Surface/Boundary Effect TRIZ Cases

A smooth fluoropolymer film helps antenna covers shed water quickly while resisting dust-filled roughness that cuts slidability after immersion.

A ring shear setup simulates high-pressure, low-temperature hydrate conditions to measure soil interface mechanics more accurately.

Automated liner take-up, surface characterization, and tape splicing improve tape application precision while reducing downtime and operator involvement.

A two-stage flooding setup uses a porous barrier to remove only the first fluid, enabling faster and more homogeneous rock sample saturation profiles.

A single probe with interchangeable pathlength adjusters replaces multiple fixed tips, widening dissolution measurement range with less complexity.

A single probe tip with interchangeable pathlength adjusters replaces multiple fixed probes, simplifying concentration measurement in dissolution testing.

Phase-separated membrane compartments track shape changes to measure local osmolarity continuously without disrupting live samples.

A regression model uses inert content and vitrinite reflectance to estimate coal surface tension faster for better coke blending.

A dual-channel flooding sequence uses a selective porous barrier to prepare homogeneous initial fluid saturation profiles faster.

Fixed osmotic gradients can miss maximum-volume osmolality; variable dilution improves red blood cell volume measurement accuracy.

Conventional simulants lack tunability; this vesicle-and-polymer composition adjusts viscosity and breakup time for reproducible in vitro testing.

Difficult two-phase injection and long tight-reservoir test cycles are addressed by matching 1D simulation results to experimental pressure data.

A modular triaxial cell combines pressure, cooling, torsion, and axial loading to measure hydrate-sediment interface shear under complex stress paths.

Controlled sebum flow through perforated PDMS pores reduces variability when evaluating makeup film sustainability.

Alternating porous conductive and non-conductive layers reach diffusion equilibrium to measure soil parameters without empirical equations.

Measuring solution impedance to detect reconstitution completion without visual inspection.

Processor calculates liquid penetration degree using surface brightness and resistance data.

Integrating strain gauges into the membrane support structure eliminates separate transducers, reducing device complexity and response time.

A UV area detector replaces mechanical sampling to measure permeant concentration continuously, cutting testing time from hours to minutes.

A tire testing machine uses a torque canceller to apply counteracting torque to the spindle shaft.

A TDR matrix suction sensor uses a hydrophilic porous jacket to measure soil adhesive pressure via pulse delay time.

Electrical capacitance sensing calculates wetting contact angle for sub-micron drops where optical paths remain obstructed.

An integrated experimental device couples triaxial shear stress with fluid seepage flow through hydrate-bearing sediment samples.

A core flood system measures pressure differentials to characterize foam mobility and fluid breakthrough properties.

Color-coded visualization of fluid occupation time captures capillary events and relative permeability dynamics during water flooding.

Laser-induced breakdown spectroscopy measures noble gas adsorption on porous materials, providing absolute spatially resolved wettability values.

A device measures foaming properties of gas-soluble surfactants in supercritical carbon dioxide using controlled pressure and temperature simulation.

Electrical conductivity measurement on a disposable microchip determines tear osmolarity without inducing reflex tearing from large sample volumes.

A piezoresistive gas sensor uses a full bridge circuit to monitor resistance variations across individual elements for structural integrity checks.

Imaging identification pattern through sample liquid determines complete dissolution without complex scattered light measurement devices.

A mixing unit combines separated blood cell and plasma components to restore sample composition for electrical characteristic measurement.

Dynamic membrane deformation replicates peristaltic movements, overcoming static model limitations in assessing dosage disintegration.

Nitrogen gas jetting removes electrolyte from lithium secondary battery positive electrodes to measure liquid-removed space diameter for accurate wettability assessment.

Capillary ascension flow generates steady state saturation profiles in a single porous sample, reducing experiment duration from weeks to days.

Implantable osmometric sensor measures bodily fluid osmotic strength via semi-permeable membrane.

Screw thread connection replaces O-rings in flow cell assemblies, eliminating leaks between water and test medium circuits.

Reinforcement pieces constrain non-metallic pipes inside a test cylinder to maintain constant volume during high-pressure hydrogen exposure.

A high-pressure cell with a motorized piston and tilting mechanism resolves interface detection limits in condensate gas PVT studies.

Coreflooding displaces native components to measure indigenous cation exchange capacity and site wettability in rock samples.

Segmented profile meter calculates fluid boundary level using corrected density values from multiple measurement segments.

Cold spray coating applies material at two distinct velocities to modify substrate surface properties and ensure strong adhesion.

A two-compartment dissolution apparatus uses a lipophilic membrane to separate dissolved API from undissolved particles via selective permeation.

A lyophilic shell matrix encapsulates drug nanoparticles to enable accurate dissolution rate measurement.