An Accurate Electro-Thermal Coupling Model of a GaAs HBT Device under Floating Heat Source Disturbances [PDF]
Micromachines, 2023 Taking into consideration the inaccurate temperature predictions in traditional thermal models of power devices, we undertook a study on the temperature rise characteristics of heterojunction bipolar transistors (HBTs) with a two-dimensional cross ...
Xiaohong Sun +4 more
doaj +4 more sources
Engineering Reports, 2023 With the enhancement of the coupling degree and interaction of the electro‐thermal integrated energy system, the fault propagation characteristics under multi‐time scale characteristics become more complex, which may trigger cascading failures and affect
Jian Tang +4 more
doaj +2 more sources
Electro-Thermal-Mechanical Multiphysics Coupling Failure Analysis Based on Improved IGBT Dynamic Model [PDF]
IEEE Access, 2019 Failure of the power device can have a very large impact on the entire power circuit. IGBT as the main power device, ensuring its reliability becomes more and more important.
Jianbo Zhou +5 more
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Multiscale Modeling of Thermo–Electro–Mechanical Coupling of BGA Solder Joints in Microelectronic Systems of Ruggedized Computers for Signal Integrity Analysis [PDF]
MicromachinesRuggedized computers are the core of modern communication, guidance, control, and data-processing systems, and typically operate under extreme environmental conditions. However, under extreme service conditions such as temperature cycling, vibration, and
Pan Li +7 more
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Thermally Programmable Two‐Port Non‐Hermitian Acoustic Metastructure for Broadband and Direction‐Dependent Absorption [PDF]
Advanced ScienceA thermally programmable two‐port non‐Hermitian acoustic metastructure is proposed to realize broadband and direction‐dependent sound absorption by exploiting temperature as a non‐geometric air‐property tuning variable.
Zichao Guo +6 more
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International Journal of Lightweight Materials and Manufacture, 2022 Hot stretch bending (HSB) was an advanced manufacturing process for fuselage structure of aircraft. In this work, U shaped titanium extrusion hot stretch bending was investigated by applying numerical and experimental approaches. Hot uniaxial tension was
Baosheng Liu +3 more
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IEEE Access, 2021 The accuracy of the power flow calculation results of a traction network is closely related to the impedance parameters of the transmission wires of the network, and such parameters change dynamically under the influence of current and geographical and ...
Lijun Sun +5 more
doaj +1 more source
Structure Optimization of UHV RIP Oil-SF6 bushings Based on Improved Equal Margin Design Method and Back-Propagation Neural Network [PDF]
E3S Web of Conferences, 2021 Equal margin design method based on the classic analytic formula is widely used in development of extra-high voltage bushing products, and its effectiveness and practicality have been fully validated.
Shiling Zhang
doaj +1 more source
Frontiers in Energy Research, 2021 Heating network constraint is one of the important factors that affect the scale of electro-thermal coupling scheduling. This paper first establishes an electrothermal coupling scheduling model considering the multi-source ring heating network pipe ...
Jing Ye +4 more
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Observation and interpretation of motional sideband asymmetry in a quantum electro-mechanical device [PDF]
, 2014 Quantum electro-mechanical systems offer a unique opportunity to probe quantum noise properties in macroscopic devices, properties which ultimately stem from the Heisenberg Uncertainty Principle.
Clerk, A. A. +6 more
core +8 more sources