Bubble Dynamics on Multi-Tier Structured Surfaces

  • Synchronized optical, acoustic, and thermal sensing
  • Data-driven modeling of liquid-vapor interface dynamics
  • Collaboration with the Coridan Group.

Flow Boiling

  • Pumped 2-phase cooling of microchannel heat sinks
  • Flow loop compatible with testing real-world power electronic devices
  • Non-intrusive acoustic emissions sensing

Pool Boiling Bubble Tracking

  • Understanding bubble dynamics using AI and optical pool boiling data
  • Mask-RCNN object localization and DeepSORT tracking algorithm

Thermal Visualization of Friction Heating

  • High-resolution, high-speed thermal imaging
  • Visualization of thermal energy generation and dissipation

CAM and 5-Axis CNC Machining

  • Continuous 5-axis machining timelapse of Pocket NC V2-10
  • Integrated CAM and CNC machining
  • Honors student-centered research

Immersion Cooling of Power Electronics

Six MEEG honors students working with the NED3 lab defended their honors theses in Spring 2025. 

Reunion of CTRC at 2025 Gordon Research Conference: Micro and Nanoscale Phase Change Phenomena. 

Dr. Hari Pandey (Ph.D., first Ph.D. student of NED3), Joshua Mora Sanchez (BSME, Summa Cum Laude), and Josef Frankhouse (BSME, Summa Cum Laude) at the Fall Commencement.

Han Hu’s visit to the Advanced Manufacturing Center (picture with Dr. Rick Barker and Bruce Thomas) and Aerospace Center (picture with Vince Gemmiti) at the University of Arkansas – Pulaski Technological College (UA-PTC).

Han Hu with PI Jennifer Fowler at the 2025 Arkansas NSF EPSCoR DART Annual Meeting in Little Rock.

Hari Pandey and his committee members after his Ph.D. defense.

NED3 lab members facilitating ESA.

Han Hu at the 2024 ITherm ITherm Conference.

Hari Pandey presenting his paper on two-phase immersion cooling at ITherm 2024 in Denver, CO.

Stephen Pierson at the Cardinal & White Celebration.

NED3 Group Picture – Spring 2024.

Hari Pandey and Dylan Wallen, collaborator from U Cincinnati ran acoustic sensing tests of flow condensation at NASA Glenn Research Center. 

DatadDroid at 24th Arkansas Governor’s Cup Award Luncheon.

Spring 2024 Class of MEEG 2403-002 Thermodynamics with Han Hu. 

Battlebot demo by Robotics Interdisciplinary Organization of Teams (RIOT) during the UofA campus visit of George Jr. High School and Lakeside Jr. High School. 

UofA Campus visit of Chris Rogers, Project Manager, John Eustace, Project Engineer, and Yinan Li, Systems Engineer from ZIN Technologies – Powered by Voyager Space.

Jackson Marsh at the 2024 Arkansas STEM Posters at the Capitol event in Little Rock, AR.

Han Hu at the 2023 GRid-connected Advanced Power Electronic Systems (GRAPES) Conference in Fayetteville, AR. 

Han Hu at the 2023 IEEE-USA Innovation, Workforce, and Research Conference (IWRC). (From left to right) Jerri Jenise James from UAPB, Weston Waldo from UT Austin, Han Hu, and Bridgett Williams Pinkins from UAPB.

NED3 students attending the ASEE 2023 Midwest Section Conference. First photo (from left to right): Chinmaya Joshi, Stephen Pierson, Trevor Harris, and Joshua Mora Sanchez.

Stephen Pierson gives the final presentation during the UofA STEAM Training in Entrepreneurial Practices (STEP) I-Corps Closing Workshop at Brewer Family Entrepreneurship Hub.

NED3 Students at 2023 ASME Summer Heat Transfer and Energy Sustainability Conferences in Washington DC. First photo (from left to right): Hari Pandey, Ethan Weems, Christy Dunlap, Jackson Marsh, and Amanda Williams.

