Yung-Li Chang

Title: The Innovative Contributions of Yung-Li Chang

Introduction

Yung-Li Chang is a notable inventor based in Tainan, Taiwan. He has made significant contributions to the field of digital particle image velocimetry. His innovative approach has led to the development of a low-cost system that enhances the measurement of fluid dynamics.

Latest Patents

Yung-Li Chang holds a patent for a Low-Cost Continuous-Wave Laser Digital Particle Image Velocimetry system. This invention proposes a system that utilizes basic, low-cost equipment, including a continuous-wave laser, a CCD camera, a PMT, an image-processing card, and a personal computer. The system features an add-on alternating-color planar laser-sheet generating facility, which allows for effective planar velocity measurements. The continuous-wave laser operates in mixed mode, transforming the laser beam into a planar laser sheet with alternating colors at a designated frequency. The CCD camera captures images of the flow field, which are then analyzed on a personal computer to determine the velocity distribution.

Career Highlights

Yung-Li Chang is associated with the National Science Council, where he has been instrumental in advancing research in fluid dynamics and imaging technologies. His work has not only contributed to academic knowledge but also has practical applications in various industries.

Collaborations

Yung-Li Chang has collaborated with notable colleagues, including Yei-Chin Chao and Chih-Yung Wu. Their combined expertise has furthered the development of innovative technologies in their field.

Conclusion

Yung-Li Chang's contributions to digital particle image velocimetry exemplify the impact of innovative thinking in scientific research. His low-cost system represents a significant advancement in the measurement of fluid dynamics, showcasing the potential for practical applications in various industries.