Present the H- -formulation implemented in COMSOL Multiphysics to model various superconductor applications. Comparison of accuracy and computation times with the H-formulation. The problem of multiply connected domains in the H- -formulation will be briefly introduced as well as a simple solutions implementable in COMSOL. Outline.
اقرأ أكثرThe superconducting magnet energy storage (SMES) has become an increasingly popular device with the development of renewable energy sources. The power fluctuations they produce in energy systems must be compensated with the help of storage devices. A toroidal SMES magnet with large capacity is a tendency for storage energy …
اقرأ أكثرsuperconductors with COMSOL Multiphysics. We discuss the two models we utilized for this purpose: a 2-D model based on solving Maxwell equations and a 1-D model for …
اقرأ أكثرHigh-temperature superconducting (HTS) maglev, owing to its unique self-stability characteristic, has a wide range of application prospect in flywheel energy storage, magnetic levitation bearing, rail transportation, and other fields.
اقرأ أكثرAbstract: Superconducting accelerator magnets are a cutting-edge technology and require sophisticated monitoring and means of protection, in case superconductivity is lost during operation. Numerical simulations play a crucial role in understanding transient phenomena occurring within the magnet, helping in the prevention of potentially ...
اقرأ أكثرalysis on Solenoidal High Temperature Superconducting Magnet using COMSOL MultiPhysics®Abhin. ering, Lovely Professional University, Punjab, India.Email: drabhinav@ieee AbstractSuperconducting tapes are one of the advanced materials which show their candidacy in almost every electrical engineering applications starting …
اقرأ أكثرHigh-temperature superconducting (HTS) maglev, owing to its unique self-stability characteristic, has a wide range of application prospect in flywheel energy storage, magnetic levitation bearing, rail transportation, and other fields. As the important foundation of the engineering application, researches on the dynamic characteristics of HTS maglev …
اقرأ أكثرModeling and Simulation of Ice based Latent Heat Thermal Energy Storage. Latent Heat Thermal Energy Storage (LHTES) systems utilize a Phase Change Material (PCM) for storing Latent Heat Energy to be used for a variety of applications like Solar Thermal based Air Conditioning to handle the heating and cooling demands of buildings during peak hours.
اقرأ أكثرSIGMA model generation tool. Java‐based tool for automatically generating simulation models of accelerator magnets. Generates simulation models (Comsol), with correct geometry, material properties, and physics. Allows for interface with other typical tools used for simulation magnet, such as the Roxie magnet design tool.
اقرأ أكثرMagnetic fields between a permanent magnetic flywheel ring and a superconducting bearing are simulated using COMSOL Multiphysics and compared to analytical results. …
اقرأ أكثرModeling of Electrodynamics in High Temperature Superconducting Magnets with COMSOL Multiphysics®. Future particle accelerators for high-energy physics could possibly rely on 20+ Tesla dipole magnetic fields in order to bend the beams in circular orbits. The advantage of increasing the magnetic field is twofold: particles collisions are ...
اقرأ أكثرThe second-generation (2G) high-temperature superconducting (HTS) coated conductors (CC) are increasingly used in power systems recently, especially in large-capacity superconducting magnetic energy storage (SMES). HTSCC in superconducting energy storage coil is subjected to thermal stress which is caused by thermal contraction …
اقرأ أكثرAbstract and Figures. Magnetic fields between a permanent magnetic flywheel ring and a superconducting bearing are simulated using COMSOL Multiphysics and compared to analytical results. The flux ...
اقرأ أكثرIntroduction. Ice Thermal Energy Storage is a form of Latent Heat Thermal Energy Storage in which water is used as the Phase Change Material, which undergoes phase transformation during charging and discharging periods of operation. Present study is focused on the phase change simulation using CFD analysis for the 2D model …
اقرأ أكثرseasonal thermal energy storage systems (i.e. hot - water tanks and pits) which volumes range between (100,000 m3 Figure and 2,000,000 m3). Therefore, simulation-based analyses play a key role to provide the optimal planning layout and reduce the risks
اقرأ أكثرAbstract The results of numerical simulation of the characteristics of a superconducting CORC cable under synchronous cyclic loading by electric current and magnetic field under liquid neon cooling are presented. Distributions of the magnetic field and currents in the system, mechanical stresses and deformations, and energy losses …
اقرأ أكثرDesign optimization of a microsuperconducting magnetic energy storage system. In order to improve the solution of the objective weighting method, the results given by the evolution strategy algorithm are used as the starting point of a deterministic method (standard SQP method). Expand.
