Research Article

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

Table 4

Flow rate measured by No.4 and No.5 sensors and cumulative thickness of contaminants on chip surface.

Test time  
(day)
Sensor flow rate(L/min)Particle cumulative thickness(μm)
Ref.No.4No.5No.4No.5

39151514.901.323
195151514.702.325