Search | Engineering

Subscribe Submit

Home Journals Focus Achievement Fronts About Us 中文版

Resource Type

Journal Article 841

Conference Videos 32

Conference Information 2

Year

2024 1

2023 52

2022 71

2021 70

2020 48

2019 59

2018 37

2017 49

2016 38

2015 42

2014 32

2013 35

2012 30

2011 35

2010 44

2009 46

2008 35

2007 37

2006 26

2005 12

open ︾

Keywords

design 29

optimization 11

construction 9

multi-objective optimization 9

Additive manufacturing 7

Three Gorges Project 7

acoustic emission 7

genetic algorithm 7

robust design 7

design optimization 6

optimization design 6

simulation 6

Machine learning 5

numerical simulation 5

seismic design 5

3D printing 4

conceptual design 4

design parameters 4

process design 4

open ︾

Search scope:

排序： Display mode:

Design of a piezoelectric transducer cylindrical phase modulator for simulating acoustic emission signals

HE Cunfu, HANG Lijun, WU Bin

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3, Pages 370-373 doi: 10.1007/s11465-007-0065-z

Abstract: To conveniently carry out the pipeline leak experiment in a laboratory, leak acoustic signals are simulatedResults prove that the PZT cylindrical phase modulator can effectively simulate leak acoustic emission

Keywords： KHz numerical simulation modulator cylindrical PZT

HTML PDF Collect

Augmentation of natural convective heat transfer by acoustic cavitation

Jun CAI, Xiulan HUAI, Shiqiang LIANG, Xunfeng LI,

Frontiers in Energy 2010, Volume 4, Issue 3, Pages 313-318 doi: 10.1007/s11708-009-0064-3

Abstract: An experimental study was conducted to investigate the effects of acoustic cavitation on natural convectiveThe experimental results indicated that heat transfer could be enhanced by acoustic cavitation and had

Keywords： heat transfer enhancement augmentation acoustic cavitation acoustic streaming convective heat transfer

HTML PDF Collect

Acoustic fault signal extraction via the line-defect phononic crystals

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1, Pages 10-10 doi: 10.1007/s11465-021-0666-y

Abstract: The defect band, namely, the formed resonance band of line-defect PCs enables the incident acoustic wave

Keywords： phononic crystals line-defect fault signal extraction acoustic enhancement

HTML PDF Collect

Experimental study on wire breakage detection by acoustic emission

Limin SUN, Ji QIAN

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 4, Pages 503-509 doi: 10.1007/s11709-011-0132-8

Abstract: This paper experimentally investigated wire breakage detection in a steel cable by acoustic emission

Keywords： acoustic emission (AE) waveform wire breakage attenuation factor wave velocity

HTML PDF Collect

Simulation and experimental improvement on a small-scale Stirling thermo-acoustic engine

Mao CHEN,Yonglin JU

Frontiers in Energy 2016, Volume 10, Issue 1, Pages 37-45 doi: 10.1007/s11708-015-0390-6

Abstract: Compared with the traditional engines, the thermo-acoustic engines are relatively new and can act asIn this paper, the influence of the dimensions of the main parts of the small-scale Stirling thermo-acousticBased on the numerical simulation, a small-scale Stirling thermo-acoustic engine were constructed and

Keywords： thermo-acoustic Stirling engine small-scale simulation experiment

HTML PDF Collect

Acoustic characteristics of bi-directional turbines for thermoacoustic generators

Dongdong LIU, Yanyan CHEN, Wei DAI, Ercang LUO

Frontiers in Energy 2022, Volume 16, Issue 6, Pages 1027-1036 doi: 10.1007/s11708-020-0702-3

Abstract: A general expression for the acoustic characteristics of the bi-directional turbine was proposed basedThe turbine in the oscillating flow was treated in a lumped-parameter model to extract the acoustic impedanceThe key acoustic impedance characteristic of the turbine was the resistance and inertance due to complex

Keywords： thermoacoustic power generator acoustic characteristics bi-directional impulse turbine energy conversion

HTML PDF Collect

Research on acoustic-structure sensitivity using FEM and BEM

ZHANG Jun, ZHAO Wenzhong, ZHANG Weiying

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1, Pages 62-67 doi: 10.1007/s11465-007-0010-1

Abstract: Acoustic-structure sensitivity is used to predict the change of acoustic pressure when a structure designThe dynamic response and response velocity sensitivity with respect to structure design variable werecarried out by using structural FEM, the acoustic response and acoustic pressure sensitivity with respectThen, acoustic-structure sensitivity was computed by linking velocity sensitivity in FEM and acousticHz, and its change rule along with stimulating frequency and design variable were analyzed.

