Material Analysis Using Sonic/Ultrasonic/Infrasonic Waves TRIZ Cases

A mechanically expandable mount stabilizes an inspection scope in a powerplant, enabling vibration-based defect checks without component removal.

A neural network compares ultrasonic frequency-peak patterns to separate normal component variation from true defects in metallic powerplant parts.

A piezoelectric probe with SMA-guided angling improves resonance inspection of internal propulsion component defects while reducing downtime and cost.

An adhered piezoelectric probe excites internal powerplant components and reads vibratory response to detect defects without disassembly.

An expandable mount anchors an inspection scope inside a powerplant to maintain actuator contact for in-situ vibration-based defect detection.

A pulsed laser and vibrometer inspect installed powerplant components for internal defects without disassembly, cutting downtime.

Resonance-frequency modulation addresses overlapping absorption bands in exhaled air for accurate multi-trace-gas detection.

Conveyor-based dual-energy transmission imaging quantifies lean meat for automated grading, reducing reliance on manual checks and complex databases.

Photonic filtering and optical amplification form a compact tunable cavity for high-power photoacoustic analyte sensing without moving parts.

Humidity difference data corrects odor sensor readings when source and sensor environments differ, improving measurement consistency.

Acoustic pressure sensors determine fluid speed of sound in flexible hoses, helping quantify entrained air and diagnose hydraulic operation.

Subwavelength patterns on a single silicon wafer focus light onto a small area, supporting compact and accurate photoacoustic measurements.

Ultrasonic vibration excites gas bubbles to modulate microwave signals, separating them from foreign bodies in flowing media.

A rotating member lets one radial probe map pressure, temperature, and velocity across a fluid path's full 360-degree circumference.

Opposing MEMS membranes amplify photoacoustic signals and match acoustic-noise responses for precise gas and pressure measurement.

Costly, intrusive multiphase flow meters are addressed with flush-mounted pressure sensors using eddy and sound-wave time of flight.

A rod-shaped resonator combines whispering-gallery confinement with radiation-pressure coupling for minute-object sensing without electrical readout.

Pump and probe beams capture time-resolved optical transients to image buried voids beneath non-metallic layers.

Dual-layer graphite and metal backing reflects acoustic energy toward the sample while conducting heat away from the piezoelectric material.

Mirror-configured hydrodynamic traps retain a biological object during flow reversal, enabling uninterrupted fluid-circuit analysis.

Echogenic segments and ultrasonic time-of-flight echoes map temperature through hostile environments without breaching containment barriers.

A neural network combines spatial features across thermal acoustic imaging frames to classify engine fan blade defects faster with fewer false alarms.

An EMI-reducing layer shields receiver circuitry while a light guide transmits illumination, improving photoacoustic signal-to-noise ratio.

Commercial TPD can lag on temperature and consume more sample; a self-heating resonant cantilever enables fast, accurate catalyst activation-energy measurement.

Bandpass filtering and FFT analysis separate noise removal from frequency shifts caused by water or mud on the ultrasonic transmitter/receiver.