Browsing Auburn Theses and Dissertations by Author "Tsolas, Nicholas"

Now showing items 1-9 of 9

Experimental Investigation of Bent and Flattened Heat Pipes for Thermal Management of Defense and Aerospace Electronics

Gomes, Christopher (2020-05-15)

Heat pipes are passive heat transport devices composed of a sturdy outer shell, a porous wick material, and a hermetically sealed inner chamber filled with a working fluid. These devices transfer heat energy from a ...

An Experimental Study on Novel Wick Material for Use in Bent and Flattened Heat Pipes

Bartlett, Austin (2023-04-28) ETD File Embargoed

Heat pipes are a novel and highly efficient device for removing heat from high-power electrical devices and have seen extensive use in high-performance computers, power generation, and aerospace applications. Heat pipes ...

Liquid Jet Impingement on Mesoscale Modified Surfaces for Power Electronics Cooling

Smith, Aaron (2023-10-25) ETD File Embargoed

In each vehicular generation, active safety and comfort features are added and enhanced, increasing the power draw required to operate every feature. As a result, heat generation in the power electronics is increasing, ...

Mechanical Vibration Effects on Enhanced Melting of Phase Change Materials within Latent Heat Thermal Energy Storage Devices Under Different Container Orientations

Xiao, Haohua (2023-12-04)

Phase change materials (PCM) are playing a bigger role in our daily life, from cooling of electric vehicle batteries to spacecrafts in the outer space. Research on PCM melting behavior and system performance has generally ...

Next-Gen Thermal Management for Electronics in Space – Asymmetric Sawtooth and Cavity-Enhanced Nucleation-Driven Transport (ASCENT)

Sridhar, Karthekeyan (2023-08-29) ETD File Embargoed

Nucleate pool boiling in microgravity is characterized by stagnant vapor bubble dynamics, leading to early dryout of the heated surface compared to terrestrial conditions. The Asymmetric Sawtooth and Cavity-Enhanced ...

Nonlinear Optical and Photovoltaic Studies of Specific Nonconjugated Conductive Polymers and Metallic Nanoparticles

Van Cleave, Justin (2024-06-27)

In this research, the nonlinear optical properties of specific nonconjugated conductive polymers and gold nanoparticles in transparent dielectric media have been investigated. Photovoltaic devices utilizing nonconjugated ...

A Numerical and Experimental Study of Additively Manufactured Compact Cold Plates for Electronics Cooling Applications

Oligee, Zane (2021-12-03)

This research assesses the viability of metal Additive Manufacturing (AM) to create Compact Cold Plate Heat Exchangers. Unique arrays of offset strip fins were used to increase heat transfer and reduce pressure drop. Cold ...

Terrestrial Investigation of Vapor Bubble Characteristics in Nucleate Pool Boiling of a Dielectric Fluid on an Asymmetric Microstructured Metal Heat Sink (Pre-cursor to Microgravity ISS Experiments)

Sridhar, Karthekeyan (2020-07-08)

This experimental, terrestrial study is part of a larger effort to dissipate increased heat fluxes through enhanced pool boiling in spacecraft electronics prior to an extensive study to be conducted on the International ...

Thermodynamic Model and Initial Experimental Investigation of Air Dehumidification through Electrically Charged Vapor Capturing Electrostatic Droplets

Morcelli, Stefano (2022-04-18) ETD File Embargoed

The removal of water vapor from the air to reduce relative humidity is a well known indoor environmental comfort requirement. Common dehumidification approaches require a substantial amount of energy and usually involve ...