Gang Zeng
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View article: Predicting the SYM‐H Index Using the Ring Current Energy Balance Mechanism
Predicting the SYM‐H Index Using the Ring Current Energy Balance Mechanism Open
The geomagnetic disturbance index SYM‐H is primarily determined by the total kinetic energy of ring current particles. Therefore, the energy balance mechanism of the ring current can be used to construct an SYM‐H evolution equation for pre…
View article: Quadratic magnetic gradients from seven- and nine-spacecraft constellations
Quadratic magnetic gradients from seven- and nine-spacecraft constellations Open
To uncover the dynamics of magnetized plasma, it is crucial to determine the geometric structure of the magnetic field, which depends on its linear and quadratic spatial gradients. Estimating the linear magnetic gradient requires at least …
View article: Experiments and Heat Transfer Correlation Validations of Low-Parameter Region of sCO2 Flow in a Long Thin Vertical Loop
Experiments and Heat Transfer Correlation Validations of Low-Parameter Region of sCO2 Flow in a Long Thin Vertical Loop Open
The focus of this study is to accurately predict the convective heat transfer of CO2 to ensure the safe and efficient design of supercritical and trans-critical CO2 energy systems. The heat transfer performance of CO2 is crucial for the st…
View article: Comment on egusphere-2024-1330
Comment on egusphere-2024-1330 Open
Abstract. To reveal the dynamics of magnetised plasma, it is essential to know the geometrical structure of the magnetic field, which is closely related to its linear and quadratic gradients. Estimation of the linear magne…
View article: Quadratic Magnetic Gradients from 7-SC and 9-SC Constellations
Quadratic Magnetic Gradients from 7-SC and 9-SC Constellations Open
To reveal the dynamics of magnetised plasma, it is essential to know the geometrical structure of the magnetic field, which is closely related to its linear and quadratic gradients. Estimation of the linear magnetic gradient requires at le…
View article: Observational features of charge distribution in Earth’s inner magnetosphere
Observational features of charge distribution in Earth’s inner magnetosphere Open
Understanding the motion of charged particles in the electromagnetic field in the inner magnetosphere is essential for space science and space weather. Charge accumulation can occur due to the dipole magnetic and convective electric fields…
View article: Composite Model for Predicting SYM‐H Index
Composite Model for Predicting SYM‐H Index Open
Predicting SYM‐H index is significant in space weather because it quantifies the degree of perturbation of the geomagnetic field during storm. This study presents a composite model to predict SYM‐H index based on solar wind parameters by c…
View article: MESSENGER Observations of Multiple Magnetic Energy Releases during Mercury’s Substorm
MESSENGER Observations of Multiple Magnetic Energy Releases during Mercury’s Substorm Open
Substorms are energy storage and dissipation processes that occur in planetary magnetospheres accompanied by numerous phenomena, such as magnetic dipolarizations, plasma sheet thinning and thickening, magnetic flux ropes, and plasmoid ejec…
View article: Observational Features of Charge distribution in Earth’s Inner Magnetosphere
Observational Features of Charge distribution in Earth’s Inner Magnetosphere Open
Understanding the motion of charged particles in the electromagnetic field in the inner magnetosphere is essential for space science and space weather. Charge accumulation can occur due to the dipole magnetic and convective electric fields…
View article: Study on Sintering Behavior of Reaction-Cured Glass Coating
Study on Sintering Behavior of Reaction-Cured Glass Coating Open
High-emissivity coatings constitute an essential component of reusable thermal protection systems, determining the success or failure of hypersonic spacecraft. Reaction-cured glass coating is the basis for all current high-emissivity coati…
View article: Charge Separations in the Geomagnetosphere
Charge Separations in the Geomagnetosphere Open
<p>Charges and electric currents source the electromagnetic field, and therefore the distribution and motions of charges determine its form. Charge separations may appear in various plasma boundary layers due to the inertia of electr…
View article: Nonlinear Magnetic Gradients and Complete Magnetic Geometry From Multispacecraft Measurements
Nonlinear Magnetic Gradients and Complete Magnetic Geometry From Multispacecraft Measurements Open
Topological configurations of the magnetic field play key roles in the dynamics of space plasmas. This study presents a novel algorithm that can estimate the quadratic magnetic gradient as well as the complete geometrical features of magne…
View article: Magnetic Storms Accompanied with Steady Magnetospheric Convection and Characteristics of the Ring Current during the Storms
Magnetic Storms Accompanied with Steady Magnetospheric Convection and Characteristics of the Ring Current during the Storms Open
In this paper,12 magnetic storms accompanied with Steady Magnetospheric Convection (SMC) were selected from 2001 to 2017 based on our new criterion. It was found that these magnetic storms have the same characteristics: a long main phase u…
View article: The Quadratic Magnetic Gradient and Complete Geometry of Magnetic Field Lines Deduced from Multiple Spacecraft Measurements
The Quadratic Magnetic Gradient and Complete Geometry of Magnetic Field Lines Deduced from Multiple Spacecraft Measurements Open
<p>Topological configurations of the magnetic field play key roles in the evolution of space plasmas. This paper presents a novel algorithm that can estimate the quadratic magnetic gradient as well as the complete geometrical feature…
View article: Magnetic Storms Accompanied with Steady Magnetospheric Convection and Characteristics of the Ring Current during the Storms
Magnetic Storms Accompanied with Steady Magnetospheric Convection and Characteristics of the Ring Current during the Storms Open
参考活跃的磁层稳态对流标准，选取了2001—2017年12个伴随磁层稳态对流的磁暴，研究发现这些磁暴存在以下共性：有长达约10h的漫长主相；其SYM-H存在一个最小值的平台期，约持续3～10h；这些磁暴发生时，部分环电流持续位于昏侧，其持续时间和行星际磁场分量Bz的稳定南向驱动时间相等.此外，这些磁暴发生时，其平台期的环电流离子的寿命为2.4～5.5h，比一般的大磁暴事件中离子寿命长，且其寿命与平台期长短没有明…
View article: Community Detection: a Refined Axiomization and Beyond.
Community Detection: a Refined Axiomization and Beyond. Open
Borgs et al. [2016] investigate the essential requirements for community in preference networks, and defined six axioms on community detection rules (or community functions). Two of these axioms play critical roles in their system, however…
View article: Communities in Preference Networks: Refined Axioms and Beyond
Communities in Preference Networks: Refined Axioms and Beyond Open
Borgs et al. [2016] investigated essential requirements for communities in preference networks. They defined six axioms on community functions, i.e., community detection rules. Though having elegant properties, the practicality of this axi…