Jang-Horng Yu

Title: Jang-Horng Yu: Innovator in Material Properties and Satellite Technology

Introduction

Jang-Horng Yu is a notable inventor based in Blacksburg, Virginia, recognized for his contributions to the fields of elastomeric materials and satellite technology. With a total of two patents to his name, Yu has made significant advancements that have practical applications in various industries.

Latest Patents

One of Yu's latest patents is a method and apparatus for determining bulk material properties of elastomeric materials. This invention focuses on measuring essential bulk material constants, such as Poisson's ratio and the ratio of shear modulus to bulk modulus. The method involves applying pressure to the elastomeric material and measuring the resulting pressure change. This innovative approach allows for the assessment of how temperature changes or the addition of a diluent affect the material properties. The apparatus includes a container for the elastomeric material and a pressure sensor that accurately measures the pressure within the container.

Another significant patent by Yu is a satellite angular momentum control system utilizing magnet-superconductor flywheels. This system is designed for dynamic attitude maintenance and alteration in satellites. The flywheel is levitated by a high-temperature superconducting element that interacts repulsively with permanent magnets. The system is capable of controlling the spin rate of the flywheel through an active magneto or electromagneto drive system. This technology is lightweight, with a total weight ranging from about 10 Kg to a fraction of 1 Kg, while delivering 3.5 Js with minimal energy loss.

Career Highlights

Throughout his career, Jang-Horng Yu has worked with esteemed institutions such as the University of Houston System and Virginia Tech Intellectual Properties, Inc. His work has significantly impacted the fields of material science and aerospace engineering.

Collaborations

Yu has collaborated with notable colleagues, including Wei-Kan Chu and Ki Bui Ma, contributing to the advancement of technology in his areas of expertise.

Conclusion

Jang-Horng Yu's innovative patents and career achievements highlight his role as a significant contributor to advancements in material properties and satellite technology. His work continues to influence various industries, showcasing the importance of innovation in solving complex challenges.