All Outputs (259)

Stability analysis and control of nonlinear thermoacoustic systems with multiple deterministic and stochastic sources by a Green’s function approach (2025)
Thesis
Arabi, S. Stability analysis and control of nonlinear thermoacoustic systems with multiple deterministic and stochastic sources by a Green’s function approach. (Thesis). Keele University. https://keele-repository.worktribe.com/output/1109590

Thermoacoustic instabilities result from the interaction between heat and sound in a confined space, and they pose challenges due to self-sustained high amplitude oscillations. This study advances an analytical approach based on a tailored Green’s fu... Read More about Stability analysis and control of nonlinear thermoacoustic systems with multiple deterministic and stochastic sources by a Green’s function approach.

Low-temperature growth of metal chalcogenide semiconductors (2025)
Thesis
Adams, L. J. Low-temperature growth of metal chalcogenide semiconductors. (Thesis). Keele University. https://keele-repository.worktribe.com/output/1109400

Metal chalcogenides exhibit a variety of intriguing properties and promising applications. However, a significant challenge in utilising these materials for electronic devices lies in producing high quality thin films. Chemical vapour deposition (CVD... Read More about Low-temperature growth of metal chalcogenide semiconductors.

The fate of massive single stars: exploring the impact of rotation and metallicity (2024)
Thesis
Chambers, C. S. The fate of massive single stars: exploring the impact of rotation and metallicity. (Thesis). Keele University. https://keele-repository.worktribe.com/output/1018847

The fate of massive stars depends largely on the mass and structure of their inner cores, and the composition of their envelopes at death. This is dependent on the mass loss history of the star, which has significant effects on the evolution of massi... Read More about The fate of massive single stars: exploring the impact of rotation and metallicity.

First-principles investigation of the interaction between pentacene molecules and monolayer transition metal dichalcogenides (2024)
Thesis
Black, E. J. First-principles investigation of the interaction between pentacene molecules and monolayer transition metal dichalcogenides. (Thesis). Keele University. https://keele-repository.worktribe.com/output/1018715

The search for new materials for photonic applications continues to expand, and one promising route is that of van der Waals heterostructures. Assembled layer by layer from atomically thin materials, there are combinations of materials with promising... Read More about First-principles investigation of the interaction between pentacene molecules and monolayer transition metal dichalcogenides.

Fundamental parameters of very low mass stars in eclipsing binary systems (2024)
Thesis
Fitzpatrick, E. Fundamental parameters of very low mass stars in eclipsing binary systems. (Thesis). Keele University. https://keele-repository.worktribe.com/output/956373

Photometry of binary star and extrasolar planet transits offer an opportunity to characterise their components and test stellar models. When investigating exoplanets, it is important properly understand the host star otherwise large systematic errors... Read More about Fundamental parameters of very low mass stars in eclipsing binary systems.

Structural and ion exchange study of nanostructured materials (2024)
Thesis
Contini, A. Structural and ion exchange study of nanostructured materials. (Thesis). Keele University. https://keele-repository.worktribe.com/output/857282

In this thesis, the structural and acidic properties of two zeolites LTL and MAZ are compared and reported. Commercial LTL and MAZ were ion exchanged with metal alkali cations, to obtain the corresponding ion exchanged forms, and characterised by IR... Read More about Structural and ion exchange study of nanostructured materials.

Chemical synthesis approaches to amphiphilic mimetic glycosides (2024)
Thesis
Porter, J. A. Chemical synthesis approaches to amphiphilic mimetic glycosides. (Thesis). Keele University. https://keele-repository.worktribe.com/output/849924

The majority of surfactants in use are derived from petroleum feedstocks. Synthetic surfactants face numerous issues including low biodegradability, ecotoxicity and bioaccumulation. Biosurfactants such as amphiphilic glycoconjugates are a promising c... Read More about Chemical synthesis approaches to amphiphilic mimetic glycosides.

