Fluid Speed Measurement TRIZ Cases

An EMR source and radiation-absorbing surface heat pitot tube walls, preventing ice buildup while supporting continuous flow measurement.

Distributed ground sensors and Weibull wind modeling help predict local low-altitude gust variability for safer UAV mission approval.

Feedforward and feedback wind compensation uses steady wind and groundspeed data to improve low-speed aircraft maneuver precision and control.

Temporal partitioning and weighted vector reconstruction cut wind speed estimation error below 1% even in strong atmospheric turbulence.

A single-die steerable ultrasonic array measures fluid velocity across multiple axes through time-of-flight paths, cutting flow meter size and cost.

Dual-polarization coherent mixing replaces bulky CCD detection to improve Doppler shift precision and suppress common-mode noise.

A transducer maps flow across depths to find near-zero vertical speed, improving horizontal vessel-speed accuracy despite wake disturbances.

Crosswinds, prop wash, rotation, and heat can compromise pitot tube covers; this case uses air resistance and heat-resistant materials for automatic release.

A demultiplexer and separation devices isolate transmission from reception, improving LiDAR SNR and distance and speed accuracy.

A laser radar speed calculator selects a calculation method based on signal to noise ratio.

Pinwheel sensors convert wind energy into vibrations for distributed fiber optic detection, resolving point measurement inaccuracies along utility cables.

Integrating pressure and temperature sensors inside the magnetic inductive flow probe housing eliminates pipeline openings that create leak risks.

Electronic feedback compensates for mechanical imbalance in torsion balance sensors, eliminating costly manual balancing steps.

Wedge prisms compensate for optical axis angular shifts to sustain high-speed wind measurement.

A spherical multi-directional fluid velocity measurement device uses three-dimensional Pitot tubes to detect dynamic pressure.

Aircraft speed measurement using laser Doppler anemometry acquires backscattered signals on multiple non-coplanar axes to calculate candidate velocity vectors.

Estimating transverse air velocity via single-beam signal analysis eliminates multiple telescopes, reducing Doppler LiDAR complexity and cost.

A fine channel flowmeter uses electrode groups to measure fluid flow via electrical conduction.

Time-multiplexes reference and backscattered optical signals through a common path to unify measurement conditions.

A lidar wiper controller adjusts cleaning operations based on precipitation detection to conserve washer fluid.

A bi-axis laser anemometry probe splits a laser beam into two signals for separate amplification and detection paths.

A gas velocity sensor uses a Fabry-Perot interferometer and spatial filter to detect Doppler shifts in backscattered light.

Speckle pattern correlation analysis measures fluid flow in planes normal to the imaging beam, overcoming Doppler frequency shift limitations.

A combined device merges a Pitot tube with a stagnation point probe to validate total pressure readings through redundant measurement.

A Doppler lidar system determines target speed direction through spectral amplitude comparison.