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Acoustic Properties of Absorbing Materials
| Acoustic Properties of Absorbing Materials |
| Autore | Piana Edoardo |
| Pubbl/distr/stampa | Basel, : MDPI - Multidisciplinary Digital Publishing Institute, 2022 |
| Descrizione fisica | 1 electronic resource (204 p.) |
| Soggetto topico |
Technology: general issues
History of engineering & technology |
| Soggetto non controllato |
hollow perforated spherical structure with extended tubes
low frequency sound absorption melamine foam wideband sound absorber speech clarity bass ratio sound absorption reverberation time acoustics aerogels modeling fiber porous materials acoustic measurements sound absorption coefficient cement-based materials building materials pervious concrete acoustic concrete household end-of-life materials building retrofitting sound insulation vulnerable houses circular economy egg-box cardboard textile waste reuse shunted loudspeaker optimal sound absorption fully exhaustive method steel industry by-products sound reduction index granular materials inverse method cross laminated timber impact noise rubber ball sustainable timber perforated plate stepwise apertures low frequency membranes measurement method transmission loss simulations experiment scattering effect diffusion coefficient reflecting panels QRD ISO 17497 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910580214203321 |
Piana Edoardo
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| Basel, : MDPI - Multidisciplinary Digital Publishing Institute, 2022 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Advances in Architectural Acoustics
| Advances in Architectural Acoustics |
| Autore | Papadakis Nikolaos M |
| Pubbl/distr/stampa | Basel, : MDPI - Multidisciplinary Digital Publishing Institute, 2022 |
| Descrizione fisica | 1 electronic resource (356 p.) |
| Soggetto topico |
Research & information: general
Mathematics & science |
| Soggetto non controllato |
acoustic measurements
impulse response measurements omnidirectional source dodecahedron acoustic parameters sound source reverberation time ISO 3382 auralization sound absorption perforated panels micro-perforated panels resonant absorbers frequency domain PUFEM room acoustics wave-based method discretization error explicit method finite element method high order scheme room acoustic simulations time domain shoebox concert hall diffusive surfaces diffusers location acoustical parameters variable acoustics subjective investigation acoustics opera house intangible cultural heritage open-air ancient theatres ISO 3382-1 firecrackers building acoustics sound absorption coefficient prediction models supervised learning method worship space acoustics acoustics simulation acoustic heritage archaeo-acoustics acoustic subspaces FDTD simulation speech intelligibility open-plan offices spatial decay ISO 3382-3 room absorption office noise speech calculation models absorption scattering airflow resistivity long space coherent image source method sound-absorbing boundary sound field modeling scale-model experiment reflection power room response directional decay rates room modes eigenbeam processing spatial correlation concert hall acoustics lateral reflections shoebox typology spatial impression perception thresholds skeletal reflections reflection sequence seat dip effect seat height seat spacing mechanism |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910580206703321 |
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Papadakis Nikolaos M
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| Basel, : MDPI - Multidisciplinary Digital Publishing Institute, 2022 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Advances in Rotating Electric Machines
| Advances in Rotating Electric Machines |
| Autore | Cruz Sérgio |
| Pubbl/distr/stampa | Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2020 |
| Descrizione fisica | 1 electronic resource (486 p.) |
| Soggetto topico | History of engineering & technology |
| Soggetto non controllato |
core saturation
cross-coupling inductance wound synchronous machines (WSM) signal injection position sensorless high-frequency model hybrid permanent magnet interior permanent magnet (IPM) machine magnet-axis-shifted reluctance torque Sensorless induction motors H_infinity drives vector control experimental implementation direct torque control duty cycle control harmonic currents six-phase induction motor torque ripple interior permanent magnet synchronous motor (IPMSM) sensorless control adaptive algorithm super-twisting sliding mode observer (STO) phase-locked loop (PLL) permanent-magnet vernier machine in-wheel direct-drive outer rotor overhang soft magnetic composite reaction sphere spherical motor structural design torque density optimization support vector machines finite element method induction motor smart-sensor stray flux time-frequency transforms wavelet entropy harmonic modeling method magnetic-geared machine hybrid electric vehicle magnetic field electromagnetic performance analytical