NSTL国家科技图书文献中心

1. A modified spring-mass model of low-velocity-impact on composite laminate including shearing deformation at delaminated region and reduction on membrane stiffness NSTL国家科技图书文献中心

Qiao Zhu | Zhefeng Yu - 《International journal of impact engineering》 - 2024,185(Mar.) - 104847.1～104847.12 - 共12页

摘要：A modified spring-mass model for response prediction of composite laminate subjected to destructive large mass impact was developed based on perturbation analysis on membrane stiffness and modified su...

关键词： Destructive large mass impact | Spring-mass model | Perturbation analysis | Subsection superposition method | Transverse shear effect

2. Long-term source apportionment of PM_(2.5) across the contiguous United States (2000-2019) using a multilinear engine model NSTL国家科技图书文献中心

Qiao Zhu | Yang Liu ... - 《Journal of Hazardous Materials》 - 2024,472(Jul.5) - 134550.1～134550.12 - 共12页 - 被引量：2

摘要：Identifying PM_(2.5) sources is crucial for effective air quality management and public health. This research used theMultilinear Engine (ME-2) model to analyze PM_(2.5) from 515 EPA Chemical Speciati...

关键词： PM_(2.5) source apportionment | Emission reductions | Fossil fuel emissions | Air quality policies

3. Optimization of membrane thickness for proton exchange membrane electrolyzer considering hydrogen production efficiency and hydrogen permeation phenomenon NSTL国家科技图书文献中心

Yuxuan Li | Hongkun Li ... - 《Applied energy》 - 2024,355(Feb.1) - 458～465 - 共8页 - 被引量：7

摘要：Reducing the membrane thickness of Proton exchange membrane (PEM) electrolyzer was found to efficiently promote the hydrogen production rate. However, it can also aggravate the phenomenon of hydrogen ...

关键词： Proton exchange membrane electrolyzer | Hydrogen permeation | Hydrogen content on the anode side | Membrane thickness optimization | Varying power input

4. Wide quasi-zero stiffness region isolator with decoupled high static and low dynamic stiffness NSTL国家科技图书文献中心

Wenjun Shi | Weiqun Liu ... - 《Mechanical Systems & Signal Processing》 - 2024,215(Jun.) - 111452.1～111452.17 - 共17页 - 被引量：3

摘要：Quasi-zero stiffness (QZS) isolators can achieve the two goals of relatively high static and low dynamic stiffness (HSLDS). However, the static and dynamic stiffness of most QZS isolators remains coup...

关键词： Quasi-zero stiffness region | Cantilever beam with curve fixture | Vibration isolation | Displacement transmissibility | Dynamic analysis

5. Power System Capacity Expansion Considering Electric Hydrogen Production and Hydrogen Mixed Gas Turbines NSTL国家科技图书文献中心

Yapei Wang | Jiajun Lv ... - 《2024 4th Power System and Green Energy Conference,[v.1]》 - Power System and Green Energy Conference - 2024, - 1194～1198 - 共5页

摘要：Hydrogen has the characteristics of zero pollution and easy conversion, which is significant to realize the low-carbon transformation of the energy system. At present, the method to improve the flexib...

关键词： Renewable energy sources | Hydraulic turbines | Thermal expansion | Costs | Electricity | Hydrogen | Power system dynamics | Production | Wind power generation | Investment

6. Optimal Dispatch of Integrated Electricity and Heat Systems Considering Hydrogen Mixed Gas Turbines NSTL国家科技图书文献中心

Yi Feng | Jiajun Lv ... - 《2024 4th Power System and Green Energy Conference,[v.1]》 - Power System and Green Energy Conference - 2024, - 732～736 - 共5页

摘要：Compared to traditional energy sources, hydrogen energy has the benefit of being highly efficient, flexible and low in carbon dioxide. To fulfil the requirements of the green low-carbon energy system,...

关键词： Couplings | Hydraulic turbines | Costs | Cogeneration | Hydrogen | Optimal scheduling | Production | Wind power generation | Electrochemical processes | Resistance heating

7. Self-weight utilization harvester oriented to low-frequency gait for human health monitoring and assistive training NSTL国家科技图书文献中心

Yuming Huang | Junchao Zhuo ... - 《Mechanical Systems & Signal Processing》 - 2024,220(Nov.) - 111643.1～111643.17 - 共17页

摘要：The mechanical energy generated during human daily activities holds the potential as a viableenergy source for health monitoring and assistive devices. However, the vibrational energygenerated from hu...

关键词： Spiral-spring harvester | Without additional burden | Self-weight utilization approach | Passive exoskeleton

8. Microstructure, Mechanical, and Tribological Properties of CoCrFeNi-Ag-Mo Self-lubricating Composite NSTL国家科技图书文献中心

Gao Zhongtang | Sun Bei ... - 《Journal of Materials Engineering and Performance》 - 2024,33(4) - 1704～1717 - 共14页 - 被引量：2

摘要：A CoCrFeNi-Ag-Mo self-lubricating composite was fabricated by spark plasma sintering. The effect of Ag and Mo addition on the microstructure, mechanical and tribological properties of CoCrFeNi high en...

关键词： Ag2MoO4 | composites | high entropy alloy | high temperature | mechanical properties | self-lubricating

9. Rate-Splitting Multiple Access in Multi-Cell Dense Networks: A Stochastic Geometry Approach NSTL国家科技图书文献中心

Qiao Zhu | Zhihong Qian ... - 《IEEE Transactions on Vehicular Technology》 - 2023,72(12) - 15844～15857 - 共14页 - 被引量：1

摘要：In this article, the potential benefits of applying the Rate-Splitting Multiple Access (RSMA) in multi-cell dense networks are explored. Using tools of stochastic geometry, the sum-rate of RSMA-enhanc...

关键词： NOMA | Geometry | Multiaccess communication | Stochastic processes | Measurement | Downlink | Optimization | Spectral efficiency | Energy efficiency

10. A novel battery health indicator and PSO-LSSVR for LiFePO4 battery SOH estimation during constant current charging NSTL国家科技图书文献中心

Junxiong Chen | Yuanjiang Hu ... - 《Energy》 - 2023,282(Nov.1) - 128782.1～128782.13 - 共13页 - 被引量：12

摘要：Efficient battery health indicator (HI) extraction and accurate estimation method are two important issues inthe study of battery state of health (SOH) estimation. Although machine learning-based meth...

关键词： State of health estimation | LiFePO_4 battery | Health indicator extraction | Least squares support vector regression | Particle swarm optimization