Evaluation of chemometric software for analysis of complex mixtures for biologically derived samples analysed using liquid-chromatography mass spectrometry (2024)
Thesis
Scott, M. R. Evaluation of chemometric software for analysis of complex mixtures for biologically derived samples analysed using liquid-chromatography mass spectrometry. (Thesis). Keele University. https://keele-repository.worktribe.com/output/850250

There is a risk of losing important information when choosing the best metabolomic workflow for untargeted chemometric analysis. Choosing the best software for conducting this analysis is crucial as wrong parameters with the wrong software could lead... Read More about Evaluation of chemometric software for analysis of complex mixtures for biologically derived samples analysed using liquid-chromatography mass spectrometry.

Bioprocess development for aliphatic alcohol oxidation and alkyl glycoside purification using biocatalysis (2024)
Thesis
Wahart, A. J. C. Bioprocess development for aliphatic alcohol oxidation and alkyl glycoside purification using biocatalysis. (Thesis). Keele University. https://keele-repository.worktribe.com/output/853204

The detergents and skin care products are composed of surfactants that decrease interfacial tension between two phases (i.e. oil and water).1 Before the ecological dangers issued from nonrenewable sources surfactants (pollution of aqueous environment... Read More about Bioprocess development for aliphatic alcohol oxidation and alkyl glycoside purification using biocatalysis.

Exoplanet radius measurements for short-period exoplanets observed by the CHEOPS mission (2024)
Thesis
Harris, B. M. Exoplanet radius measurements for short-period exoplanets observed by the CHEOPS mission. (Thesis). Keele University. https://keele-repository.worktribe.com/output/775271

Context. Scheduling observing time for the CHEOPS mission leaves short gaps in which the telescope goes unused. If data collected during these gaps provided quality results, they could be utilised to make observing time more efficient.
Aims. The ai... Read More about Exoplanet radius measurements for short-period exoplanets observed by the CHEOPS mission.

Comprehensive utilisation of hydrogen gas for the efficient use of proton exchange membrane fuel cell powered vehicles (2024)
Thesis
Latham-Wheawall, L. Comprehensive utilisation of hydrogen gas for the efficient use of proton exchange membrane fuel cell powered vehicles. (Thesis). Keele University. https://keele-repository.worktribe.com/output/775441

The need for clean energy is not being met and is increasing each day. One immensely underused technology – proton exchange membrane fuel cells, can drastically help to deliver green energy and prevent the worsening of climate change. However, in ord... Read More about Comprehensive utilisation of hydrogen gas for the efficient use of proton exchange membrane fuel cell powered vehicles.

Physical properties of eclipsing binaries containing intermediate-mass pulsators or low-mass stars (2024)
Thesis
Jennings, Z. P. S. Physical properties of eclipsing binaries containing intermediate-mass pulsators or low-mass stars. (Thesis). Keele University. https://keele-repository.worktribe.com/output/775631

Precise stellar parameter measurements are crucial for improving our theoretical understanding of stellar structure. They help quantify model errors and uncertainties and provide vital constraints for interpreting observed phenomena, such as radius i... Read More about Physical properties of eclipsing binaries containing intermediate-mass pulsators or low-mass stars.

Hydrodynamic simulations of convection and nucleosynthesis in the late phases of massive stars to constrain and guide stellar evolution theory (2023)
Thesis
Rizzuti, F. Hydrodynamic simulations of convection and nucleosynthesis in the late phases of massive stars to constrain and guide stellar evolution theory. (Thesis). Keele University. https://keele-repository.worktribe.com/output/674565

The present knowledge of stellar evolution is still limited today by large uncertainties that derive from the complex multi-dimensional processes occurring in stars. Among them, the turbulent motions of the stellar fluid control the size and evolutio... Read More about Hydrodynamic simulations of convection and nucleosynthesis in the late phases of massive stars to constrain and guide stellar evolution theory.

Using the solid injection technique with gas chromatography and mass spectrometry to identify cuticular hydrocarbons in several thrips insect species (2023)
Thesis
Covaci, A.-D. Using the solid injection technique with gas chromatography and mass spectrometry to identify cuticular hydrocarbons in several thrips insect species. (Thesis). Keele University. https://keele-repository.worktribe.com/output/597582

Thrips are a group of insects included in the order Thysanoptera. So far, over 6000 species have been described, among which over 100 are known as crop pests There is a plethora of studies on various species of thrips, yet the CHC composition is know... Read More about Using the solid injection technique with gas chromatography and mass spectrometry to identify cuticular hydrocarbons in several thrips insect species.

