Research Article

Mechanism and Modeling of Contaminant Accumulation on Hot-Film Air Flow Sensor

Table 1

MEMS hot-film flow sensor contaminant accumulation test scheme.

Scheme numberTest purposeSensor numberScheme descriptionTest parameter
Flow(L/min)Test medium

ITesting the effect of energization on contaminant accumulation1Energized 0.8 Air-micro-silica two-phase flow
2No energized
IITesting the effect of chip position on contaminant accumulation1Chip located at the top
3Chip located at the bottom