that the non-monotonic latitudinal dependence of the radial angular momentum…”
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Probing current and cross-helicity in the solar atmosphere: A challenge for theory by Kuzanyan, Kirill M., Pipin, Valery V., Zhang, Hongqi

“…We review results of systematic data analysis of solar vector magnetograms and dopplergrams for revealing average values of current helicity and twist over…”
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Corrigendum to ‘A review of Holocene solar-linked climatic variation on centennial to millennial timescales: Physical processes, interpretative frameworks and a new multiple cross-wavelet transform algorithm’ Earth Sci. Rev. 134 [1–15] by Soon, Willie, Velasco Herrera, Victor M., Selvaraj, Kandasamy, Traversi, Rita, Usoskin, Ilya, Arthur Chen, Chen-Tung, Lou, Jiann-Yuh, Kao, Shuh-Ji, Carter, Robert M., Pipin, Valery, Severi, Mirko, Becagli, Silvia

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Helioseismic Properties of Dynamo Waves in the Variation of Solar Differential Rotation by Mandal, Krishnendu, Kosovichev, Alexander G, Pipin, Valery V

“…Solar differential rotation exhibits a prominent feature: its cyclic variations over the solar cycle, referred to as zonal flows or torsional oscillations, are…”
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Turbulent processes and mean-field dynamo by Brandenburg, Axel, Elstner, Detlef, Masada, Youhei, Pipin, Valery

“…Spa. Sci. Rev. 219, 55 (2023) Mean-field dynamo theory has important applications in solar physics and galactic magnetism. We discuss some of the many…”
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Forward Modeling Helioseismic Signatures of One- and Two-cell Meridional Circulation by Stejko, Andrey M, Kosovichev, Alexander G, Pipin, Valery V

“…ApJ, 911, 90 (2021) Using a 3D global solver of the linearized Euler equations, we model acoustic oscillations over background velocity flow fields of…”
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Dependence of stellar magnetic activity cycles on rotational period in nonlinear solar-type dynamo by Pipin, Valery, Kosovichev, Alexander

“…We study turbulent generation of large-scale magnetic fields using nonlinear dynamo models for solar-type stars in the range of rotational periods from 14 to…”
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Dynamo Wave Patterns Inside the Sun Revealed by Torsional Oscillations by Kosovichev, Alexander G, Pipin, Valery V

“…Torsional oscillations represent bands of fast and slow zonal flows around the Sun, which extend deep into the convection zone and migrate during solar cycles…”
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Evolution of Magnetic Helicity in Solar Cycle 24 by Pipin, Valery V, Pevtsov, Alexei A, Liu, Yang, Kosovichev, Alexander G

“…We propose a novel approach to reconstruct the surface magnetic helicity density on the Sun or sun-like stars. The magnetic vector potential is determined via…”
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A new simple dynamo model for stellar activity cycle by Yokoi, Nobumitsu, Schmitt, Dieter, Pipin, Valery, Hamba, Fujihiro

“…A new simple dynamo model for stellar activity cycle is proposed. By considering an inhomogeneous mean flow effect on turbulence, it is shown that turbulent…”
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Benchmarking the solar dynamo with Maxima by Pipin, Valery V

“…Recently, Jouve et al(A&A, 2008) published the paper that presents the numerical benchmark for the solar dynamo models. Here, I would like to show a way how to…”
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