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The Team

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Dylan Romig: dcr69@drexel.edu

Dylan Romig is a freshman mechanical engineering major at Drexel University. He lives in the Lehigh Valley located in eastern Pennsylvania. Dylan is a member of Drexel's Formula SAE Electric Vehicle Team and AIAA. His main interests and passions reside around aerospace and manufacturing. He hopes to take his expertise in design, fabrication and machining into the entrepreneurial manufacturing sector to work on a start-up in advanced production of aerospace vehicles and systems.  He is the lead for the mechanical design and fabrication of the heat pipe.

Man Yi (Ariel) Yeung: my442@drexel.edu

I am a freshman chemical engineering student at Drexel University. I am from Shanghai, China. I am passionate about chemical engineering because I love to apply my knowledge in science to solve problems. I am interested in a variety of chemical engineering fields, especially the pharmaceutical and energy section. I hope to learn more about chemical engineering and become a successful chemical engineer. I am the main research and developer of the project.


Jonathan Schwenk: jds447@drexel.edu

 I am a freshman chemical engineering major at Drexel University. I am from Lansdale, PA. I hope to gain useful knowledge and experience in chemical engineering while at Drexel, which can be applied in a future job, potentially one in the pharmaceutical industry. My main role in this project involves testing the constructed heat pipe.

Jianqiao Song: js4466@drexel.edu

I am a freshman chemical engineering student at Drexel University. I am from Tieling, Liaoning, China. I would like to dig for more knowledge about my major and hopefully find a
 job and live a decent life. My main role in the project would be focused on maintenance of this blog, though I will be involved in the process of building and testing the heat pipe.

Advisor:

John Speidel:  speidel@drexel.edu

John Speidel is a teaching professor in the Department of Chemical and Biological Engineering at Drexel University. He is also the main advisor for this project.

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Week 1

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The primary focus of week 1 was to research the existing designs of a heat pipe, understand the mechanisms at which they operate, and come up with ideas to build an efficient low temperature heat pipe. The main purpose of the heat pipe is to transfer heat from one place to another. Research was conducted on low-temperature applications and the advantage and disadvantage of different designs. After analyzing the information and taking into account the time and budget restriction for this project, an initial design of the heat pipe was generated.  The heat pipe will be made of copper tubing with mesh inside the tubes to serve as a wick. There will also be Aluminum heatsink fins at the condenser end to increase surface area for the spreading of heat to the surrounding. The main tasks include research, initial design, ordering of material, generation of CAD model, construction, testing, and optimization. The design and construction of the heat pipe are limited to a budget of $400 ...
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Week 7

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This week in lab the team finished the construction of the final heat pipe design and was able to find a vacuum pump to test how a heat pipe would perform under vacuum. Unfortunately, the results were not promising as the new heat pipe did not nearly work as it was expected to. For the final heat pipe, one end is closed, while the other end is equipped with a valve, as shown below, that can be used to add working fluid and connect to the vacuum pump to create vacuum. After the air is pumped out, the heat pipe is tested with acetone and with water as working fluids. The result is not as well as expected. More experiments will be conducted on this heat pipe next week. The results of the experimentation done are shown below:
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Week 5: Pre-Lab

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It was realized during the testing in Week 4 that a significant design change was required in order to boost the function of the heat pipe. The team assumed that a smaller diameter pipe would improve working fluid circulation at higher temperature values but it was soon discovered that this was not necessarily true. Our results showed a decreased performance with smaller pipe diameters and longer heat pipe lengths. To combat this issue, a redevelopment of the heat pipe design is necessary. One of the vital pieces of a heat pipe is that the interior is in a partial vacuum or the pipe is completely evacuated of air allowing for maximum working fluid circulation. This important component in the design of a heat pipe gives it its function to rapidly disperse heat from one end to the other. As demonstrated in this video . Future heat pipe designs are going to utilize a method to evacuate air from the pipe to provide a near vacuum. The vacuum is essential to higher efficiency heat pipes in a...
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