modeling brushless DC motor commutation torque ripple back electromotive force multiphase machines fault-tolerance dual-channel brushless direct current motor with permanent magnet (BLDCM) switched reluctance motor (SRM) active flux stator flux observation super-twisting sliding-mode stator flux observer (STSMFO) deep-bar effect mathematical model estimation motor drives direct torque control (DTC) permanent magnet synchronous motor (PMSM) maximum torque per ampere (MTPA) operation DTC with space-vector modulation (DTC-SVM) AFPMSM analytical algorithm vibration noise temperature field analysis SynRM irreversible demagnetization PMa-SynRM flux intensifying deadbeat current control PMSM servo motor drives auto tuning parameter identification periodic controller surface permanent magnet synchronous motor fault-tolerant system multi-channel quad-channel operation (QCO) triple-channel operation (TCO) dual-channel operation (DCO) single-channel operation (SCO) permanent magnet brushless direct current motor BLDCM double Fourier analysis current spectrum decomposition eddy current loss permanent magnet machine design cogging torque permanent magnet machine uneven magnets IPMSM uncertainty and disturbance estimator flux-weakening control double-cage induction motor improvement of motor reliability cage winding constructions direct start-up coupled electromagnetic-thermal model outer rotor inductor electric vehicle high-efficiency eco-friendly automation finite element analysis PMSM DOE optimization metamodeling adaptive robust control energy feedback particle swarm optimization torque optimal distribution method multiphase electric drives six-phase machines finite control set model predictive control predictive current control predictive torque control high frequency square-wave voltage interior permanent-magnet synchronous motor (IPMSM) magnetic polarity detection rotor position estimation characteristics analysis fault detection stator fault rotor fault torque estimation finite control set mode predictive control duty cycle maximum torque per ampere permanent magnet synchronous motor acoustics boundary element method electric machines magneto-mechanics modeling noise vibro-acoustics efficiency line-start synchronous reluctance motor permanent magnet power factor multiphase induction motor space harmonics time harmonics injection high-speed permanent synchronous motor magnetic field characteristic iron loss stator structure online parameters estimation permanent magnet synchronous machines synchronous reluctance machines high frequency signal injection CMV modulation techniques PWM railway traction drives induction motor drives high-speed drives overmodulation and six-step operation electrical motors sot filling factor optimization algorithm windings magnetic wire filling factor optimization electric drive transmission shaft electric transmission line electrical and mechanical similarities kinematic structure equivalent circuit mathematical modelling failure detection diagnosis BLDC brushless systematic review rotor position BLDC motor sensor misalignment sizing methodology electrical machines thermal model electromagnetic model switched reluctance motor torque sharing functions firing angle modulation autonomous systems brushless synchronous generator electric power generation high speed generator high resistance connection fault-detection fault-tolerant control six-phase permanent magnet synchronous machines field-oriented control |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910674057703321 |
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Cruz Sérgio
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| Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2020 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Advances in Rotating Electric Machines : Volume 2
| Advances in Rotating Electric Machines : Volume 2 |
| Autore | Cruz Sérgio |
| Pubbl/distr/stampa | Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2020 |
| Descrizione fisica | 1 electronic resource (398 p.) |
| Soggetto topico | History of engineering & technology |
| Soggetto non controllato |
core saturation
cross-coupling inductance wound synchronous machines (WSM) signal injection position sensorless high-frequency model hybrid permanent magnet interior permanent magnet (IPM) machine magnet-axis-shifted reluctance torque Sensorless induction motors H_infinity drives vector control experimental implementation direct torque control duty cycle control harmonic currents six-phase induction motor torque ripple interior permanent magnet synchronous motor (IPMSM) sensorless control adaptive algorithm super-twisting sliding mode observer (STO) phase-locked loop (PLL) permanent-magnet vernier machine in-wheel direct-drive outer rotor overhang soft magnetic composite reaction sphere spherical motor structural design torque density optimization support vector machines finite element method induction motor smart-sensor stray flux time-frequency transforms wavelet entropy harmonic modeling method magnetic-geared