Results 41 to 50 of about 1,712,646 (286)

Solar Interior Rotation and its Variation

Living Reviews in Solar Physics, 2009
This article surveys the development of observational understanding of the interior rotation of the Sun and its temporal variation over approximately forty years, starting with the 1960s attempts to determine the solar core rotation from oblateness and ...
Howe Rachel
doaj  

Probing the Large-scale Magnetic Field inside the Sun from Three Decades of Observed Surface Magnetograms

The Astrophysical Journal Letters
Space weather and disturbances in the heliosphere are manifestations of the solar magnetic field, which is solely driven by the interior dynamo. Constraining the solar interior magnetic field and its oscillatory behavior is one of the major challenges in
Soumyadeep Chatterjee, Gopal Hazra
doaj   +1 more source

Minuscule Corrections to Near-surface Solar Internal Rotation Using Mode Coupling

The Astrophysical Journal Supplement Series, 2023
The observed solar oscillation spectrum is influenced by internal perturbations such as flows and structural asphericities. These features induce splitting of characteristic frequencies and distort the resonant-mode eigenfunctions.
Srijan Bharati Das, Samarth G. Kashyap, Deniz Oktay, Shravan M. Hanasoge, Jeroen Tromp   +4 more
doaj   +1 more source

Architecture‐Driven Functional Coupling in Vertically Aligned Nanocomposites

Advanced Functional Materials, EarlyView.
Vertically aligned nanocomposites define a growth‐engineered architecture in which vertical interfaces, strain fields, defect pathways, and phase connectivity are created simultaneously. This review shows how these architectural features couple ferroic, optical, ionic, electrochemical, and device responses, establishing design rules and open challenges
Md Shatil Islam‐Shanto, Javier Zamudio‐García, Abraham Sánchez‐Caballero, David Marrero‐López, Vincenzo Esposito   +4 more
wiley   +1 more source

Helioseismic Properties of Dynamo Waves in the Variation of Solar Differential Rotation

The Astrophysical Journal
Solar differential rotation exhibits a prominent feature: its cyclic variations over the solar cycle, referred to as zonal flows or torsional oscillations, are observed throughout the convection zone.
Krishnendu Mandal, Alexander G. Kosovichev, Valery V. Pipin   +2 more
doaj   +1 more source

Solar Interior

This chapter introduces the reader to the solar interior, in particular the convection zone. The first section explores the solar cycle and the dynamo models that have been studied to explain this cycle. The second section explores helioseismology observations and analysis of the solar interior, and reviews the fundamental knowledge that has been ...
Linton, Mark, Dikpati, Mausumi, Howe, Rachel   +2 more
openaire   +2 more sources

Heat Transfer Analysis and Modeling for a Coaxial Solar Collector in a Domestic Cogeneration System

, 2011
The need for an efficient energy system in domestic houses push the research toward innovative cogeneration system, which can meets the needs for electricity, heating and cooling power.
Alberto Bertaso, Alberti, Fabrizio, Crema, Luigi, Bertaso, Alberto, Luig Crema, Fabrizio Alberti   +5 more
core   +1 more source

Forward‐Biased Perovskite Photodiodes for In‐Sensor Optical Change Sensing

Advanced Functional Materials, EarlyView.
A forward‐biased perovskite photodiode is introduced as an in‐sensor analog preprocessing unit that uses current balancing between photocurrent and injection current to generate optical changes relative to programmable optical reference levels. The device directly converts reference‐relative optical changes into bipolar current signals, enabling sensor‐
Eungseon Yeon, Je‐Jun Lee, Somin Yun, Sangin Hahn, Chanhyeok Kim, Jinsoo Park, Jung Pyo Hong, Seong‐Jun Han, Jung Woo Kim, Jeong Hwan Lee, Subin Jeon, Youngmin Kim, Gunuk Wang, Hanul Min, Do Kyung Hwang   +14 more
wiley   +1 more source

Blue Upconversion Organic Light‐Emitting Diodes Achieving 1000 cd m−2 With an Operating Voltage of 2.7 V by Suppressing Interfacial Exciton Quenching

Advanced Functional Materials, EarlyView.
A triplet‐blocking layer controls triplet exciton dynamics in blue upconversion OLEDs. The layer keeps charge transfer (CT)‐generated triplet excitons inside the triplet‐triplet annihilation (TTA) host, suppresses anode‐side interfacial quenching, and increases the steady‐state triplet population.
Qing‐Jun Shui, Hiroto Iwasaki, Kosuke Anraku, Ken Albrecht, Yutaka Majima, Seiichiro Izawa   +5 more
wiley   +1 more source

Resolving the Tachocline Using Inversion of Rotational Splitting Derived from Fitting Very Long and Long Time Series

The Astrophysical Journal
We use rotation splittings derived from very long and long time series, namely 25.2, 12.6, and 6.3 yr long, computed by S. G. Korzennik independent methodology to characterize the solar tachocline and its variation with latitude and time.
Sylvain G. Korzennik, Antonio Eff-Darwich   +1 more
doaj   +1 more source