اقرأ أكثرThe 11 T superconducting dipole is a magnet type that utilizes the Nb3Sn superconductor. A number of these magnets will replace NbTi-based main dipoles that hold the beam in their circular trajectory during operation. To understand the behaviour of these magnets during a quench, a special magnet model is prepared in Comsol (R) using the Sigma ...
اقرأ أكثرImproving the performance of superconducting magnetic bearing (SMB) is very essential problem to heighten the energy storage capacity of flywheel energy storage devices which are built of components such as superconductor bulks, permanent magnets, flywheel ...
اقرأ أكثرNumerical simulation of the circuit in Fig. 10.2 is well suited for SPICE [] circuit solvers or coupled to geometries in multiphysics codes such as COMSOL. Footnote 1 The RCSJ model is an intuitive model for the behavior of a Josephson junction with an applied dc or ac drive current, though it is not as suitable for superconducting qubit design and simulation.
اقرأ أكثرThe final goal of the project is to propose a multiphysics model (electromechanical, microwave and superconducting) of these tunable capacitances. In the first section, the MEMS fabrication process is described. In the second one, measurements of capacitance value versus the voltage characteristic C(V) are compared with a simple capacitance model.
اقرأ أكثرThis paper presents the electromagnetic analysis of an all-superconducting synchronous electric machine, focusing on AC loss calculations in high temperature superconducting (HTS) coils. The numerical analyses of two 3D models are shown, including the model of the machine and its HTS stator coils. The models use the H-formulation based on a B ...
اقرأ أكثرOur modelling activity comprised the simulation of flux density of a typical SMES cylindrical hybrid-coil whose outer coil is made of LTS Nb-Ti (niobium-titanium) and the insert coil is made of HTS Bi-2212 material. The schematic diagram of the coil structure is shown in Figure 2. Here the width of the HTS Bi-2212 insert coil tape is chosen to ...
اقرأ أكثرThe authors have built a 2 kW/28.5 kJ superconducting flywheel energy storage system (SFESS) with a radial-type high-temperature superconducting bearing (HTSB). Its 3D dynamic electromagnetic behaviours were investigated based on the H-method, showing the non-uniform electromagnetic force due to unevenly distributed …
اقرأ أكثرAccepted Jul 30, 2015. This paper aims to model the Superconducting Magnetic Energy Storage. System (SMES) using various Power Conditioning Systems (PCS) such as, Thyristor based …
اقرأ أكثرObviously, the energy storage variable is usually positive thanks for it is unable to control the SMES system by itself and does not store any energy, it can be understood that the DC current is usually positive. Thus, the energy storage variable is usually positive for a finite maximum and minimum operating range, namely, expressing …
اقرأ أكثرJune 26, 2024. Fusion energy has long been sought after for its potential to deliver carbon-free and scalable commercial power. Commonwealth Fusion Systems (CFS), a fusion energy startup and spinoff of the Massachusetts Institute of Technology (MIT), has showcased the potential of high-temperature superconductor (HTS) magnets and high …
اقرأ أكثر1. Introduction. Thermal energy storage (TES) can refer to a number of technologies that store energy in a thermal reservoir for later use. They can be employed to balance energy demand on a daily basis, between day time and night time, which will be primordial for wide scale use of solar energy [1]; or balance energy, through long term storage ...
اقرأ أكثرSimulation of Flux Density in a Hybrid Coil Superconducting Magnetic Energy Storage Using COMSOL Multiphysics. S. Roy, G. Konar. Published 2012. Engineering, Physics. …
اقرأ أكثرFig. 1 Components of flywheel energy storage systems. Numerical simulations were carried out by finite element method using COMSOL Multiphysics version 5.2 program [22].
اقرأ أكثرDOI: 10.1016/j.physc.2023.1354305 Corpus ID: 261634240 Simulation on modified multi-surface levitation structure of superconducting magnetic bearing for flywheel energy storage system by H-formulation and Taguchi method @article{Jo2023SimulationOM, title ...
اقرأ أكثرSimulation of Electro-Thermal Transients in Superconducting Accelerator Magnets with COMSOL Multiphysics ® L. Bortot 1, M. Maciejewski1,2, M. Prioli, A.M. Navarro1, S. Schöps3, 5 Propagation! The stored energy in the magnet is released as Ohmic losses: 7
اقرأ أكثرSimulation of Flux Density in a Hybrid Coil Superconducting Magnetic Energy Storage Using COMSOL Multiphysics S. Roy*1, G. Konar1 Jadavpur University ... Author: Neal Potter 12 downloads 0 Views 706KB Size
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