The dynamics of star formation in the local Milky Way as traced by OB associations (2023)
Thesis
Quintana Isasi, A. L. P.-H. The dynamics of star formation in the local Milky Way as traced by OB associations. (Thesis). Keele University. https://keele-repository.worktribe.com/output/598066

OB associations are gravitationally unbound, low-density groups of young stars delineated by bright OB stars. At the intersection of star formation and Galactic structure, they are important across many areas of astronomy. However, most historical OB... Read More about The dynamics of star formation in the local Milky Way as traced by OB associations.

Radio and infrared surveys for active galactic nuclei behind the Magellanic Clouds (2023)
Thesis
Pennock, C. M. Radio and infrared surveys for active galactic nuclei behind the Magellanic Clouds. (Thesis). Keele University. https://keele-repository.worktribe.com/output/515724

I present an analysis of a new 120 deg2 radio continuum image of the Large Magellanic Cloud (LMC) at 888 MHz with a bandwidth of 288 MHz and beam size of 13.′′9×12.′′1, from the Australian Square Kilometre Array Pathfinder (ASKAP). I constructed a ca... Read More about Radio and infrared surveys for active galactic nuclei behind the Magellanic Clouds.

Deciphering the atmospheric properties of hot gas giant exoplanets via ground-based transmission spectroscopy (2023)
Thesis
Spyratos, P. Deciphering the atmospheric properties of hot gas giant exoplanets via ground-based transmission spectroscopy. (Thesis). Keele University. https://keele-repository.worktribe.com/output/518836

Transiting hot gas giant exoplanets are great targets for atmospheric investigations due to their extended atmospheres and their strong obscuring effect on the observed starlight when they pass in front of their host star. Transmission spectroscopy c... Read More about Deciphering the atmospheric properties of hot gas giant exoplanets via ground-based transmission spectroscopy.

Fundamental parameters of very low mass stars in eclipsing binary star systems observed with the CHEOPS satellite (2023)
Thesis
Swayne, M. I. Fundamental parameters of very low mass stars in eclipsing binary star systems observed with the CHEOPS satellite. (Thesis). Keele University. https://keele-repository.worktribe.com/output/518842

Observations of low-mass stars have frequently shown unexpectedly large stellar radii when compared to the predictions from theoretical stellar structure models. This “radius inflation” problem may have consequences not just for stellar science but a... Read More about Fundamental parameters of very low mass stars in eclipsing binary star systems observed with the CHEOPS satellite.

Chemical synthesis of fluorinated carbocyclic nucleoside analogues (2023)
Thesis
Benckendorff, C. M. M. Chemical synthesis of fluorinated carbocyclic nucleoside analogues. (Thesis). Keele University. https://keele-repository.worktribe.com/output/529473

Since the discovery of their pharmaceutical potential, nucleoside analogues have become one of the most important classes of chemotherapeutic agents in the treatment of many cancers and viral infections. In many chronic illnesses, such as HBV or HIV... Read More about Chemical synthesis of fluorinated carbocyclic nucleoside analogues.

The evaluation of a metabonomic approach to detect decomposition products in water and leachates using Liquid Chromatography-Mass Spectrometry (2023)
Thesis
Williams, M. F. The evaluation of a metabonomic approach to detect decomposition products in water and leachates using Liquid Chromatography-Mass Spectrometry. (Thesis). Keele University. https://keele-repository.worktribe.com/output/515544

Statistics show that there was a 12% increase in missing persons’ incidents in the UK between 2014 and 2019. Approximately 50% of these missing individuals are found within 24 hours, and on average a large number will be deceased. Land-based searches... Read More about The evaluation of a metabonomic approach to detect decomposition products in water and leachates using Liquid Chromatography-Mass Spectrometry.