S&M Young Researcher Paper Award 2020
Recipients: Ding Jiao, Zao Ni, Jiachou Wang, and Xinxin Li [Winner's comments]
Paper: High Fill Factor Array of Piezoelectric Micromachined
Ultrasonic Transducers with Large Quality Factor

S&M Young Researcher Paper Award 2021
Award Criteria
Notice of retraction
Vol. 32, No. 8(2), S&M2292

Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
Sensors and Materials
is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.

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S&M2560 Research Paper of Special Issue

New Design of Compressor Blade with Moderate Material Properties for Performance Optimization

Yuchao Song, Hongliang Yu, Jianbin Liao, Chih-Cheng Chen, and Christopher Chun Ki Chan

(Received October 21, 2020; Accepted April 5, 2021)

Keywords: centrifugal compressor wheel, blade, leading-edge design, pressure ratio, efficiency

When optimizing the performance of a high-speed centrifugal compressor performance, the mechanical properties of the blade material must be suitable for the sensor mounted on the compressor. We designed a new blade with a leading edge having a multistep concave–convex profile, inspired by research on bionics and BladeGen software (an interactive turbomachinery design tool). We compared its performance with that of an original blade having a straight-line leading edge. For the new blade, TurboGrid refinement technology is used to ensure the meshing of the profile’s structure. Computation results show that the deformation displacement of the new blade is reduced by 4.26% and that it has better mechanical properties. Moreover, the static pressure ratio and the total pressure ratio of the new wheel are both higher than those of the original wheel over a wide range of mass flow rates. The efficiency of the new wheel decreases slightly by about 1% at an intermediate mass flow rate, but the total-total efficiency and total-static efficiency of the new wheel are increased by 0.35% and 6.36% at a high mass flow rate of 0.1781 kg/s and by 0.02% and 0.84% at a low mass flow rate of 0.0832 kg/s, respectively. Thus, the new blade design improves the mechanical properties of the blade and the smaller stress is beneficial for compressor performance optimization during the sensing process.

Corresponding author: Hongliang Yu, Chih-Cheng Chen




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