Fluid Dynamics TRIZ Cases

Pressure-driven phononic subsurfaces shift flow-wave phase to passively control drag, turbulence transition, and heat transfer.

A phase-changing surface forms a vapor cushion from liquid heat to cut drag and adhesion without fragile microtextures or high external heating.

Inner-surface protrusions with sub-1.5 μm pitch give a stretchable tube water repellency, easier handling, and cleaner liquid transfer.

Slots, baffle plates, and bottom apertures mix gas and liquid for more uniform catalyst bed flow with lower pressure drop and fewer hot spots.

Angled edge parts and adhesive mounting improve vortex generator alignment and attachment strength on wind turbine blades, helping reduce noise.

Rotational exhaust flow from an annular vortex generator helps particles pass bends and connectors, reducing wall buildup and maintenance.

Localized air heating near an airfoil raises the speed of sound to suppress shock waves, improving lift-to-drag ratio and reducing noise.

Helical passages create rotational pipeline flow that cuts head loss and wall erosion while keeping abrasive particulates suspended.

Swirling flow paths and cavitation grooves generate fine bubbles that improve fluid penetration, cooling, and tool life while simplifying assembly.

A variable-concave dynamic reflector redirects pressure impulse into azimuthal motion, reducing shaft radial load while broadening waveforms.

Multiple-opening BRO plates balance pressure across the conduit to cut eddy turbulence, improve measurement accuracy, and limit noise and erosion.

An offset main flow path and waste-side purge valve cut dead zones, speed gas discharge, and reduce residue in semiconductor chambers.

Compressed air reverses in the guide pipe to recover from wire deflection and shorten auto wire feeding retries in wire EDM.

Automatic reservoir switching keeps surgical suction continuous while fluid is measured, evacuated, and handled with lower pathogen exposure.

A shielding stud, seal heads, and threaded plug move fasteners out of the pressure chamber to cut stress raisers and prevent hazardous leaks.

Non-uniform protrusion spacing lets the regulating body deform across different pressure ranges to hold a desired flow rate more precisely.

Redistribution treating zones in bed vessels disperse streams across processing beds, reducing channeling without added flow-redistribution hardware.

Spiral conduits with alternating cross-sections control injection pressure drop while cutting polymer degradation and preserving viscosity.

Stepped tube restraints redirect exhaust gas upward in an HRSG to improve flow uniformity, heat transfer, and pressure loss control.

Self-discharge static eliminator reduces electrification charges on intake passage walls.

Ridges and depressions on antenna radomes create critical flow regions that delay separation, reducing wind loads on tower structures.

Piezoelectric actuator displaces fluid to create dimples, replacing complex plumbing with high-frequency flow excitation.

Tapered inner ribs on a transport pipe reduce flow resistance and pump power by aligning cross-sectional area changes with the longitudinal direction.

A flexible membrane distributor system centralizes flow distribution within pressure swing adsorption vessels.

Segmented injection and blow molding controls wall thickness in high-curvature inlet pipes to reduce pressure loss from airflow separation.

A tubular adapter piece containing a flow straightener conditions air entering an anemometer.

Segmented geometry creates vortices that expand fluid-pipe contact area, resolving limited heat exchange efficiency caused by static flow conditions.

A porous plug delivers lubricating fluid uniformly along a conduit wall to reduce friction in viscous flow.

A fluid pressure reduction device uses a removable diffuser made of erosion-resistant material to lower fluid pressure within the system.

Segmenting coating into pre-fabricated metallic glass sheets eliminates vacuum sputtering constraints, enabling on-site application on large structures.

A truncated cone funnel device directs urine into the toilet bowl using flexible plastic construction.

Elliptic rear face geometry eliminates pressure oscillations across subsonic to supersonic speeds without active control systems.

Upper flow diverter splits and directs fluid into the gallery, reducing turbulence and pressure variances in sliding stem valves.

A fluidic oscillator with a vortex chamber generates cyclical backpressure waves to modulate flow resistance in downhole drilling operations.

Inwardly curved outflow region reduces flow resistance and prevents backflows in shut-off valve housings.

Helical flow guides install upstream of radial restrictions to increase dead zone flow rates by 100 times, preventing crystalline scaling deposits.

A subsea system forms hydrate slurry from separated gas and water for reservoir injection.

Adapter rings cover outflow bores on a lubricant distributor to guide gas-transported fluid streams.

Load-transferring pins connect upper and lower beam segments to resist lateral deflection, avoiding bolt failure risks in large mass transfer columns.

A resin layer cures against a reverse riblet cavity mold held by an inflatable air bag inside a pipe.

A segmented pipe bend uses individual tubes to deflect medium flow while maintaining a rotationally symmetrical profile.

A reversible-flow discharge orifice uses asymmetric geometry to manage fluid dynamics in rocket engine systems.

A U-shaped ultrasonic flow meter uses a swirl generation unit to reverse fluid rotation and minimize detachment bubbles.

Curved surface depressions induce lateral excitation in the turbulent boundary layer, preventing vortex formation and reducing drag.

A microfluidic device separates circulating tumor cells using inertial and Dean drag forces generated by alternating channel contractions.

Segmented folding strakes eliminate heavy lift vessel needs, resolving shallow water depth constraints during spar platform assembly.

An alternate grid in the flow guidance device directs pressurized hot air toward sensors, reducing false alarms from thermal convection.