Browsing College of Engineering by Title
Now showing items 7386-7405 of 7980
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Theoretical and experimental study on the selection of pure and mixed refrigerants for a power-cooling system driven by ultra-low-grade heat
( Elsevier , 2023 , Article)This study theoretically and experimentally evaluates the performance of a system that combines an organic Rankine cycle (ORC) and a vapor compression cycle (VCC) driven by ultra-low-grade heat (ULGH). A systematic method ... -
Theoretical investigation on the effect of individual stage-gain selection on the 3-dB bandwidth of three-op-Amp difference amplifiers
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)The differential gain of a three-op-Amp difference amplifier is determined by the product of the gain values of its two stages. Usually, the total desired differential gain is assigned to the first stage while the gain of ... -
Theoretical Studies of a Silica Functionalized Acrylamide for Calcium Scale Inhibition
( MDPI , 2022 , Article)The calcium carbonate (CaCO3 ) scale is one of the most common oilfield scales and oil and gas production bane. CaCO3 scale can lead to a sudden halt in production or, worst-case scenario, accidents; therefore, CaCO3 scale ... -
Theoretical studies of methane adsorption on Silica-Kaolinite interface for shale reservoir application
( Elsevier B.V. , 2021 , Article)Shale gas is mostly made up of methane and is currently being exploited in fulfilling the world's energy demands. Density Functional Theory (DFT) and Molecular Dynamics (MD) techniques are employed for understanding methane ... -
Theoretical study on amino acid-based ionic pairs and their interaction with carbon nanostructures
( American Chemical Society , 2014 , Article)Quantum chemistry methods were used to analyze the properties of ionic pairs formed by combination of the 1-ethyl-3-methylimidazolium cation with anions derived from alanine, glycine, serine, and phenylalanine amino acids, ... -
Theoretical study on the solvation of C60 fullerene by ionic liquids
( American Chemical Society , 2014 , Article)The solvation of C60 fullerene by 24 different ionic liquids belonging to the imidazolium, piperazinium, and cholinium families was analyzed from a nanoscopic viewpoint using classic molecular dynamics simulations and ... -
Theory and design of high-resolution quadratic TFDs
( Elsevier Inc. , 2016 , Book chapter)The quadratic time-frequency distributions (TFDs) introduced in the previous chapter represent the majority of traditional time-frequency ((t,f)) methods used in practical applications that deal with nonstationary signals. ... -
Theory and simulation of a miniature zirconia sensor for control of the air-to-fuel ratio in combustion systems
( IEEE , 2001 , Article)The theory of operation on both sides of stoichiometry of a miniature zirconia oxygen pump-gauge incorporating a diffusion hole is discussed. Computer simulation of the sensor output when used for monitoring the air-to-fuel ... -
Thermal analysis of Si-IGBT based power electronic modules in 50kW traction inverter application
( Elsevier , 2023 , Article)Estimation of accurate IGBT junction temperature is crucial for reliability assessment. The well-known RC lumped approach can help predict junction temperature. However, this method suffers from inaccuracy while characterizing ... -
Thermal and mechanical stability of microwave sintered cold compact bismuth telluride thermoelectric material
( Elsevier , 2022 , Article)Both p-type and n-type bismuth telluride (Bi2Te3)-based thermoelectric materials demonstrate high thermoelectric efficiency in the low-temperature thermoelectric modules, but their constrained thermal and mechanical stability ... -
Thermal Change Index-Based Diabetic Foot Thermogram Image Classification Using Machine Learning Techniques
( MDPI , 2022 , Article)Diabetes mellitus (DM) can lead to plantar ulcers, amputation and death. Plantar foot thermogram images acquired using an infrared camera have been shown to detect changes in temperature distribution associated with a ... -
Thermal comfort in Indian apartments
( Springer Singapore , 2018 , Book chapter)© Springer Nature Singapore Pte Ltd. 2018. Socio-political and economic drivers can be historically traced behind the apartment' evolutionary trajectory. Absence and poor adherence to norms appear to have caused thermal ... -
Thermal comfort investigation of an outdoor air-conditioned area in a hot and arid environment
( Taylor and Francis Inc. , 2017 , Article)Thermal comfort in hot and arid outdoor environments is an industrial challenging field. An outdoor air-conditioned area was designed and built to host sport and social events during summers 2014 and 2015 in Qatar. This ... -
Thermal conductivity and latent heat thermal energy storage properties of LDPE/wax as a shape-stabilized composite phase change material
(2014 , Article)Phase change material (PCM) composites based on low-density polyethylene (LDPE) with paraffin waxes were investigated in this study. The composites were prepared using a meltmixing method with a Brabender-Plastograph. The ... -
Thermal dimensional stability of isotropic polyoxymethylene
( John Wiley & Sons, Ltd. , 1991 , Article)A parametric mapping analysis of the effect of various structural and morphological parameters on the thermal dimensional stability of polyoxymethylene is highlighted. The molecular composites model is found to describe ... -
Thermal insitu analyses of multicomponent pyrophosphate cathodes materials
( Electrochemical Science Group , 2015 , Article)Development of secondary batteries based on abundant and inexpensive elements are vital. Amongvarious alternative choices, sodium-ion batteries (NIBs) are promising because of plentiful resourcesand low costs of sodium ... -
Thermal integrity testing of cast in situ piles: An alternative interpretation approach
( SAGE Publications Ltd , 2021 , Article)Integrity testing of deep cast in situ concrete foundations is challenging due to the intrinsic nature of how these foundations are formed. Several integrity test methods have been developed and are well established, but ... -
Thermal performance of stadium's Field of Play in hot climates
( Elsevier Ltd , 2017 , Article)The stadium Field of Play (FoP) is a large area of grass that affects the stadiums overall thermal performance. This paper experimentally and numerically investigates the thermal performance of stadiums FoP in hot and arid ... -
Thermal properties of phase-change materials based on high-density polyethylene filled with micro-encapsulated paraffin wax for thermal energy storage
( Elsevier Ltd , 2015 , Article)Microcapsules consisting of paraffin wax cores with a melting point of approximately 42 °C and a melamine-formaldehyde resin shell were synthesized using in situ polymerization. These microcapsules have a uniform distribution ... -
Thermal properties of smart microencapsulated paraffin/plaster composites for the thermal regulation of buildings
( Elsevier Ltd , 2015 , Article)Smart plaster composites were manufactured by mixing plaster with different amounts of Micronal? DS5001X microcapsules containing a paraffin mixture with a melting point of 26 �C to develop new construction materials with ...