machine hybrid electric vehicle magnetic field electromagnetic performance analytical modeling brushless DC motor commutation torque ripple back electromotive force multiphase machines fault-tolerance dual-channel brushless direct current motor with permanent magnet (BLDCM) switched reluctance motor (SRM) active flux stator flux observation super-twisting sliding-mode stator flux observer (STSMFO) deep-bar effect mathematical model estimation motor drives direct torque control (DTC) permanent magnet synchronous motor (PMSM) maximum torque per ampere (MTPA) operation DTC with space-vector modulation (DTC-SVM) AFPMSM analytical algorithm vibration noise temperature field analysis SynRM irreversible demagnetization PMa-SynRM flux intensifying deadbeat current control PMSM servo motor drives auto tuning parameter identification periodic controller surface permanent magnet synchronous motor fault-tolerant system multi-channel quad-channel operation (QCO) triple-channel operation (TCO) dual-channel operation (DCO) single-channel operation (SCO) permanent magnet brushless direct current motor BLDCM double Fourier analysis current spectrum decomposition eddy current loss permanent magnet machine design cogging torque permanent magnet machine uneven magnets IPMSM uncertainty and disturbance estimator flux-weakening control double-cage induction motor improvement of motor reliability cage winding constructions direct start-up coupled electromagnetic-thermal model outer rotor inductor electric vehicle high-efficiency eco-friendly automation finite element analysis PMSM DOE optimization metamodeling adaptive robust control energy feedback particle swarm optimization torque optimal distribution method multiphase electric drives six-phase machines finite control set model predictive control predictive current control predictive torque control high frequency square-wave voltage interior permanent-magnet synchronous motor (IPMSM) magnetic polarity detection rotor position estimation characteristics analysis fault detection stator fault rotor fault torque estimation finite control set mode predictive control duty cycle maximum torque per ampere permanent magnet synchronous motor acoustics boundary element method electric machines magneto-mechanics modeling noise vibro-acoustics efficiency line-start synchronous reluctance motor permanent magnet power factor multiphase induction motor space harmonics time harmonics injection high-speed permanent synchronous motor magnetic field characteristic iron loss stator structure online parameters estimation permanent magnet synchronous machines synchronous reluctance machines high frequency signal injection CMV modulation techniques PWM railway traction drives induction motor drives high-speed drives overmodulation and six-step operation electrical motors sot filling factor optimization algorithm windings magnetic wire filling factor optimization electric drive transmission shaft electric transmission line electrical and mechanical similarities kinematic structure equivalent circuit mathematical modelling failure detection diagnosis BLDC brushless systematic review rotor position BLDC motor sensor misalignment sizing methodology electrical machines thermal model electromagnetic model switched reluctance motor torque sharing functions firing angle modulation autonomous systems brushless synchronous generator electric power generation high speed generator high resistance connection fault-detection fault-tolerant control six-phase permanent magnet synchronous machines field-oriented control |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Advances in Rotating Electric Machines |
| Record Nr. | UNINA-9910557768803321 |
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Cruz Sérgio
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| Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2020 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Aeroacustic and Vibroacoustic Advancement in Aerospace and Automotive Systems
| Aeroacustic and Vibroacoustic Advancement in Aerospace and Automotive Systems |
| Autore | Citarella Roberto |
| Pubbl/distr/stampa | Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2020 |
| Descrizione fisica | 1 electronic resource (194 p.) |
| Soggetto topico | History of engineering & technology |
| Soggetto non controllato |
flexible spacecraft
periodic disturbance compensation compensate torque design vibration attenuation reaction wheel vibration analysis FEM multibody simulations Plasma flow control multichannel discharge plasma synthetic actuator actuator array analytic model centrifugal fan unsteady flow vibroacoustics fluid-structure-acoustic coupling optimization high-speed train pantograph aerodynamic noise large eddy simulation acoustic finite element method transonic buffet tangential slot steady and periodic blowing postpone of buffet onset buffet load alleviation component mode synthesis petrol engine NVH FRF leakage location Lamb wave beamforming spacecraft in orbit vibro-acoustics MDO aircraft fuselage aeroacoustics acoustics noise vibration aeronautics automotive |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910557327903321 |
