Members

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 ScholarLinkedIn)

Dr. Kaiyuan Jin

Dr. Kaiyuan Jin

Postdoctoral Researcher

Kaiyuan joined the NTRG in 2020. He received his B.S. from Tsinghua University in 2015 and his Ph.D. in Mechanical Engineering from UCLA’s Wirz Research Group in 2019. His Ph.D. research focused on thermal energy storage technologies with sulfur as a storage medium. In NTRG, Kaiyuan is working on the project titled Superalloy Heat Exchangers Optimized for Temperature Extremes and Advanced Manufacturability (SHOTEAM), under an ARPA-E grant. He co-leads the computational model development and experimental studies for heat transfer and hydraulic behavior in superalloy heat exchangers. (Google ScholarLinkedIn)

Dr. David Brown

Dr. David Brown

Postdoctoral Researcher

David joined the NTRG in Fall 2020. He completed his PhD (2019) in Mechanical Engineering at the Georgia Institute of Technology. His research interests were heat transfer, energy transport, and materials science. During his PhD, he used ultrafast lasers to investigate the thermal transport in two-dimensional materials and thin films for thermal management of electronic devices and other energy systems. David received multiple fellowships including the National Science Foundation Graduate Research Fellowship, the Georgia Tech Center for Organics and Photonics Fellowship, and the Alfred P. Sloan Foundation Minority PhD Fellowship. In 2018, he won an Outstanding Paper Award at the IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems. After graduation, he joined Raytheon Intelligence and Space (formerly Raytheon Space and Airborne Systems) in El Segundo, CA. At Raytheon, he used his background in the thermal sciences to perform thermal analysis of spacecraft hardware. His current research focuses on high temperature thermal properties and cooling of hypersonic leading edges. (Google ScholarLinkedInResearchGate)

Prof. Yanguang Zhou

Prof. Yanguang Zhou

Professor at HKUST

Yanguang is an Assistant Professor at the Hong Kong University of Science and Technology (2020). He received his PhD (2017) from RWTH-Aachen University (Germany). Before that, he finished his Bachelors (2011) and Masters (2014) studies at China University of Geoscience and Beihang University (China), respectively. His research interests are mainly in developing new computational frameworks for nanoscale heat transport considering high-order scattering and interactions between magnons, electrons, and phonons, as well as nanostructuring to improve thermal and electrical transport properties. Apart from research, he is a crazy fan of basketball. (Google ScholarLinkedInResearchGate)

Yijun Ge

Yijun Ge

PhD Student

Yijun joined the group in Fall 2015 as a PhD student in Mechanical Engineering. She received the MS degree from Purdue University and Bachelors degree from Huazhong University of Science and Technology, China. She is working on oxide interface thermal transport, using Density Functional Theory in combination with an atomistic Green’s Function approach. She is also interested in thermal transport and electron-phonon coupling mechanisms in metals and 2D material interfaces. (LinkedIn)

Ujash Shah

Ujash Shah

PhD Student

Ujash joined the group in Fall 2016 as a PhD student in Mechanical Engineering. He graduated with a Bachelors (Honors) degree in Mechanical Engineering from BITS-Pilani, India with a joint thesis in association with UBC, Canada. His undergraduate research involved experimental and computational studies on Fluidized Bed systems for both energy generation and chemical processes. His current research involves theoretical, computational, and experimental studies for rapid transient thermal management for high-performance electronic systems with flash cooling. He loves to hike and is a fan of strategic multiplayer e-sports. (Google ScholarLinkedIn)

Yuan Hu (co-webmaster)

Yuan Hu (co-webmaster)

PhD Student

Yuan finished his MS with Professor Fisher at Purdue (Shanghai Jiao Tong-Purdue 3+2 program) and after two years at Eli Lilly as a process engineer he returned in Spring 2016 to continue as a PhD student. His research interests are in metrology, customized instrumentation, and Bayesian statistics. Currently he works on thermophysics property characterization at high temperatures, as well as development of Bayesian statistical frameworks for uncertainty quantification in inverse problems. He is also specialized for electrochemical characterization and instrumentation, especially rapid impedance analysis for supercapacitors and gas sensors. Outside research, Yuan plays table tennis for UCLA’s varsity team. (Google ScholarLinkedIn)

Shenghao Wu

Shenghao Wu

Visitng PhD Student

Shenghao joined the group in Fall 2019 as a visiting researcher. He earned his BS degree (2016) from Zhejiang University, China, and is currently a PhD student in New Energy Science and Engineering at Zhejiang University. Under the co-supervision of Prof. Fisher and Prof. Zheng Bo, his research involves solar-thermal energy technology, plasma nanofabrication, and graphene applications. Now, he is working on rapid glucose diagnosis by graphene-based electrochemical biosensing. Outside of research, he likes playing sports and outdoor activities (e.g. basketball, hip-hop, table tennis, and hiking). (Google Scholar)

Akshay Krishna

Akshay Krishna

PhD Student

Akshay joined NTRG in Winter 2019 as a PhD student in Mechanical Engineering. He received his BTech from Vellore Institute of Technology (VIT), where he worked on the evaluation of elastic properties of glass fiber reinforced graphene-epoxy composites by vibrational testing. In NTRG, Akshay is a co-lead on the project titled Superalloy Heat Exchangers Optimized for Temperature Extremes and Advanced Manufacturability (SHOTEAM), funded by ARPA-E. He spearheads the numerical modeling of the heat exchanger to predict the heat transfer and fluid flow. His work focuses on employing optimization techniques to discover an optimal design for the high temperature heat exchanger with supercritical CO2. Apart from research, Akshay enjoys playing cricket and has represented the national team of Bahrain in multiple international tournaments. (LinkedIn)

