2023 annual project guide of the major research plan of electromagnetic energy equipment science foundation under extreme conditions
1.Scientific Objectives
Focus on the electromagnetic energy equipment and its used energy storage dielectric materials and linear propulsion metal materials in the multi-field coupling extreme impact conditions of the constitutive relationship and physical properties of the evolution of material regulation as the basis for the coupling test as a means to long-term service as the goal, to reveal the electromagnetic energy and material interaction of electromagnetic energy and multi-field coupling extreme impact conditions of the electromagnetic and thermal energy and material evolution mechanism, to build a scientific foundation for electromagnetic energy equipment, leading the development and development of electromagnetic energy equipment and the electromagnetic energy equipment in multi-field coupling extreme impact conditions. The researchers will build the scientific foundation of electromagnetic energy equipment, lead the change of electromagnetic energy equipment research and development mode, generate major original innovations, occupy the commanding heights in the field of electromagnetic energy technology, and form a strategic scientific and technological force representing the world’s level of electromagnetic energy technology.
2.Core scientific issues
The core scientific problem of this major research program is: electromagnetic thermal multi-field coupling extreme shock conditions electromagnetic energy and materials interaction in space-time evolution mechanism.
3.Research Directions for Funding in 2023
The electromagnetic energy equipment mentioned in this major research program refers to the equipment that realizes instantaneous high-power conversion between electromagnetic energy and kinetic energy; the extreme conditions mentioned refer to the joint action of multi-field coupling and extreme impact, in which the extreme impact refers to extremely high power, extremely short time (ms level), extremely high current (MA level) and extremely high speed (≥2000m/s), and the multi-field coupling refers to multi-physical coupling under the joint action of electromagnetic thermal force. field strength coupling. The materials for electromagnetic energy equipment described in this year’s major research program focus on linear propulsion metal materials (including tracks and kinematics) and energy storage materials used in electromagnetic energy equipment. 2023 project applications should meet the above qualifications.
（1）Focused Support Projects.
The following directions are to be funded (but not limited to):
1. Physical property evolution mechanism and nonlinear constitutive relationship of materials for linear propulsion electromagnetic energy equipment.
Research on the temporal and spatial evolution laws of each parameter (conductivity, modulus of elasticity, yield strength, elongation, softening temperature, surface hardness, adaptability to the marine environment, etc.) of linear propulsion metal materials (orbital and kinematic body) of electromagnetic energy equipment under extreme conditions; establish the evolution model of the physical property parameters of the linear propulsion metal materials of electromagnetic energy equipment under the multi-field coupling and strong impact under extreme conditions; and set up an index system for evaluating the evolution laws of the various parameters. Indicator system for evaluating the evolution law of each parameter.
2. Damage mechanism and regulation of high-speed current-carrying friction interface of linear propulsion electromagnetic energy equipment.
Facing the extreme conditions of high-speed current friction and wear of electromagnetic energy equipment, carry out research on the interface behavior of high-speed current friction and wear, establish a high-speed current friction and wear model, reveal the formation and evolution mechanism of the interface deposit, and realize the quantitative prediction of the amount of wear under different launching conditions; and carry out the research on the interface damage inhibition strategy, so as to realize the effective regulation and control of the amount of wear.
3. linearly promote the exploration and research of subversive new materials for electromagnetic energy equipment under extreme conditions.
Facing the future development needs of electromagnetic energy equipment, applying frontier technologies such as artificial intelligence and big data, exploring subversive new conceptual materials that can significantly improve key performance, meet the service needs of electromagnetic-thermal multi-field coupling under extreme conditions, and promote the lightweight and long-life of electromagnetic energy equipment. Among them, the energy storage dielectric thin film materials, energy storage density ≥ 8MJ/m³ (covering the voltage range of 2 ~ 10kV), charge and discharge frequency ≥ 20 times / min (millisecond discharge), life ≥ 20,000 times, discharge efficiency ≥ 95% (10kHz range), self-discharge time constant ≥ 1,000s (the highest operating field strength, operating temperature ≥ 80 ℃); linear propulsion materials required yield strength ≥ 750MPa, conductivity ≥ 60% IACS, elongation ≥ 10%, softening temperature ≥ 700 ℃, modulus of elasticity ≥ 120GPa, surface hardness 220-300HV, and aluminum dry friction coefficient of ≤ 0.15, with aluminum-carrying sliding friction coefficient of ≤ 0.02, can be used for large-size preparations (more than 1 ton).