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Citarella Roberto
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| Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2020 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Building acoustics
| Building acoustics |
| Pubbl/distr/stampa | [Brentwood, UK] : , : [Multi-Science Pub. Co.] |
| Descrizione fisica | 1 online resource |
| Disciplina | 693.8 |
| Soggetto topico |
Soundproofing
Architectural acoustics Acoustical engineering Hormones - adverse effects Isolation acoustique Acoustique architecturale Acoustique appliquée |
| Soggetto genere / forma |
Periodical
periodicals. Periodicals. Périodiques. |
| Soggetto non controllato |
Buildings - Acoustics
bouwconstructie building construction bouwmaterialen building materials bouwtechnologie construction technology geluidsleer acoustics akoestische eigenschappen acoustic properties geluid noise geluidshinder noise pollution Building Construction Bouwconstructie |
| ISSN | 2059-8025 |
| Classificazione | RY 80 |
| Formato | Materiale a stampa |
| Livello bibliografico | Periodico |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Journal of building acoustics |
| Record Nr. | UNINA-9910338749003321 |
| [Brentwood, UK] : , : [Multi-Science Pub. Co.] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Building acoustics
| Building acoustics |
| Pubbl/distr/stampa | [Brentwood, UK] : , : [Multi-Science Pub. Co.] |
| Descrizione fisica | 1 online resource |
| Disciplina | 693.8 |
| Soggetto topico |
Soundproofing
Architectural acoustics Acoustical engineering Hormones - adverse effects Isolation acoustique Acoustique architecturale Acoustique appliquée |
| Soggetto genere / forma |
Periodical
periodicals. Periodicals. Périodiques. |
| Soggetto non controllato |
Buildings - Acoustics
bouwconstructie building construction bouwmaterialen building materials bouwtechnologie construction technology geluidsleer acoustics akoestische eigenschappen acoustic properties geluid noise geluidshinder noise pollution Building Construction Bouwconstructie |
| ISSN | 2059-8025 |
| Classificazione | RY 80 |
| Formato | Materiale a stampa |
| Livello bibliografico | Periodico |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Journal of building acoustics |
| Record Nr. | UNISA-996251344203316 |
| [Brentwood, UK] : , : [Multi-Science Pub. Co.] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
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Historical Acoustics: Relationships between People and Sound over Time
| Historical Acoustics: Relationships between People and Sound over Time |
| Autore | Aletta Francesco |
| Pubbl/distr/stampa | MDPI - Multidisciplinary Digital Publishing Institute, 2020 |
| Descrizione fisica | 1 electronic resource (234 p.) |
| Soggetto non controllato |
military history
choir space reverberation time Lazarica church acoustic heritage shape optimisation Spanish cathedrals sound architectural heritage cathedral acoustics theatre ancient Greek theatre music EDT acoustics architectural conservation restoration archaeoacoustics Süleymaniye Mosque historic soundscapes cave history cultural heritage worship acoustics Hagia Sophia Stonehenge digital humanities medieval building Classical Era room acoustics reverberation general's harangue open-air performance space speech intelligibility archives church acoustics opera house political theater historical structures archeoacoustics Julius Caesar scenery historical speeches soundscapes soundscape survey archaeology Chaco Canyon memorial York Minster heritage acoustics acoustic simulation Ancestral Puebloan clarity acoustic design sound mapping Berlin Wall |
| ISBN | 3-03928-527-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Historical Acoustics |
| Record Nr. | UNINA-9910404090003321 |
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Aletta Francesco
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| MDPI - Multidisciplinary Digital Publishing Institute, 2020 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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MEMS Technology for Biomedical Imaging Applications
| MEMS Technology for Biomedical Imaging Applications |
| Autore | Zhou Qifa |
| Pubbl/distr/stampa | MDPI - Multidisciplinary Digital Publishing Institute, 2019 |
| Descrizione fisica | 1 electronic resource (218 p.) |
| Soggetto non controllato |
micromachining