Keywords： sensitivity method BEM acoustic pressure pressure sensitivity frequency

HTML PDF Collect

Acoustic emissions evaluation of the dynamic splitting tensile properties of steel fiber reinforced concrete

Frontiers of Structural and Civil Engineering Pages 1341-1356 doi: 10.1007/s11709-023-0988-4

Abstract: The dynamic splitting tensile damage characteristics were evaluated using acoustic emission (AE) parameter

Keywords： steel fiber reinforced concrete freeze–thaw cycling Brazilian disc splitting test acoustic emissiontechnique dynamic splitting tensile acoustic emission properties

HTML PDF Collect

evolution behavior of polypropylene fiber reinforced concrete subjected to sulfate attack based on acoustic

Ninghui LIANG; Jinwang MAO; Ru YAN; Xinrong LIU; Xiaohan ZHOU

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3, Pages 316-328 doi: 10.1007/s11709-022-0810-8

Abstract: reinforced concrete (PFRC) subjected to sulfate attack, a uniaxial compression test was carried out based on acoustic

Keywords： polypropylene fiber reinforced concrete sulfate attack damage evolution behavior acoustic emission

HTML PDF Collect

The Post Occupancy Evaluation for the Auditorium of Shanghai Grand Theater

Li Daozeng,Xu Jin

Strategic Study of CAE 2001, Volume 3, Issue 1, Pages 15-21

Abstract: This paper is only a part of their researches, focussing their attention on briefly introducing the designintentions of the auditorium in terms of technological aspect, such as sight-line design, noise levelcontrol, acoustic design, the collected acoustic parameters measured from different points within the

Keywords： auditorium sight-line design noise level control acoustic design the removable sound canopy the alternative

HTML PDF Collect

Accumulated damage process of thermal sprayed coating under rolling contact by acoustic emission technique

Jia XU,Zhen-yu ZHOU,Zhong-yu PIAO

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3, Pages 227-232 doi: 10.1007/s11465-016-0395-9

Abstract: Acoustic emission (AE) technique was introduced to monitor the RCF process of the coatings.

Keywords： accumulated damage spray coating rolling contact fatigue acoustic emission

HTML PDF Collect

Perspective: Acoustic Metamaterials in Future Engineering Perspective

Qiangbing Lu, Xin Li, Xiujuan Zhang, Minghui Lu, Yanfeng Chen

Engineering 2022, Volume 17, Issue 10, Pages 22-30 doi: 10.1016/j.eng.2022.04.020

Abstract:

Acoustic metamaterials (AMMs) are a type of artificial materials thaton their future engineering, especially in the most promising fields of sound absorption/isolation, acoustic

Keywords： Acoustic metamaterials Sound absorption/isolation Acoustic imaging Engineering application

HTML PDF Collect

Application of Wavelet Transform to Acoustic Radiation and Scattering

Wen Lihua,Ren Xingmin

Strategic Study of CAE 2002, Volume 4, Issue 8, Pages 63-68

Abstract:

Traditional boundary element methods with a full matrix equation for acoustic problems, have beenIn this paper, the new wavelet approaches have been presented for solving acoustic radiation and scattering, and structural-acoustic coupling.a basis of the orthogonal wavelets on the interval, and a wavelet spectral formulation for solving acousticThe new technique was employed to investigate the underwater acoustic radiation from a complicate structure

Keywords： wavelet analysis acoustic radiation and scattering structural-acoustic coupling frequency iteration

HTML PDF Collect

Fatigue features study on the crankshaft material of 42CrMo steel using acoustic emission

Yue SHI,Lihong DONG,Haidou WANG,Guolu LI,Shenshui LIU

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3, Pages 233-241 doi: 10.1007/s11465-016-0400-3

Abstract: In this paper, acoustic emission (AE) technology and machine vision are used to monitor the four-point

Keywords： acoustic emission fatigue failure remanufacturing crankshaft wavelet analysis

HTML PDF Collect

Modal analysis of acoustic leak signal in pipelines using time-frequency analysis

JIAO Jing-pin, FEI Ren-yuan, HE Cun-fu, WU Bin

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2, Pages 146-150 doi: 10.1007/s11465-006-0013-3

Abstract: It is important to analyze the propagation characteristics of guided waves in acoustic leak locationIn this paper, the acoustic leak signal is analyzed in the time-frequency domain.Based on the relation of time-frequency distribution of the acoustic leak signal and the dispersion curvesof guided waves, the mode components of acoustic leak signals were obtained.

Keywords： dispersion selection guided research time-frequency