基底几何非线性对d形截面钝体混合驰骋能量采集器性能的影响。

IF 3.9 2区 综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES
Lin Sun, Zhaomin Song, Xiaopei Liu
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引用次数: 0

摘要

研究了基板几何非线性对垂直排列的d形截面钝体混合驰骋能量采集器平均输出功率的影响。应用哈密顿原理推导了能量采集器的几何非线性基板模型。然后,将所建立的基于几何非线性基板的同步驰骋和基板激励模型与基于几何线性基板的数值模拟模型进行了深入的比较研究。两种模型不仅在能量收集方面存在显著差异,而且在单周期振动、多周期振动甚至混沌振动等动力学行为方面也存在显著差异。本文的研究将有助于将衬底几何非线性应用于所研究的混合能量收集器的宽带同步能量收集。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Influence of substrate geometric nonlinearity on the performance of a hybrid galloping energy harvester with D-shape-sectioned bluff body.

The research focuses on the influence of substrate geometric nonlinearity on the average output power of a hybrid galloping energy harvester with a vertically aligned D-shape-sectioned bluff body. Hamilton's principle is applied to derive the geometrically-nonlinear-substrate-based model of the energy harvester. Then, a thorough comparison study is presented, between the established geometrically-nonlinear-substrate-based model for concurrent galloping and base excitation, and a geometrically-linear-substrate-based one in numerical simulation. The significant differences between the two models, not only discovered in energy harvesting but also in dynamic behaviors including single periodic vibrations, multi-periodic vibrations and even chaotic vibrations, are analyzed and inter-related. The present research will contribute to the application of substrate geometric nonlinearity in enhancing broadband concurrent energy harvesting for the investigated hybrid energy harvester.

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来源期刊
Scientific Reports
Scientific Reports Natural Science Disciplines-
CiteScore
7.50
自引率
4.30%
发文量
19567
审稿时长
3.9 months
期刊介绍: We publish original research from all areas of the natural sciences, psychology, medicine and engineering. You can learn more about what we publish by browsing our specific scientific subject areas below or explore Scientific Reports by browsing all articles and collections. Scientific Reports has a 2-year impact factor: 4.380 (2021), and is the 6th most-cited journal in the world, with more than 540,000 citations in 2020 (Clarivate Analytics, 2021). •Engineering Engineering covers all aspects of engineering, technology, and applied science. It plays a crucial role in the development of technologies to address some of the world''s biggest challenges, helping to save lives and improve the way we live. •Physical sciences Physical sciences are those academic disciplines that aim to uncover the underlying laws of nature — often written in the language of mathematics. It is a collective term for areas of study including astronomy, chemistry, materials science and physics. •Earth and environmental sciences Earth and environmental sciences cover all aspects of Earth and planetary science and broadly encompass solid Earth processes, surface and atmospheric dynamics, Earth system history, climate and climate change, marine and freshwater systems, and ecology. It also considers the interactions between humans and these systems. •Biological sciences Biological sciences encompass all the divisions of natural sciences examining various aspects of vital processes. The concept includes anatomy, physiology, cell biology, biochemistry and biophysics, and covers all organisms from microorganisms, animals to plants. •Health sciences The health sciences study health, disease and healthcare. This field of study aims to develop knowledge, interventions and technology for use in healthcare to improve the treatment of patients.
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