(2) Integration Projects.
The following directions are to be funded:
- high-speed linear propulsion electromagnetic energy equipment pivot rail material performance degradation and real-time in situ diagnosis and evaluation research.
For the demand of reliability and health state evaluation of electromagnetic energy equipment pivot rail materials, starting from the extreme multi-physical field coupling effect of the launching process, carry out in-situ diagnostic technology research on electromagnetic energy materials, and develop methods and devices that can real-time in-situ detection and characterization of key mechanical properties of pivot rails, and the distribution of elemental residues of armature materials (the main performance indexes: yield strength measurement error of ≤ 10%, elemental detection spatial resolution of ≤ 0.1 mm, imaging spatial resolution of ≤ 0.1 mm), and uncovering of the material properties and degradation. mm, imaging spatial resolution ≤0.1mm), reveal the failure mechanism of electromagnetic energy materials under extreme launching conditions (operating speed ≥2000m/s, current-carrying density ≥1010A/m2, strain rate ≥106/s, warming rate ≥105K/s), establish the relationship between the launching conditions and microstructure and mechanical properties of armature materials, and form a physical and data-driven track health state evaluation model and software, and realize the integration and demonstration application in electromagnetic energy equipment.
- research on simulation and in-situ measurement of the evolution process of the physical properties of energy storage dielectric materials and devices under extreme conditions in electromagnetic energy equipment, characterization of the mechanism of performance degradation and performance improvement.
Aiming at the two technical requirements of high energy storage density and long life of energy storage materials for electromagnetic energy equipment, clarify the scientific problems from the structural point of view, realize the simulation loading and process characterization of the extreme conditions of electromagnetic-thermal multi-field coupling of energy storage materials; develop the in-situ measurement method of the physical evolution process of the energy storage materials in service (including the space charge, temperature distribution, stress-strain distribution, electric field distribution, surface topography, etc.) to reveal the physical properties of the storage materials in service under extreme conditions. Reveal the degradation mechanism of physical parameters of energy storage materials in service under extreme conditions, and form a characterization method for the performance of energy storage materials in service under extreme conditions; develop a strategy for improving the performance of energy storage materials across scales (microscopic molecular structure, mesoscopic interfacial structure, and macroscopic structure), break through the key technical indexes of the density and life of existing energy storage materials, and obtain the results of in-kind research with significant performance enhancement, as well as carry out a typical demonstration and validation on electromagnetic energy equipment. Requirements for dielectric material physical indicators are: energy storage dielectric thin film materials, energy storage density ≥ 8MJ/m³ (covering the voltage range of 2 ~ 10kV), charge and discharge frequency ≥ 20 times / min (millisecond discharge), life ≥ 20,000 times, discharge efficiency ≥ 95% (10kHz range), self-discharge time constant ≥ 1,000s (the highest operating field strength, operating temperature ≥ 80 ℃). The physical index requirements of the energy storage element are as follows: charging seconds, discharging milliseconds, energy storage ≥ 1kJ, energy storage density ≥ 4MJ/m³, discharge current per unit of energy storage ≥ 0.5A/J, rated voltage covering the range of 2-20kV, charging and discharging frequency ≥ 20 times/minute (milliseconds discharging), discharging efficiency ≥ 93% (within the range of 10kHz), service life of ≥ 10,000 times (the highest operating voltage, the ambient temperature -40℃~55℃).
