Professor Timothy S. Fisher

Professor Timothy S. Fisher

Principal Investigator

Timothy S. Fisher (PhD 1998, Cornell) was born in Aurora, IL USA. He joined UCLA’s Department of Mechanical & Aerospace Engineering in 2017 after spending 15 years at Purdue’s School of Mechanical Engineering, and several years previously at Vanderbilt University. He is the founding Director of the Center for Integrated Thermal Management of Aerospace Vehicles, supported by the US Air Force Research Laboratory and leading industrial members: Boeing, Honeywell, Lockheed Martin, Northrop Grumman, and Rolls-Royce. He is an Adjunct Professor in the International Centre for Materials Science at the Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) and he co-directs the Joint Centre on Nanomaterials for Clean Energy and Environmental Sensors. From 2009 to 2012, he served as a Research Scientist at the Air Force Research Laboratory’s newly formed Thermal Sciences and Materials Branch of the Materials and Manufacturing Directorate. In 2013 he became the James G. Dwyer Professor in Mechanical Engineering at Purdue, and in the same year he founded a start-up company to commercialize inventions from his laboratory. Prior to his graduate studies, he was employed from 1991 to 1993 as a design engineer in Motorola’s Automotive and Industrial Electronics Group. His research has included studies of nanoscale heat transfer, carbon nanomaterial synthesis, coupled electro-thermal effects in semiconductor and electron emission devices, energy conversion and storage materials and devices, microfluidic devices, biosensing, and related computational methods ranging from atomistic to continuum scales. (Google Scholar, Linkedin) [tsfisher@g.ucla.edu]

PhD Students

Bryce Boyer

Bryce Boyer

Bryce joined the group in Fall 2018 as a PhD student in Mechanical engineering. After completing his BS in 2016 at Kansas State University, he worked for two years in the flare combustion industry as a project engineer. His current research focuses on aerospace thermal protection systems, particularly ablation at hypersonic leading edges. Bryce’s other interests include spacecraft thermal management and mission design, propulsion systems, and high-temperature materials. In his free time, he enjoys learning languages, scuba diving, and watching Kansas City sports teams win championships. [brycejboyer@g.ucla.edu]

Indronil Ghosh

Indronil Ghosh

Indronil joined NTRG in Spring 2019 as a PhD student in Mechanical Engineering. He earned his BS in Engineering Mechanics from the University of Illinois at Urbana-Champaign, where he completed research on the optimization of Raman cooling of photonic crystals, under Prof. Gaurav Bahl. He has collaborated with The Aerospace Corporation to computationally model the heat transfer and fluid mechanics in ball bearings. Interning at The Aerospace Corporation, he developed thermal analyses and data processing tools for projects on orbital heating and laser heating. Now, at UCLA, he is modeling thermionic emission at the hypersonic leading edge. You can also find him helping his colleagues numerically model flash depressurization. Outside research, Indronil enjoys using AI/machine learning APIs to automate his home and learning new languages (currently Mandarin and Japanese). (Google ScholarLinkedInResearchGate) [ighosh@g.ucla.edu]

Min Jong Kil

Min Jong Kil

Co-webmaster

Min Jong Kil joined the NTRG in Fall 2021 as a PhD student in Mechanical Engineering. He received his MS in Mechanical Engineering from UCLA in 2021. He received his B.S. from Seoul National University of Science and Technology (SNUST) (under Prof. Jihwan An) and from Northumbria University in 2020, where he worked on atomic layer deposition, solid oxide fuel cells, and catalysts. He worked at Korea Electronics Technology Institute (KETI) (under Dr. Hyeongkeun Kim), on atomic layer deposition, EUV pellicle, and supercapacitors. In NTRG, he is working on solar-thermal graphite synthesis of the heat spreader and thermal interface materials for electronics cooling. Especially, he is working on thermally enhanced organic substrates for GaN power amplifiers for SRC project. Also, he is working on developing thermal properties measurements (thermal diffusivity and thermal interface resistance). (Google ScholarLinkedInResearchGate) [hjkz3514@g.ucla.edu]

Zachary Wong

Zachary Wong

Co-webmaster

Zachary joined NTRG in Fall 2019 as a UCLA undergraduate in Mechanical Engineering. He completed his MS and is currently pursuing a PhD in Mechanical and Aerospace Engineering. His early work was part of the ARPA-E SHOTEAM project (under Dr. Ivan Catton and Dr. Timothy Fisher), and centered on computational fluid dynamics and performance optimization for high-temperature supercritical CO2 recuperators. Currently his research focus is on passive two-phase thermal control for spacecraft, mini-/micro-channel heat transfer, and data assimilation. Much of this work centers around oscillating heat pipes. Some of his other interests beyond research are running, cooking, and music. (LinkedIn) [zwong888@g.ucla.edu]

