ENGINEERING

Engineering Projects

I enjoy engineering because it challenges ideas to confront reality. A concept may appear elegant on paper, but a prototype must actually function under real conditions. Through building, testing, troubleshooting, redesigning, and testing again, I have learned that engineering is an iterative process in which failure often becomes part of the solution. This cycle of turning ideas into working systems has become one of my favorite ways to learn and has strengthened my interest in practical problem-solving, design, and experimentation.

For me, engineering is where scientific knowledge becomes accountable to the real world. It requires not only understanding why something should work in principle, but also determining whether it can work reliably, efficiently, and usefully in practice. That combination of scientific reasoning and practical problem-solving is what makes engineering especially exciting to me.

I hope to continue exploring projects involving environmental systems, materials, chemical processes, scientific instrumentation, and other practical technologies that connect scientific ideas with real-world needs.


Portable Water Filtration Device

One of my early engineering projects involved designing and building a portable water filtration device. The goal was to explore whether a compact system could improve the quality of contaminated water using a relatively simple filtration structure.

I participated in the technical development and construction of the prototype. Although the device was able to remove some impurities, the filtered water still retained a noticeable yellow coloration, indicating that the system had not fully achieved its intended purpose. Rather than viewing this outcome simply as a failure, I began to consider what the remaining color revealed about the limitations of the design. It raised questions about whether dissolved substances were passing through the filter, whether the selected filtration materials were insufficient, whether adsorption or chemical treatment might be necessary, and whether the order of the filtration stages could be improved.

This project taught me that engineering is not only about producing a successful device on the first attempt. It is also about understanding how an imperfect system behaves and using those observations to guide the next design. The experience gave me an early appreciation for iterative engineering: build, test, observe, diagnose, and improve.

Research Note

Failure Analysis: Water Purifier Circuit

Advanced Sketch Editing and Feature Application in SolidWorks

Application of Basic Sketching Commands in SolidWorks for Water Purifier Design


Shoe-Cleaning Machine for Employment Accessibility

I later developed a shoe-cleaning machine around a different kind of engineering question. Instead of beginning only with a technical problem, I started with a social one: could a simple machine help create more accessible employment opportunities for people with disabilities?

The project focused on designing a shoe-cleaning system that could reduce the physical complexity of the cleaning process and make the task easier to operate. In developing the prototype, I had to think not only about mechanical function, but also about usability, accessibility, and the relationship between a technology and the people who are expected to use it.

This project changed the way I think about engineering. A machine can function exactly as intended and still fail to address the needs of its users. Good engineering therefore requires more than technical performance; it also requires understanding who the user is, what difficulties they face, and whether the design makes a task easier, safer, or more accessible.

The experience strengthened my interest in human-centered design and in developing technologies that are not only functional, but also socially useful and responsive to real human needs.