Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 580 for “"Thermal properties."”.
-
Thermal properties of graphene
… in honeycomb structure. Graphene has excellent thermal conductivity and can be considered as a potential material for applications in the electronics industry where heating of materials is a serious concern. In this study, thermal properties of p and n doped graphene nanosheets and nanoribbons …
-
Thermal properties of advanced aerogel insulation
… insulation and goes into detail on how the thermal properties of the aerogel were measured and validated. The transient hot-wire method for measuring the thermal conductivity of very low thermal conductivity silica aerogel (1 0mW/m K at 1 atm) along with a correction for end effects was …
-
Measurement of Thermal Properties of Seafood
Thermal properties of ten different seafood were measured in this research. They included bluefish (<i>Pomatomus saltatrix</i>), croaker (<i>Micropogonias undulatus</i>), spanish mackerel (<i>Scomberomorus maculatus</i>), pink salmon (<i>Oncorhynhus gorbuscha</i>), black seabass (<i>Atractoscion …
-
Thermal Properties of Candidate Coolant Salts
… will be evaluated within the question of if the properties are desirable enough that the dangers posed by beryllium are an acceptable risk. BeF2-NaF will have melting point, heat capacity, density, and vapor pressure measurements performed. Additionally, extensive impurity analysis and removal …
-
Modification of Ternary Nitrate Mixture's Thermal Properties
… ternary nitrate mixture will result in favorable properties for use in a concentrated solar power system as a heat transfer fluid (HTF) or thermal energy storage (TES) material. The properties that were investigated were latent heat, average specific heat capacity and rate of heat flow. The study …
-
Acoustic and Thermal Properties of Recycled Porous Media
… polyurethane binder for acoustic absorption and thermal insulation applications. The resultant materials contains a high proportion of open, interconnected cells that are able to absorb incident sound waves through viscous friction, inertia effects and thermal energy exchanges. The materials …
-
Magnetic and thermal properties of metallic antiferromagnetic materials
… precession, the frequency of spin waves, the thermal stability of magnetic domains, and the efficiency. Thus magnetocrystalline anisotropy is a fundamental property of antiferromagnetic materials. Torque magnetometry measurements of Fe2As were performed. We reported that the four-fold …
-
Processing and thermal properties of molecularly oriented polymers
… can be oriented such that some of their physical properties in the oriented direction are enhanced. For over 50 years polymer orientation and processing has been extensively studied to improve the mechanical properties of polymers. In more recent history the anisotropic thermal properties of …
-
Electronic, Optical, and Thermal Properties of Reduced-Dimensional Semiconductors
… because of their new physics and exotic properties, which are of great interests for fundamental science. More importantly, the manipulation and engineering of matter on an atomic scale yield promising applications for many fields including nanoelectronics, nanobiotechnology, …
-
SPATIAL VARIABILITY OF THERMAL PROPERTIES IN RECLAMATION COVER SYSTEMS
… in area. Knowledge of temperatures and thermal properties in the cover system provide important information regarding the energy balance, thermal regime, as well as preliminary insight into soil water content. Cover system temperatures and thermal properties are measured at a small …
-
Soil thermal properties and heat loss from buried pipes
… by various theoretical equations provided the thermal conductivity of the soil (k) and a temperature difference (Äè) between the pipes and the surrounding soil are known. Therefore, the use and application of these theoretical equations presents three problems, namely: 1) The need to …
-
Thermal properties of graphene and graphene-based thermal diodes
… a promising material revealing an unusually high thermal conductivity �. However, both experimental and theoretical previous works lack of a strict thermal conductivity value, estimating results in the range 89-5000 W m-1 K-1. In this scenario, I address graphene thermal transport properties by …
-
Structural and thermal properties of graphene - boron nitride superlattice
… of the interface, and its effect on fundamental properties (such as the thermal conductivity) is unknown and largely complicated by the ∼ 2% lattice mismatch between the two materials. This work provides an in-depth view of the possible interfacial structures in C-BN superlattices, and quantifies …
-
Radiation Effects on Thermal Properties of Advanced Nuclear Materials
… of irradiation on critical thermophysical properties is fundamental for the advancement of next-generation nuclear systems operating in high-flux neutron and gamma environments. Zirconium hydride (ZrH) and yttrium hydride (YH) have emerged as promising neutron moderating materials due to …
-
Thermal properties of nanowires and nanotubes : modeling and experiments
… thermoelectric energy converters. Although the thermal properties of nanowires can differ greatly from their bulk counterparts, the theoretical and experimental understanding of these differences is still limited. Thermal performance is especially important for nanowire thermoelectrics, which …
-
Cost Effective Synthesis of Ionic Liquids and Their Thermal Properties
… organic solvents. Ionic liquids have outstanding properties, such as negligible vapor pressure (no or limited evaporation or volatilization), low melting point, thermal stability, and ionic conductivity. They can be used in efficient and clean energy production and storage. The synthesis of the …
-
A Study of the Thermal Properties of PETI-5/IM7
… cured sample were analyzed and compared using thermal analytical techniques. The sample staged at 450°F with full vacuum showed the highest thermal properties among four staging samples. The results indicated that vacuum is helpful in improving the thermal stability of PETI-5. The mechanism of …
-
A Periodic Technique for Measuring Thermal Properties of Thin Samples
We present a periodic technique for measuring the thermal conductivity and diffusivity of thin samples simultaneously. In samples of this type, temperature measurements must be made across the sample faces and are therefore subject to large error due to the interface resistance between the …
-
Synthesis, characterization, and thermal properties of ceramic-fullerene thin films
… the role that dispersed fullerenes play in the thermal behavior of co-deposited films has been characterized. The presence of C60 within the films has been confirmed using a new application of electron impact mass spectrometry, and the structure and stability of dispersed C60 in Zr and ZrO2 have …
Page 1 of 29