Funding Program for FY2023
In FY2023, about 11 key support projects will be funded, with a direct cost funding intensity of about 3 million RMB/item and a funding period of 4 years, and the research period in the application should be from January 1, 2024 to December 31, 2027;
about 2 integrated projects will be funded, with a direct cost funding intensity of about 12 million RMB/item and a funding period of 4 years for 12 million Yuan/item, the funding period is 4 years, and the research period should be from January 1, 2024 to December 31, 2027 in the application form.
- Application Requirements and Notes
(1) Application requirements.
Project applicants should have the following conditions:
- experience in undertaking basic research projects;
- have senior professional and technical positions (titles).
Postdoctoral researchers, those who are studying for postgraduate degrees and those who do not have a work unit or whose work unit is not a supporting unit are not allowed to apply as applicants.
(2) Regulations on limited applications.
The requirements of the “Application Regulations” in the “2023 NSF Program Guidelines” will be implemented.
(3) Notes on application.
The applicant and the supporting organization should read and implement the requirements in the Guidelines, the NSF Program Guidelines for FY2023, and the Notice on Matters Related to the Application and Completion of NSF Programs for FY2023.
- Paperless application is implemented for this major research program project. The date of application submission is from October 26, 2023 to November 1, 2023 at 16:00.
(1) Applicants should fill in and submit the electronic application form and attached materials online in accordance with the instructions and writing outline of the Major Research Scheme projects in the web-based information system of the Science Foundation.
(2) This Major Research Program will closely focus on the core scientific issues, and strategically guide the direction and integrate the strengths of multidisciplinary related research into a project cluster. Based on the core scientific problems to be solved by this major research program and the proposed research directions for funding announced in this guide, applicants should analyze the existing results at home and abroad, identify new breakthrough points and innovative ideas, and formulate their own project titles, scientific objectives, research contents, technical routes and corresponding research funding.
(3) Select “Major Research Program” for the funding category, “Key Support Project” or “Integrated Project” for the sub-category description, and “Extreme Condition Electromagnetic Energy Equipment” for the note description. Select “Scientific Basis of Electromagnetic Energy Equipment for Extreme Conditions” for the subcategory description, and select the corresponding application code according to the specific research content of the application.
No more than 2 cooperative research units shall be allowed for key support projects, and no more than 4 cooperative units shall be allowed for integrated projects.
(4) The applicant shall, in the part of the application form entitled “Basis of the project and research content”, firstly state that the application is in line with the direction of the funded research in the Guidelines of this project, and its contribution to solving the core scientific problems and realizing the scientific objectives of this major research program.
If the applicant has undertaken other science and technology projects related to this Major Research Program, the applicant shall discuss the difference and connection between the application project and other related projects in the “Research Basis and Working Conditions” part of the application. 2.
- The supporting unit shall complete the work of commitment of the supporting unit, organization of the application and examination of the application materials in accordance with the requirements. They should confirm the submission of their electronic application form and attached materials item by item through the information system before 16:00 on November 1, 2023, and submit the list of their project applications online before 16:00 on November 2, 2023.
- Other Notes
(1) In order to realize the overall scientific objectives and multidisciplinary integration of the Major Research Program, the project leader of the funded project should undertake to comply with the regulations on the management and sharing of relevant data and information, and pay attention to the mutual supportive relationship with other projects of this Major Research Program in the process of project implementation.
(2) In order to strengthen the academic exchanges of the projects, and to promote the formation of project clusters and multidisciplinary intersection and integration, this Major Research Program will hold an annual academic exchange meeting of the funded projects, and will organize academic symposiums in related fields from time to time. The person in charge of the funded projects is obliged to participate in the above academic exchange activities organized by the Steering Expert Group and the Management Working Group of this Major Research Program, and to carry out academic exchanges seriously.
- Consultation Method.
Engineering Division V, Department of Engineering and Materials Science
Tel: 010-62328301