Material Analysis Using Sonic/Ultrasonic/Infrasonic Waves TRIZ Cases

External resonator antennas measure dielectric-fluid phase shifts through a pump compartment, avoiding costly in-path sensors and contamination risk.

A cavity and separated fluidic channel limit flow interference with cantilever vibration, while optical readout supports resonance-based cell detection.

This case uses environmental measurements of water vapor to correct odor data when sensor and odor-source conditions differ.

Sensors adjust ultrasonic waves and agitation to accelerate smelt dissolution while reducing explosions, scaling, and energy use.

A caged UAV with a flexible sensor arm maintains stable structure contact, precise probe placement, and impact protection.

Limited convection and multiple interfaces hinder probe cooling; a monolithic phase-change chamber moves heat while limiting complexity.

This fluid testing module separates plasma by capillary action to detect hemolysis before analyzer testing and preserve workflow accuracy.

Trapezoidal guidance improves ultrasonic lumen flow measurement and reduces turbulence.

A tuned vibrator thickness improves ultrasonic transmission, lowering drive demands while supporting wider flow paths and standing waves.

Impact testing and frequency-spectrum analysis enable rapid, reliable diagnosis of hidden damage in concrete railway ties on track.

A scanning apparatus uses one generation laser and one detection laser across multiple channels to improve speed and signal quality.

This case tunes laser illumination and signal demodulation for accurate gas concentration measurements amid spectral interference.

The case adjusts calibration factors from changing ambient sensitivity to preserve gas-reading accuracy during operation.

This case uses refractive-index modulation and tunable waveguides to address ultrasound bandwidth, voltage, and sensitivity limits.

Low- and high-intensity ultrasound combine echo feedback and liquid-surface oscillation to simplify precise focal point positioning.

A known calibration fluid and boundary sensor improve line-volume accuracy, sample arrival timing, and usable sample recovery.

This case optimizes laser illumination and demodulation parameters for accurate gas concentration estimates in complex mixtures.

An ASIC integrated with the capacitive transducer reduces channels, wiring, and data throughput for efficient 4D ultrasound imaging.

Residual QCM temperature gradients delay readings; ΔT feedback and thermoelectric control accelerate stable frequency measurements.

This case shows how axially aligned, sealed transducers simplify installation while improving accurate measurement of low flow rates.

An air-filled probe chamber resists external forces, preserving transducer directionality while reducing weight and improving durability.

MFL, UT, EMAT, and eddy-current data are iteratively combined to reconstruct defects and calculate pipeline load limits.

A piezoelectric structure between electrodes detects bio-entities through electrical changes, reducing optical components and testing time.

Discrete soldering and a recessed PCB housing position the ultrasonic transducer while reducing air pockets and acoustic variation.

Inclined sound-wave units reduce data loss when measuring non-cubic spaces.

Axial, radial, and rotating probe motion helps inspect hidden rotor threaded connections with consistent pressing.

Wavelength-matched plastic and damped light-metal layers transmit ultrasound, protect sensors, and limit high-pressure chamber expansion.

Recessed sidewalls and elastic coupling members isolate harmful paths while preserving acoustic transmission for accurate flow measurement.

Separate apertures improve lateral resolution while preserving phase coherence.

A collar-mounted carriage and position locator improve ultrasonic wall-thickness inspection across curved feeder-hub weld surfaces.

This case uses multiple GHz frequencies to mimic a short pulse, improving signal-to-noise for imaging embedded structures.