閔琦,1972年12月生。物理學(xué)教授,理學(xué)博士。2010年從中國(guó)科學(xué)院聲學(xué)研究所馬大猷先生創(chuàng)立的九室博士畢業(yè),獲理學(xué)博士學(xué)位,方向?yàn)槲锢砺晫W(xué)。現(xiàn)擔(dān)任教育部物理學(xué)教學(xué)專業(yè)指導(dǎo)委員會(huì)西南地區(qū)委員、教育部大學(xué)物理教學(xué)專業(yè)指導(dǎo)委員會(huì)西南地區(qū)委員、紅河學(xué)院學(xué)術(shù)委員會(huì)專業(yè)委員會(huì)委員、紅河學(xué)院工學(xué)院學(xué)術(shù)委員會(huì)委員,同時(shí)擔(dān)任紅河學(xué)院物理學(xué)科學(xué)術(shù)領(lǐng)銜人以及紅河學(xué)院物理系教學(xué)團(tuán)隊(duì)帶頭人。近年來(lái),主持國(guó)家自然科學(xué)基金項(xiàng)目2項(xiàng),參與國(guó)家自然科學(xué)基金項(xiàng)目3項(xiàng)以及中科院三期知識(shí)創(chuàng)新工程重要方向資助項(xiàng)目1項(xiàng),以學(xué)術(shù)領(lǐng)銜人和專業(yè)帶頭人主持紅河學(xué)院學(xué)科建設(shè)、紅河學(xué)院教學(xué)團(tuán)隊(duì)建設(shè)等校級(jí)項(xiàng)目多項(xiàng)。近年來(lái),在國(guó)內(nèi)外物理學(xué)、聲學(xué)知名學(xué)術(shù)期刊如《Journal of the Acoustical Society of America》、《Physics Letters A》、《Applied Acoustics》、《Acoustical Physics》、《聲學(xué)學(xué)報(bào)》、《物理學(xué)報(bào)》等同時(shí)以第一作者和通訊作者發(fā)表SCI、EI學(xué)術(shù)論文近20篇,并擔(dān)任國(guó)內(nèi)外聲學(xué)頂級(jí)期刊《Applied Acoustics》和《聲學(xué)學(xué)報(bào)》審稿人。由科學(xué)出版社出版專著1部,機(jī)械工業(yè)出版社出版教材2部和中國(guó)科技大學(xué)出版社出版教材1部。
圖書(shū)目錄
Contents Chapter 1Stepped Acoustic Resonator with an Abrupt Cross Section
1.1Introduction
1.2Transfer Matrix Method
1.3Experimental Setup
1.4Results
1.4.1Onestep Acoustic Resonator
1.4.2Twostep Acoustic Resonator
1.4.3Multistep Acoustic Resonator
1.5Conclusions
References
Chapter 2Acoustic Resonator with a Gradually Varying Cross Section
2.1Introduction
2.2Gradually Varying Shape and Sound Field
2.2.1Gradually Varying Geometric Shape
2.2.2Sound Field
2.3Transfer Matrix and Resonant Condition
2.3.1Transfer Matrix
2.3.2Resonant Condition
2.4Transfer Function and Phase
2.5Impedance
2.6Conclusions
References
Chapter 3Stepped Acoustic Resonator with a Smooth Transitional Section
3.1Introduction
3.2The Transfer Matrices of the Stepped Acoustic Resonator with a Gradually Varying Crosssectional Area
3.3Transfer Function and Phase
3.4Impedance
3.5Conclusions
References
Chapter 4Largeamplitude Standingwave Fields in the Standingwave Tube with a Uniform Cross Section 4.1Introduction
4.2Experimental Setup
4.3Results and Discussions
4.3.1Transfer Matrix and Resonance Frequencies
4.3.2Largeamplitude Standingwave Field Excited at Peak Resonant Frequencies
4.3.3Largeamplitude Standingwave Field Excited at Valley Resonant Frequencies
4.3.4Variation of the SPL of a Largeamplitude Standingwave Field with the Driving Voltage
4.4Conclusions
References
Chapter 5Largeamplitude Standingwave Fields in the Stepped Standingwave Tube with an Abrupt Cross Section 5.1Introduction
5.2The Stepped Standingwave Tube with Abrupt Cross Section
5.3Results and Discussions
5.3.1Transfer Function and Resonance Frequency
5.3.2Largeamplitude Sandingwave Fields Excited at Peak Resonance Frequencies
5.3.3Largeamplitude Standingwave Fields Excited at Trough Resonance Frequencies
5.3.4Fundamental Wave SPL of the Largeamplitude Standing wave Field Excited at Resonance Frequencies
5.3.5Particle Velocity Peak of the Largeamplitude Standing wave Field Excited at Resonance Frequencies
5.3.6Wave Distortion of the Largeamplitude Standingwave Field Excited at Resonance Frequencies
5.4Conclusions
References
Chapter 6Largeamplitude Standingwave Fields in the Stepped Standingwave Tube with a Tapered Cross Section 6.1Introduction
6.2The Stepped Standingwave Tube with a Tapered Cross Section
6.3Results and Discussions
6.3.1Transfer Function and Resonance Frequency
6.3.2Largeamplitude Sandingwave Fields Excited at Peak Resonance Frequencies
6.3.3Largeamplitude Standingwave Fields Excited at Trough Resonance Frequencies
6.3.4Fundamental Wave SPL of the Largeamplitude Standingwave Field Excited at Resonance Frequencies
6.3.5Particle Velocity Peak of the Largeamplitude Standingwave Field Excited at Resonance Frequencies
6.3.6Wave Distortion of the Largeamplitude Standingwave Field Excited at Resonance Frequencies
6.4Conclusions
References
Chapter 7Comparison of the Generation of Extremely Nonlinear Pure Standingwave Fields in a Standingwave Tube 7.1Introduction
7.2The Standingwave Tube
7.3Sound Pressure Transfer Function
7.4Extremely Nonlinear Standingwave Fields at the First Resonance Frequency
7.4.1Waveform of the Extremely Nonlinear Standingwave Field
7.4.2Development of the Extremely Nonlinear Standingwave Field