Volume/Mass Flow By Differential Pressure TRIZ Cases

Pressure-charged line volumes replace ALD divert lines to cut precursor waste and improve dose consistency in process chambers.

Gap-based slope calculation links nozzle-workpiece spacing and gas pressure to assist gas flow, improving laser processing control accuracy.

Calculates laser assist gas flow from pressure and nozzle-workpiece gap, improving processing quality without complex real-time setup.

Parallel flow restrictors use choked flow with pressure and temperature sensing to verify MFC mass flow quickly and accurately.

By combining vortex shedding with differential pressure sensing, this case extends accurate flow measurement into low-velocity ranges.

Infrared sensing, high-speed imaging, and differential pressure measurement quantify foam volume, flow pattern, and pressure drop across pipe conditions.

Two pressure sensors and damper position data are weighted by uncertainty to estimate duct airflow more accurately for damper control.

Movable fins adjust the venturi throat to maintain differential pressure, improving MPFM accuracy across varying oil and gas flow rates.

Phase behavior models use fluid composition, temperature, and pressure to quantify liquid and correct gas flow readings in pipelines.

Dual-area monitoring converts pressure fluctuations into RMS signals to calculate mixture velocity and gas void fraction without phase separation.

Low motor speed can reduce flow-rate accuracy; combined pressure and temperature sensing supports precise cooling-liquid measurement.

Multiple pressure sensors and damper position data are weighted by uncertainty to improve airflow accuracy and damper operation.

A multiphase flowmeter uses a mixer to homogenize fluid for accurate velocity and density calculation via Doppler probes.

Segmented pressure taps calculate differential ratios to resolve turbulence interference near flow restrictions.

A powered capture hood assembly conditions airflow through a venturi nozzle structure to enable precise volumetric measurement.

A light irradiation device uses a nested tubular body to separate cooling channels and maintain thermal isolation between flow paths.

Angled tap ducts drain condensation from steam meter sensing lines using gravity to maintain liquid seals.

Three pressure sensors measure boundary and monitoring pressures to estimate fluid flow rate, eliminating vibration noise interference.

A multiphase flowmeter uses a longitudinal barrier to divide the pipe into separate chambers for precise phase detection.

A square tube probe assembly employs a pre-balanced counterweight to eliminate droop errors when extending measurement range in large diameter stacks.

A multiphase flowmeter combines ultrasonic thickness measurements with microwave permittivity data to determine water-to-liquid ratios.

Combining nuclear magnetic resonance with differential pressure measurement resolves low signal magnitude issues in gaseous phase flow rate detection.

An eccentric venturi flow measuring device uses airfoil principles to minimize fluid disruption and allow unobstructed passage of liquids and debris.

Interlocking latching arms on opposing ring members secure the orifice plate, eliminating leakage from incorrect installation orientation.

Segmenting the sensing module from the fluid channel lowers the minimum detectable pressure and widens the detection range for accurate flow regulation.

A high-precision pressure sampling head uses asymmetric inclined surfaces to form total and static pressure sensing holes.

Calibrated contour geometry directs fluid to upstream pressure taps, reducing head loss and preventing scale buildup compared to separate measurement devices.

Ferrofluid fill fluid boosts capacitance from 60 pF to 300 pF, resolving electrode spacing constraints in miniaturized pressure sensors.

Constriction generates differential static pressure in the gas core to determine gas and liquid flow rates, reducing cost for low hydrocarbon producers.

A dual transducer flow measuring station selects reliable data from each sensor based on current medium states to calculate precise flowed amounts.

Process variable transmitter calculates gas flow rates using temperature, reference pressure, and differential pressure data.

A venturi flowmeter design incorporating a replaceable tube insert and ring element to protect the main orifice from abrasion.

A vortex flowmeter calculates fluid flow rate using a pressure sensor arrangement to detect differential pressure across a bluff body.

A vortex shedding stabilizer suppresses low-frequency oscillations in differential pressure signals, improving measurement accuracy.

Integrating a differential pressure sensor with an NMR flow meter calculates gas phase flow by subtracting liquid measurements from total flow.

Dual flow meters with different orientations feed evaluation units to a monitoring device for continuous data comparison.

Acoustic wave propagation analysis determines flow rate by measuring pressure differentials, resolving accuracy issues in turbulent unsteady flows.

Segmented cap openings and bleed holes eliminate boundary layer separation, ensuring accurate air speed measurements at high angles of attack.