Volume/Mass Flow By Thermal Effects TRIZ Cases

Sensing air and coolant temperatures at a rack outlet heat exchanger calculates airflow rates to prevent hot air recirculation.

Dual heating elements measure temperature differences to detect bubbles or droplets, eliminating the need for separate ultrasound or optical sensors.

Uniform chip heating and thermophoresis prevent oil deposition on hot-film air-mass sensors, maintaining signal integrity.

A compact steam quality measurement system uses a phase mixing nozzle and conditioning orifice plate to determine flow conditions.

Thermal sensors measure pipeline surface temperatures to calculate flow rates, eliminating the need for complex acoustic filtering or direct contact.

A thermal flow sensor detects aggregate state changes by analyzing disturbances in temperature difference and heating power signals.

Segmented dual sensors resolve angle-dependent measurement errors by combining velocity data from different positions to calculate true blood flow speed.

Symmetrically displaced control thermistors subtract environmental noise from the shunt-aligned sensor signal, improving cerebrospinal fluid flow rate accuracy.

Dual temperature sensing calculates flow differences to resolve precision and dynamic range contradictions in low flow HPLC applications.

Segmented thin film structures resolve opacity trade-offs, enabling simultaneous neural recording and cortical activity mapping.

Pulsed heating with one sensor determines flow rates without waiting for steady state, reducing energy consumption.

Suppressed primary side lobes and adaptive cell sizing resolve backscatter interference to enhance sampling accuracy across varying depths.

A non-contact thermal flow sensor system measures beverage volume using a conduit-mounted heater and downstream temperature sensing element.

Thermal expansion of a flexible membrane drives capacitive displacement sensing, eliminating complex mechanical actuation and calibration requirements.

A microfluidic flow meter uses a movable element to measure fluid velocity through channel displacement.

Segmented strain detectors measure diaphragm deformation to correct bridge circuit signals, resolving accuracy loss from polysilicon manufacturing strain.

Surface tension drops generate pressure gradients for fluid flow, avoiding electrokinetic damage and complex external equipment.

A thermal mass flow meter uses two measuring elements that alternate heating and sensing roles to determine fluid direction.

Isolating physical property detection from flow rate sensing corrects measurement errors caused by changing fluid characteristics.

An asymmetrical sensor carrier reduces fluctuating wake formation and signal noise to improve mass flow measurement accuracy.

Temperature analysis detects blocked urea injectors by comparing pre and post activation thermal gradients, ensuring reliable dosing.

Replacing mechanical vanes with a heated element and sensor array detects slight wind movement accurately in low light.

A flow restrictor tube conditions water velocity inside a chiller pipe to enable accurate sensor readings within its specific measurement range.

Chemical etching at 1200°C resolves isotropic etching contradictions in silicon carbide, producing smooth sidewalls and sharp tips for biomedical devices.

A thermal flowmeter uses a power compensation unit to adjust heater energy based on temperature difference gradients between two resistive elements.

Porous filter inserts laminarize turbulent fluid flow to produce a controlled pressure drop, ensuring accurate differential pressure measurements.