capacitive micromachined ultrasonic transducer (CMUT) transducer gold nanoparticles cantilever waveguide push-pull actuator MEMS mirror chemo-FET ultrahigh frequency ultrasonic transducer fluorescence lead-free piezoelectric materials acoustics bioimaging scanner micro-optics MEMS microendoscopy ego-motion estimation rib waveguide electromagnetically-driven two-photon Lissajous scanning fabrication microwave resonator finite element simulation noise figure imaging modelling Si lens microwave remote sensing piezoelectric array smart hydrogels bio-FET surface micromachining tilted microcoil near-field microwave electrochemical sensors potentiometric sensor photoacoustic imaging micromachined US transducer electrostatic actuator polyimide capillary high frequency ultrasonic transducer microring resonator ultrasonic transducer ultrasonic imaging indoor navigation optical scanner scale ambiguity bio-sensors non-resonating scanner wide-filed imaging confocal acoustic delay line tight focus miniaturized microscope monocular camera low noise amplifier (LNA) in vivo capacitive high spatial resolution sensing microelectromechanical systems (MEMS) needle-type display pseudo-resonant MEMS actuators microtechnology metal oxide field-effect transistor transduction techniques MEMS scanning mirror 3D Printing photoacoustic chemo-sensor in vitro wearable sensors |
| ISBN | 3-03921-605-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910367751003321 |
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Zhou Qifa
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| MDPI - Multidisciplinary Digital Publishing Institute, 2019 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Modelling, Simulation and Data Analysis in Acoustical Problems
| Modelling, Simulation and Data Analysis in Acoustical Problems |
| Autore | Guarnaccia Claudio |
| Pubbl/distr/stampa | Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2020 |
| Descrizione fisica | 1 electronic resource (584 p.) |
| Soggetto topico | Research & information: general |
| Soggetto non controllato |
noise barrier
insertion loss vehicle frequencies diffraction flow speed Analytical solutions FDTD EMATs beam directivity perforate tube silencer transmission loss (TL) pressure loss computational fluid dynamics (CFD) temperature air flow velocity graphical bilinear method seismic survey dynamic cone penetration test soil depth time-distance curve KZK equation fractional order derivative ultrasound hyperthermia HIFU acoustic simulation Kramers-Kronig relation stereo audio coding Principal Component Analysis (PCA) multi-frame Pyramid Vector Quantization (PVQ) bowel sound bowel motility automatic detection/evaluation power-normalized cepstral coefficients noncontact instrumentation acoustic localization cross array moving sound source discrete sampling error analysis open-air theatres acoustical measurements prediction models historical acoustics Direction of Arrival (DOA) time-frequency (TF) mask speech sparsity speech enhancement (SE) acoustic vector sensor (AVS) intelligent service robot voice generation multichannel electroglottograph larynx acoustics fingerprinting acoustic localization iterative interpolation K-Means clustering Two-stage matching Adjacent RPs dynamic tissue property Westervelt equation thermal damage zone submerged floating tunnel (SFT) mooring line coupled dynamics hydro-elastic responses wet natural frequencies mooring tension seismic excitation wave excitation seaquake thick annular circular plate Rayleigh integral finite element modeling rectangular and concentric stiffener patches taper ratio thickness variation MRI Zone Plates ultrasonic lenses piano playing vibrotactile feedback interaction musical performance auditory perception sensors actuators crack growth acoustic echo COSMO p-value l1-regularized RLS sparsity room impulse response total least squares regularization factor fluid-filled polyethylene (PE) pipeline noise control acoustic propagation cutoff phenomenon UWA communication channel modelling OFDM channel estimation simulation platform minimum variance distortionless response signal self-cancellation direction estimation underwater acoustic source spatial power spectrum cochlear implant coding strategy Fixed-Channel Channel-Picking vocoder simulation normal-hearing point mass parabolic thickness variation landmine detection lumped parameter model prodder resonance frequency noised-induced hearing loss powered surgical instruments ultrasonic aspirator transcanal endoscopic ear surgery balanced armature receiver lumped parameter method finite element method and Boundary element method focused transducer acoustic field nonuniform radiation distribution Bessel radiation distribution spherically curved uniform radiator rim radiation Lamb waves wooden constructions acoustics low frequency noise modelling ultrasonic guided waves SAFE rail defect detection mode excitation solid dielectrics acoustic emission artificial neural networks electrical treeing wavelets non-destructive testing high-voltage insulating systems boundary element method Helmholtz equation structural health monitoring mooring chain fatigue crack growth structural integrity |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910557128103321 |
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Guarnaccia Claudio
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| Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2020 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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