Naarendharan Meenakshi Sundaram

Naarendharan Meenakshi Sundaram

Naaren joined the NTRG team in Fall 2023 as a PhD student in Mechanical Engineering. He received his MS in Mechanical Engineering from UCLA in 2023. He finished his undergraduate at NIT, Trichy, India. His undergraduate research (under Prof. Suresh Sivan) involved the utilization of solid-liquid phase change material for energy storage applications.  After his undergraduate, he worked as a research assistant at IIT Roorkee, India (Under Prof. Ankit Bansal) in analyzing the effect of radiation heat transfer in nucleate boiling under microgravity conditions.  As part of his master’s research, he worked on analyzing the effect of pool boiling curve of water under different gravities (Earth, Mars, and Moon). His current research focus involves utilizing two-phase cooling technologies for electronics cooling and data center cooling applications. Some of his other interests involves playing Cricket and Table Tennis. (Linkedin) [msnaaren2330@ucla.edu]

Benjamin Heronimus

Benjamin Heronimus

Ben joined the NTRG in Fall 2022 as a PhD student in Aerospace Engineering. He received his bachelors in Astrophysics and Engineering Physics from the University of California, Berkeley. At Berkeley he worked on applications of carbon nanotube based technologies with applications including electron beam lithography, COVID-19 detection, and E-field emission. Within NTRG, Ben works as a part of the Solar Processing Team. Here he focuses on discovering and highlighting the properties of the carbon based materials that are a product of the solar process. In the future, Ben hopes to determine the viability of altering the process for carbon dioxide while continuing to reap the benefits of the produced carbon materials. Outside of research, Ben appreciates going to the gym, reading science fiction, playing board games, and trying to catch up on Dungeons and Dragons shows. (Linkedin[bheronimus@g.ucla.edu]

Yanda Wang

Yanda Wang

Yanda Wang joined the NTRG in Fall 2023 as a PhD student in Mechanical Engineering. He received his B.S. in Energy and Power Engineering from Huazhong University of Science and Technology (HUST) in 2023, where he gained experience in molecular dynamic simulation and studied green hydrogen production technology from biomass based on machine learning. In NTRG, his research currently focuses on solar−thermal production of graphitic carbon and hydrogen via methane decomposition, including construction of thermochemical model and investigation on the molecule scale. In the spare time, he is a fan of Hegel and enjoys visiting all famous sites in the CA region. (Linkedin) [yandawang926@g.ucla.edu]

Brian Park

Brian Park

Brian Park received his BS degree from the University of Illinois, Urbana-Champaign (UIUC) in 2021. His master’s and bachelor’s research focused on semiconductor material processing and analysis. He joined NTRG in Winter 2024 as a PhD student in Chemical Engineering. He completed his Master of Science degree in 2024 and is currently pursuing a PhD in Chemical Engineering. Currently, he has been actively involved in a project where they utilize a solar simulator to generate graphite for further analysis and experimentation. Outside of research, he enjoys practicing jiu jitsu, swimming, and playing golf. (Linkedin) [dbpark2@g.ucla.edu]

Masters Students

Rafael Maldonado Comas

Rafael Maldonado Comas

Rafael Maldonado Comas is from San Juan, Puerto Rico. He joined NTRG in Fall 2023 as a MS student in Mechanical Engineering with a focus on Mass and Heat Transfer. He received his B.E. degree in Mechanical Engineering with a concentration in design from the Georgia Institute of Technology in 2019. Prior to his graduate study, Rafael worked for Honeywell Aerospace as thermal analyst / project engineer for heat exchangers and as an R&D engineer for thermal management systems, the latter of which is on-going. Within NTRG, he is working on high-temperature supercritical CO2 heat exchanger optimization and testing. Rafael is passionate about energy systems, renewable and sustainable energy, heat exchangers, and heat transfer. In the future, he hopes to contribute to zero-carbon emission transportation and power via improvements to thermal management systems. Outside of research, Rafael likes playing basketball, watching sports, playing board games, traveling, and hanging out with friends and family. [rafamcpr9@g.ucla.edu]

Soyoung Jo

Soyoung Jo

Soyoung Jo joined the NTRG in Fall 2023 as a master’s student in Mechanical Engineering. She received her bachelor’s degree in Manufacturing Systems and Design Engineering (MSDE) department from Seoul National University of Science and Technology (SNUST) and from Northumbria University in 2021. Prior to her graduate study, Soyoung worked as a battery system engineer for EVs in the R&D department of Hyundai Motors. Within NTRG, Soyoung works as a part of the Solar Processing Team. Outside of research, she enjoys traveling, tennis, golf, and hanging out with family and friends. (Linkedin) [soyoungjo@g.ucla.edu]

Ben Yang

Ben Yang

Ben joined the NTRG team in Winter 2024 as a MS student in Electrical Engineering. He received his bachelors in Electrical Engineering from UCLA. His undergraduate research (under Prof. Sam Emaminejad) centered on a magnetically actuated digital microfluidic platform for automated, accessible, and adaptable molecular diagnostics (“The Ferrobotic Platform”). Currently, he is exploring his research interests in semiconductor packaging, focusing on hybrid bonding and two-phase cooling technologies. Apart from academic life, he enjoys fish keeping, traveling, and golfing. (Linkedin) [byang164@ucla.edu]

