Material Analysis Using Sonic/Ultrasonic/Infrasonic Waves TRIZ Cases

A rail scanning system uses three phased array probes on a single carriage to detect defects across multiple angles in one pass.

A measuring element detects liquid type by heating a sample to its boiling point and correlating the temperature with material properties.

QEPAS sensors detect fluorine concentration via acoustic waves, replacing indirect methods that cause measurement errors and reliability issues.

Driver electronics excite a piezoelectric element at multiple frequencies to control angular divergence, eliminating complex passive beam shaping systems.

Mid-infrared spectroscopy with quantum cascade lasers detects DNA bond vibrations, resolving cell damage risks from UV light and chemical markers.

Direct electrical testing eliminates water tank infrastructure, resolving alignment complexity and improving speed.

Two ultrasonic sensors compare distance measurements to identify wrinkles and abnormalities that single-point detection misses.

A vibration-testing system detects rotational modes and adjusts horizontal shaker positions to suppress unwanted rotation.

Rigid abutment in a sensor element carrier constrains sample chamber height, eliminating adhesive-induced variability and contamination risks.

Places sensors in connecting pipes to measure deposit thickness indirectly, reducing chemical usage while maintaining accurate monitoring.

Acousto-optic depth metrology uses pump and probe beams to profile semiconductor specimens non-destructively.

A heel test block with a semi-cylinder and parallel flat plates calibrates ultrasonic probes for curved surface inspection.

A photoacoustic probe uses a protection layer on an optical reflection surface to suppress solvent cracks and maintain signal integrity.

A defect detection device uses variable-frequency elastic waves to measure surface vibration states for flaw identification.

A resonance shear measurement device uses a strain gauge attached to a spring to detect vibration response voltage from a piezoelectric element.

An odor detection system corrects sensor reaction values using environmental feedback to maintain consistent measurement accuracy.

Parallel sound axes in ultrasonic flow meters resolve multiphase measurement ambiguity by enabling redundant phase differentiation and gas velocity tracking.

A self-adaptive all-fiber laser ultrasonic instrument uses real-time feedback to adjust cavity length.

A fuel delivery system adjusts flow rate by measuring the speed of sound in the fuel to determine its energy density.

Interconnected grooves divide the piezoelectric element into sector parts, expanding frequency bands for ultrasonic transmission.

Replacing fluorescent indicators with photoacoustic detection eliminates measurement delays and low quantum yields while enabling deeper tissue imaging.

An intermediary protective layer prevents mechanical wear during container detachment, preserving analysis accuracy in repeated ultrasonic testing cycles.

A slap plate attached to a shaker armature amplifies mechanical shock forces for test specimens.

A vibration region generated by ultrasound waves enables optically-sectioned imaging of scattering materials.

An acoustic system measures carbon dioxide concentration by determining sound transit time through a buffered air sample.

A coupling piece with reduced cross section connects an oscillating body to a conduit wall membrane for ultrasonic flow measurement.

Light launching module generates varying wavelength patterns for simultaneous acoustic sensing and fiber integrity checks.

Grueneisen-relaxation photoacoustic microscopy uses dual laser pulses to probe thermal relaxation, resolving axial resolution limits in planar object imaging.

Displaced ports in a cylindrical chamber generate turbulent flow to prevent blood ingredient deposition, ensuring reliable haematocrit measurements.

A pulsed ultraviolet laser detects transient temperature rises induced by mid-infrared radiation to measure infrared absorption.

A pulse-width rectifier switches to an emergency generator mode to sustain essential electrical consumers.

Vaporizing bridge wires creates compression waves to detect disbond signatures, replacing expensive laser systems.

Single optical fiber replaces hydrophone arrays to monitor riser shape and fatigue, reducing deployment complexity.

A flexible ultrasonic transducer uses a piezoelectric element on a metal plate to enable direct dry coupling with inspection surfaces.

A gas sensor uses a molar mass sensor to determine its linearization curve through polynomial fitting.

A magnetic wheel inspection device uses rolling modules and fluid grooves for continuous ultrasonic defect detection.

A high temperature ultrasonic probe system with a specialized mounting fixture enables real time water height detection in steam pipes.

An acoustic wave modulates fluid refractive index to create a waveguide, enabling high data rate optical transmission while mitigating dispersion issues.

Indexing features on suspended wing panels allow precise positioning during Non-Destructive Inspection, eliminating time-consuming optical verification steps.

Segmenting the housing and inserting a plastic auxiliary member resolves contamination risks from directivity slits while maintaining manufacturing simplicity.

A U-Net convolutional neural network performs semantic segmentation on simulated ultrasonic wavefield images to localize structural defects.

Compensate sample-induced phase shifts via adjustable Pi/2 shift to optimize measurement sensitivity across diverse materials.

A frequency-matched transducer uses composite piezoelectric materials to generate clear acoustic signatures for substrate analysis.

Disk coupler minimizes contact with the waveguide rod, maintaining seal integrity under high pressure for accurate density measurements.

A measuring apparatus determines the Wobbe index of hydrocarbon gas mixtures by detecting pressure-dependent viscosity alongside temperature and pressure values.

A wavelength stabilized laser beam source maintains oscillation frequency to enable speckle interferometry displacement detection.

External ultrasonic flow meter uses three piezoelectric transducers to measure water velocity, reducing temperature dependence for accurate billing data.

Paired measurement paths detect liquid presence in gas pipelines by analyzing turbulence and sound speed ratios to resolve precision complexity trade-offs.

An articulated U-shaped stirrup positions transducers to inspect tubular part flanges, resolving accessibility constraints of bulky support systems.

Distributed optical acoustic sensors detect structural events and trigger targeted health scans, reducing power consumption by avoiding continuous monitoring.