2023 NED3 Summer Undergraduate Student Orientation. 1st row: Christy Dunlap, Josef Frankhouse, Grant Resler, Chinmaya Joshi. 2nd row: Logan Raben, Han Hu, Corbin Russ, Hari Pandey. 3rd row: Najee Stubbs, Jackson Marsh, Harrison Greene, Trevor Harris, Ethan Weems, Jackson Minnick, and Stephen Pierson.
ASGC Certificates: Landon Lemmons, Corbin Russ, Hari Pandey, Ethan Weems, and Anthony Tello.
NED3 Lab Member at the 2023 National Award Reception: Front Row (from left to right): Christy Dunlap and Amanda Williams, and Back Row (from left to right): Han Hu, Stephen Pierson, Corbin Russ, Hari Pandey, and Larry Marshall Jr.

First photo (from left to right): Hari Pandey, Ethan Weems, Corbin Russ, and Anthony Tello at the 2023 Arkansas Space Grant Symposium in Morrilton, AR. Second photo: Amanda Williams at the symposium.

Christy presenting her poster on acoustic-based heat flux measurements at the AI for Thermal Energy Science Workshop in Irvine, CA.

News:

5/1/2025

5/1/2025: Congratulations to Jackson Burnett on defending his honors thesis!

4/28/2025 2

4/28/2025: Congratulations to Chinmaya Joshi (MEEG Outstanding Senior, First-Ranked Senior Scholar), Daniel Curl (First-Ranked Senior Scholar), and Stephen Pierson (NSF GRFP Honorable Mention) for being recognized at the College of Engineering Student Honors and Awards Reception!

4/28/2025

4/28/2025: Congratulations to Harrison Greene and Chinmaya Joshi on defending their honors theses!

4/24/2025 honors defense

4/24/2025: Congratulations to Grant Resler and Jackson Minnick on defending their honors theses!

4/24/2025

4/24/2025: Our lab is part of an Arkansas Research Alliance (ARA) Impact Grant led by Prof. Yue Zhao (link).

4/21/2025

4/21/2025: Congratulations to Chinmaya Joshi (AAS Undergraduate Research Award, ASEE poster Award), Clancy Milam (ASGC WFD Award, ASEE poster award), Cade Marcinkovich (AAS Undergraduate Research Award), Joshua Mora Sanchez (AAS Undergraduate Research Award), Stephen Pierson (NSF GRFP Honorable Mention), and Christy Dunlap (ASGC STEM Award), who were recognized in the 2025 State and National Awards Reception! 

4/12/2025

4/12/2025: Congratulations to Jake Le on receiving an Honors College Research Grant to study the impact of human occupancy on building energy consumption.

4/11/2025

4/11/2025: Christy Dunlap and Clancy Milam presented their work at the 2025 Arkansas Space Grant Symposium.

4/10/2025

4/10/2025: Colin Sim presented our collaborative work with Prof. Alan Mantooth’s lab on acoustic detection of partial discharge at the 2025 NASA EPSCoR Conference.

4/5/2025

4/5/2025: Mohammad Ishraq Hossain, Daniel Curl, Cade Marcinkovich, and Chinmaya Joshi presented their work at the 2025 Arkansas Academy of Science Annual Conference!

4/1/2025

4/1/2025: Han Hu is awarded the Twenty-First Century Professorship in Engineering (link).

12/19/2024

12/19/2024: UA-PTC has been awarded a $2.5 million grant to establish an Aerospace Center of Excellence (ACE) with industrial and academic partners. Our lab is part of this alliance (link).

12/13/2024

12/13/2024: Congratulations to Daniel Curl and Abigail Henson on receiving their Honors College Research Grants!

12/2/2024

12/2/2024: Congratulations to Joshua Mora Sanchez on defending his honors thesis!

11/21/2024

11/21/2024: Congratulations to NED3 on receiving an NSF grant to develop immersion-cooled electric motors for transportation decarbonization (link).

10/25/2024

10/25/2024: Congratulations to Chinmaya Joshi, Joshua Mora Sanchez, and Cade Marcinkovich on receiving their Arkansas Academy of Science (AAS) Undergraduate Student Grants!

10/4 – NASA RID

10/4/2024: Congratulations to NED3 on receiving a NASA EPSCoR RID grant on experimental and machine learning studies of boiling heat transfer!

10/4

10/4/2024: Congratulations to Braden Stevens, Christy Dunlap, and Hari Pandey on receiving the Reginald R. ‘Barney’ & Jameson A. Baxter Graduate Fellowship!

10/2

10/2/2024: Congratulations on NED3 on receiving an Honors College Faculty Equipment and Technology Grant to acquire a high-frequency acoustic emission sensing system!