Jonathan Park

Jonathan Park

Jonathan joined NTRG in Spring 2023 as a UCLA undergraduate in Mechanical Engineering. After receiving his bachelor’s degree in Spring 2024, he is continuing as a master’s student at UCLA. His early undergraduate research ranged from computational fluid dynamics simulation of the solar methane decomposition process to writing LabVIEW code for the field-scale process. Currently, he works on developing the control system of the field-scale process as well as exploring research interests such as thermal analysis and material characterization of solar-processed products. He aims to transition as a PhD in mechanical engineering after his master’s degree. Apart from academic life, he likes to play and listen to music, and hang out with friends and family. (Linkedin) [jons0226@g.ucla.edu]

Undergraduate Students

Sean Maguire

Sean Maguire

Sean Maguire is a third year mechanical engineering major at UCLA. His current work as a member of the FlashPoint Cooling team at NTRG focuses on modeling and simulating transient two-phase cooling for electronic applications. Additionally, Sean is a member of Bruin Racing Baja at UCLA working within the ECVT subteam to design and manufacture the team’s transmission system for the Baja SAE competition. Outside of Academics Sean enjoys playing guitar, intramural soccer, and snowboarding.

Stetson Schott

Stetson Schott

Stetson joined NTRG in Winter 2023 as a junior in Mechanical Engineering with a double major in mathematics. Previously he taught the E96 class on GoKarts at UCLA’s Engineering Design Summer Institute to high school students. He is also an active participant in Bruin Supermileage, Solar Decathlon and Aquaponics. In his free time he enjoys cooking, exploring LA on his bike, and watching movies. (Linkedin)

Snigdha Prakash

Snigdha Prakash

Snigdha Prakash is a third -year undergraduate in mechanical engineering from Simi Valley, CA. She joined the solar processing team in Winter 2024, where she is assisting in the translation of the solar methane decomposition technology from the lab to the field. Prior to joining the NTRG, she interned at the NASA Jet Propulsion Laboratory as a Flight Systems Engineer for the GRACE-C mission and was an undergraduate researcher at the UCR bMech lab, where she studied pulmonary biomechanics. She hopes to work in industry in the future in the fields of energy and materials engineering. Snigdha is also a passionate student of Indian Classical music which she has been learning for the last 11 years and in her free time enjoys running, hiking, and learning new languages. (Linkedin) [sprak011@g.ucla.edu]

Sundi Win

Sundi Win

Sundi joined NTRG in Winter 2024 as a third year undergraduate mechanical engineering student. Her current work focuses on CFD simulations on the solar methane decomposition reactor. She is also the baja chassis testing project engineer as well as a member of the ASME X1 robotics club. In her free time she enjoys cooking, knitting, and watching movies. (Linkedin) [sundiwin6612@g.ucla.edu]

Joanne Junaedi

Joanne Junaedi

Joanne is currently a second year mechanical engineering student from Connecticut. At UCLA, she is involved in the hydrogen team in Bruin Supermileage, working on designing and manufacturing a hydrogen fuel cell for a hydrogen powered car. She is also involved on X1’s surgical robotic team, where she is helping manufacture parts as well as assembly. In NTRG, she is currently in the solar processing team. In her free time, Joanne enjoys crocheting, thrifting, being in nature, and exploring everything LA has to offer. (Linkedin) [jjunaedi10@g.ucla.edu]

Robert Castillo

Robert Castillo

Robert is a first-year mechanical engineering undergraduate from Bakersfield, California. His current involvement within NTRG consists of working alongside the solar methane decomposition team to create a video outlining their cutting-edge research. Robert is also a member of the Center of Excellence in Engineering and Diversity, CalTeach program, and a member of the structural team on X1’s newest project, the surgical robotic technician. For leisure, he likes to indulge in photography, knitting, and playing music with a wide variety of instruments; currently, he is a member of the Latine Film and Theatre Association as well as an alto clarinetist within the Game Music Ensemble. Robert hopes to one day work within the nuclear energy sphere to further fusion technology and bring the world to a greener future. (Linkedin)

Gabriel Centeno

Gabriel Centeno

My name is Gabriel Centeno, I’m a first-year mechanical engineer and I’m working under Zachary Wong’s supervision to research OHP (oscillating Heat Pipes) and their construction, as well as applications. Currently, we’re working on designing a cooling mechanism for an infrared camera that will observe the heat distribution of an OHP in a vacuum. Some of my interests include thermodynamics, manufacturing, and automotive engineering. Outside of the lab, I love to play volleyball and ping pong, read science fiction books, and consider myself a cinephile as well as a music lover. (Linkedin) [gabrielcenteno@g.ucla.edu]

Madison Garcia

Madison Garcia

Madison is currently a second-year Mechanical Engineering student from Apple Valley, California. Under the supervison of Zachary Wong, she is conducting research on Oscillating Heat Pipes (OHPs), designing and constructing a test rig to evaluate their performance. Madison is also activley involved with the Center of Excellence in Engineering and Diversity as well as the American Society of Mechanical Engineers and Society of Latinx Engineers and Scientists at UCLA. Outside of her research she enjoys running, hiking, playing softball and exploring new coffee shops around the Los Angeles area. (Linkedin) [madsgar315@g.ucla.edu]