Initial Study of the Onsite Measurement of Flow Sensors on Turbine Blades (SOTB)

doi:https://doi.org/10.3390/mi15070877

淡江大學機構典藏 > 工學院 > 機械與機電工程學系暨研究所 > 期刊論文 > Item 987654321/125875

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题名:	Initial Study of the Onsite Measurement of Flow Sensors on Turbine Blades (SOTB)
作者:	Yang, Lung-jieh;Wang, Wei-cheng;Wu, Jie-xun;Tasupalli, Chandrashekhar
关键词:	sensor on turbine blade (SOTB);complementary metal-oxide semiconductor (CMOS);horizontal axis wind turbine (HAWT);onsite measurement
日期:	2024-07-03
上传时间:	2024-08-07 12:06:10 (UTC+8)
出版者:	MDPI
摘要:	This paper presents a new framework using MEMS flow sensors on turbine blades (SOTB) to investigate unsteady flow features of a rotating wind turbine. Self-heating flow sensors were implemented by the U18 complementary metal-oxide semiconductor (CMOS) MEMS foundry provided by Taiwan Semiconductor Research Institute (TSRI). Flow sensor chips with a size of 1.5 mm × 1.5 mm were parylene-coated, output via a wireless data acquisition system (WDAQ), and mounted at the root, middle and tip of a 1.2 m diameter semi-rigid turbine blade of a 400 W horizontal axis wind turbine (HAWT). The instantaneous angles of attack (AOAs) of the SOTB were found to be 46~62◦, much higher than the general stall AOA of 15◦, but were accurate considering the normal detection of the flow sensors. The computational fluid dynamics (CFD) simulation of the HAWT was also compared with the SOTB output. The onsite measurement herein revealed that the 3D secondary flow increment, mostly obvious near the middle part of the turbine blades, degraded both the sensor and the turbine performance and initially justified the onsite measurement application.
關聯:	Micromachines 15(7),　877
DOI:	https://doi.org/10.3390/mi15070877
显示于类别:	[機械與機電工程學系暨研究所] 期刊論文

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