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 34 for “"RESS"”.
-
Production of nanocrystalline rdx by ress : development and material characterization
The aim of the present work was to address the hazardous vulnerability of energetic materials to accidental initiation. An improved form of the explosive RDX with a significantly reduced sensitivity to stimuli including shock and impact was sought. The direction of this research was to investigate …
-
Production and characterization of composite nano/micro sized particles by rapid expansion of supercritical solutions (ress) co-precipitation
… rapid expansion of supercritical solutions (RESS). The binders used in this study are poly (vinylidene fluoride-co-hexafluoropropylene) (VDF-HFP22), polystyrene (PS) and 7-amino-4-methyl coumarin (AMC). The RDX/VDF-HFP22 and RDX/PS co-precipitated nanoparticles were characterized by Field …
-
Formation of RDX nanoparticles by rapid expansion of supercritical solution : in situ characterization by laser scattering
… Rapid Expansion of Supercritical Solutions (RESS) confirmed these expectations (Stepanov, 2005). RESS process appeared to be one out of a few techniques of production of nanoscale energetic materials free of the risk of explosion. Current research was aimed at the understanding of the …
-
Ultra-fine particle formation using principle of rapid expansion of supercritical solutions`
… of Rapid Expansion of Supercritical Solutions (RESS) have been documented. In the RESS process, the solution is rapidly expanded through a well-defined nozzle which leads to formation of ultra-fine particles. An extensive parametric study was conducted in order to obtain an optimized set of …
-
Planning and Operation of Multi-Vector Energy System with High Penetration of Renewable Energy Sources
… penetration of renewable energy sources (RESs) into current electricity network introduces challenges to the planning and operation of electricity network due to the intermittent nature of the resources which will result in variability and uncertainty in electricity supply. The …
-
Analysis of microgrid with renewable generation and energy storage system
… of converter-fed renewable energy sources (RESs) and supported by energy storage systems (ESSs), along with their associated challenges, is causing a pressing need to reconsider the operation of distribution networks. Microgrids (MGs) appear as a practical solution to accommodate these RESs …
-
Analysis and optimal planning of nuclear-renewable hybrid energy systems for ships
… and integration of Renewable Energy Sources (RESs) is one of them. Due to some limitations, RESs are not suitable for large ships and often mix with fossil fuel-based generators. Fossil fuel-based generators need to be replaced by emissions-free energy sources to make marine ships free from …
-
Significance of battery energy storage systems in mitigating the challenges in weak grids
… government bodies have faced enormous public pressure to address climate crises. Consequently, decarbonizing the energy sector is one of the top priorities for almost all countries in the world. However, with increases in RESs connected to networks, the electric power industry has experienced a …
-
Supercritical fluid spray processes for microencapsulation and formation of submicron aqueous dispersions of pharmaceutical compounds
Precipitation with a Compressed Fluid Antisolvent (PCA) and Rapid Expansion from Supercritical Solution (RESS) are two processes based on supercritical fluids that are capable of producing submicron particles. Novel variations of these basic processes have been examined to produce stable particles …
-
Development of supercritical processes for particle coating / encapsulation with polymers
… rapid expansion of a supercritical solution (RESS) for particle coating and a supereritical antisolvent (SAS) process was described. In the modified RESS process for particle coating, experiments were performed using a pilot-scale supercritical apparatus, glass beads as host particles and two …
-
GIS-Based Site Suitability Analysis for Wind and Solar Photovoltaics Energy Plants in Central North Region, Namibia
… energy. The renewable energy sources (RESs), including wind and solar energy, can be described as clean sources which have lesser negative environmental impact compared to conventional energy sources. Amongst the pressing challenges today is finding solutions on efficient solar and wind …
-
Synthesis of fluorinated polymers in supercritical carbon dioxide (scCO₂)
… 83 wt.% were used. The high-temperature, high-pressure conditions were required for homogeneous phase polymerization. These conditions did not alter the amount of defects in VDF chaining. Scanning electron microscopy (SEM) indicated that regular stack-type particles were obtained upon expansion …
-
Modeling and integration of smart control strategies to improve large-scale pv system management and operation in a low inertia power grid
In the context of international endeavors to address climate change, there is a discernible transition occurring from the utilization of fossil fuels to the adoption of cleaner and sustainable sources of energy. The aforementioned transformation has resulted in a growing appeal and improved …
-
Measurements for Wide Area Monitoring, Protection, and Control systems: algorithms, instruments and architectures
… integration of Renewable Energy Sources (RESs), Electric Vehicles (EVs), and distributed generation, all of which present new challenges in terms of stability, reliability, and control of the power systems. In this context, Wide Area Monitoring, Protection, and Control (WAMPAC) systems …
-
Energy management of nuclear-renewable hybrid energy system for fast charging station
… The application of renewable energy sources (RESs) is limited due to their intermittency problem. To address those issues, a nuclear-renewable hybrid energy system (N-R HES) is proposed in this thesis to support the load demand of a fast charging station. Key performance indicators (KPIs) and …
-
Applying ecofeminist theory to Christian mission work in Honduras: Building theoretical bridges for real change
… of Rosemary Radford Ruether and Mary Judith Ress in order to more effectively confront the social, political, and economic hurdles preventing more Hondurans from living more empowered lives. This thesis first articulates why the colonialist patriarchy within Christianity must be abandoned in …
-
Advanced control techniques for modern inertia based inverters
… in the penetration of renewable energy sources (RESs) into the power grid has led to the increase in the penetration of fast-responding inertia-less power converters. The increase in the penetration of these power electronics converters changes the nature of the conventional grid, in which the …
-
Micro electrochemical sensors and PCR systems: cellular and molecular tools for wine yeast analysis
… on ethanol tolerance, as it is one of the main stress factors acting in wine, and thus, one of the major causes of stuck fermentations. A good agreement between extracellular acidification and cell growth trends at different ethanol concentration has been demonstrated, significantly reducing the …
-
Marriage in the eighties : with particular regard to the prevalence and effect of brief or sustained infidelity and the challenge it poses for the clinical social worker
… marriage falls prey to dissatisfaction aAd stress far more than marriages of years gone by, where roles were traditionally more clearly defined and expectations were unchallenged. This paper serves to focus on the institution of marriage in western society and the changing face of marriage in …
-
Management and modelling of battery storage systems in microGrids and virtual power plants
… of intermittent Renewable Energy Sources (RESs). This PhD dissertation proposes a number of approaches in order to deal with some typical issues of future active power systems, including optimal ESS sizing and modelling problems, power ows management strategies and minimisation of …
Page 1 of 2