Velocity and Temperature Simulation of a New Air Flow Sensor

Bolin Yu, Zhiyin Gan, Sheng Liu, Xiaobing Luo, Hui Cao, Jingping Xu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)


Air mass flow sensor is based upon thermal conduction and convection, provided the laminar flow conditions prevail in the whole measurement range. Due to the turbulence in the manifold, an especially small channel has been designed inside the manifold, and the laminar flow condition has been maintained throughout the measurement range in this small channel. The velocity distribution throughout the channel has been predicted. An ideal Re value is obtained throughout the small channel. A fixed velocity ratio between the flow in whole manifold and in small channel is obtained. The air intake will be obtained though measuring the flow rates in the small channel. At the constant temperature of heater, temperature field around the heater under different flow conditions were simulated by finite volume method (FVM). The relationships of dt, the measuring distance and flow rate are obtained. At last, the optimal measurement distance is about 80μm, and the flow sensor met air intake demand of combustion engine in both the range and precision.

Original languageEnglish
Title of host publication2006 7th International Conference on Electronics Packaging Technology, ICEPT '06
PublisherIEEE Computer Society
Number of pages4
ISBN (Electronic)142440620X
ISBN (Print)1424406196, 9781424406203
Publication statusPublished - 26 Aug 2006
Externally publishedYes
Event7th International Conference on Electronics Packaging Technology - Shanghai, China
Duration: 26 Aug 200629 Aug 2006
Conference number: 7


Conference7th International Conference on Electronics Packaging Technology
Abbreviated titleICEPT '06


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