Abdullah Alghfeli

Abdullah Alghfeli

PhD Student

Abdalla joined NTRG in Fall 2018 as a PhD student in Mechanical Engineering. He received his BS degree from the American University of Sharjah (AUS) and his MS degree from the University of Florida (UF). He worked in the aerospace industry (Airbus) as well as the energy sector at Dubai Electricity and Water Authority (DEWA). In NTRG, Abdalla is working on heat flux and thermal property characterization by using a high flux solar simulator. His work focuses on modeling, simulation, and building an experimental setup that utilizes the solar simulator for graphene synthesis. The quality of the produced graphene will be characterized by Raman spectroscopy, emission spectroscopy, and scanning electron microscopy in order to optimize the graphene synthesis process. (LinkedIn)

Mostafa Abuseada

Mostafa Abuseada

PhD Student

Mostafa joined the research group in Fall 2019 as a PhD student in Mechanical Engineering. He earned his MSc (thesis-based) from University of Minnesota Duluth (May 2019) and his BSc from Texas A&M University at Qatar (May 2015). During his MSc, he focused his research on concentrated solar power applications, completing his thesis titled “An experimental and numerical study on the heat transfer driven dynamics and control of transient variations in a solar reactor”. His current research interest is in the production of hydrogen and other commodities through solar thermal and thermochemical applications. Apart from research, he enjoys playing squash. (Google ScholarLinkedInResearchGate)

Bryce Boyer

Bryce Boyer

PhD Student

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.

Matthew Ma

Matthew Ma

PhD Student

Matthew joined the group in Fall 2018 as a PhD student in Mechanical Engineering with thermal sciences as his major field. He earned his BS in Mechanical Engineering from Johns Hopkins University in Spring 2018 and had prior internship experiences at Northrop Grumman and Nordson Corp. before coming to UCLA. Currently, his research is on flash cooling, with approaches from both experimental and theoretical studies to better understand this rapid, dynamic, cooling phenomena. Besides research, Matthew likes to hike the outdoors and explore more of the world through music, discovering old and new melodies on the piano. (Website)

Indronil Ghosh (co-webmaster)

Indronil Ghosh (co-webmaster)

PhD Student

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)

 

Yang Li

Yang Li

PhD Student

Yang joined NTRG in Fall 2020 as a PhD student in Mechanical Engineering. He received his M.S. degree from Carnegie Mellon University where he studied thin film evaporation using Molecular Dynamics simulations, and he received his BE degree from HUST, China. His research interest is in nanoscale heat transfer and he is studying thermal transport by phonons, electrons, and magnons. Outside research, he is a fan of basketball. (Google ScholarLinkedIn)

Min Jong Kil

Min Jong Kil

PhD Student

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 thermally enhanced organic substrates for GaN power amplifiers. (Google Scholar, LinkedIn, ResearchGate)

Zachary Wong

Zachary Wong

MS Student

Zachary joined NTRG in Fall 2019 as a UCLA undergraduate and is currently pursuing a MS in Mechanical Engineering. Zachary is currently involved in the ARPA-E SHOTEAM project, where his work centers on optimization and computational flow dynamics. Some of his other interests beyond research are long-distance running, cooking, and playing music. (LinkedIn)

Leah Pretorius

Leah Pretorius

Undergraduate Student

Leah joined the group in Summer 2020 as an intern for the SHOTEAM project and is currently a senior pursuing a BS in Mechanical Engineering. Her research focuses on developing a cost model for sCO2 Brayton applications, based on the computational performance program she developed for several advanced power cycles, and performing a parametric study on these models to understand the effect of recuperators and design a high efficiency sCO2 Brayton cycle. She is interested in renewable energy applications of thermodynamic power cycles. She has been involved in Bruin Racing, Bruin Animal Rescue Coalition, and International Ambassadors at UCLA. (LinkedIn)

Saurin Holdheim

Saurin Holdheim

Undergraduate Student

Saurin joined NTRG in Summer 2020 and is currently an undergraduate pursuing a BS in Mechanical Engineering. In NTRG, Saurin performs high-fidelity modeling to complement experimental work for the High Temperature Thermal Property Characterization using Modified Ångström’s Method project. Saurin also works in UCLA’s Matrix Laboratory on a joint-project between the groups on the development of a hypersonic leading edge, for which he models transient heat transfer, stress distribution, phase change and thermal shock. Outside of research, Saurin enjoys traveling and swimming in the ocean. (LinkedIn)

Nicholas Godshall

Nicholas Godshall

Undergraduate Student

Nick joined NTRG in Fall 2020 as an undergraduate pursuing a BS in Mechanical Engineering. Nick’s research focuses on the investigation of various computational methods to minimize error in high temperature thermal property measurement. In Fall 2019, he worked as a research intern with Planetary Scientists at NASA Jet Propulsion Laboratory. On campus, Nick is a member of the student ASME organization. Outside of school, his interests include baseball, skating, and cooking. (LinkedIn)

Alex Pagano

Alex Pagano

Undergraduate Student

Alex joined the group in Summer 2019 and is currently an undergraduate student pursuing a BS in Aerospace Engineering. Alex’s research in NTRG focuses on high temperature testing of materials for the design of hypersonic vehicles and flash cooling of silicon wafers. He is also involved in Rocket Project at UCLA, with a focus on the vehicle engineering subteam. Outside of research, he enjoys hiking and scuba diving. (LinkedIn)