Design of a low-cost pressure measurement device: validation and testing
by The Tran Hung; Dinh Le Anh; Dinh-Dung Nguyen
International Journal of Sustainable Aviation (IJSA), Vol. 8, No. 4, 2022

Abstract: Pressure measurement is essential in aerospace engineering. Measuring pressure allows us to understand the aerodynamic characteristics of the model. Consequently, it helps us propose an optimisation model design with high aerodynamic performance and low structure fatigues. However, the pressure measurement device is often complicated and costly. It is a big problem for developing countries to possess the device. This study proposes a simple and effective new pressure measurement device design. The device is sufficiently low cost, but it can provide high accuracy data as a commercial device. A calibration process was presented in a simple wind tunnel. Experiments are then conducted for measuring pressure distribution on NACA 2415 airfoil, and they are compared with the numerical data. The new pressure measurement device shows close results to the numerical data. A significantly low-pressure region is observed near the leading edge of the model. Additionally, when the angle of attack increases, the negative pressure peak increases its magnitude, both in numerical and simulation methods. The pressure measurement errors are less than 10%, and consequently, they can be applied for further study.

Online publication date: Fri, 28-Oct-2022

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