Search Results - "Sarbu, Alexandru"
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Chemical gradients in PIR foams as probed by ATR-FTIR analysis and consequences on fire resistance
Published in Polymer testing (01-01-2021)“…Taking into account numerous results from the literature, an in-depth exploratory study on the chemical gradients in the rise (or depth) direction was…”
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Biobased Polyurethane Foams Based on New Polyol Architectures from Microalgae Oil
Published in ACS sustainable chemistry & engineering (17-08-2020)“…Environmental concerns continuously drive research to find alternatives to fossil-based constituents in a greener way. Industrial polyurethane (PU) foams are…”
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MIXed plastics biodegradation and UPcycling using microbial communities: EU Horizon 2020 project MIX-UP started January 2020
Published in Environmental sciences Europe (2021)“…This article introduces the EU Horizon 2020 research project MIX-UP, "Mixed plastics biodegradation and upcycling using microbial communities". The project…”
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Cost-effective energy management of an islanded microgrid
Published in Energy reports (01-11-2023)“…The interest in the integration of distributed energy resources in microgrids increased significantly in the last decade. The stochastic nature of some energy…”
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How Increasing Amounts of Trimerization Catalyst Impact the Formation, Isocyanurate Content, and Microstructure of Poly(urethane-isocyanurate) Rigid Foams
Published in Industrial & engineering chemistry research (21-11-2024)“…This study investigates the effect of trimerization catalyst (mainly composed of potassium ethyl hexanoate) content (0.5 to 6 pphp) on the kinetics, chemical…”
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2,3-Butanediol as a Biobased Chain Extender for Thermoplastic Polyurethanes: Influence of Stereochemistry on Macromolecular Architectures and Properties
Published in Macromolecules (12-07-2022)“…2,3-Butanediol (2,3-BDO) is a short diol, easily bioproduced by different native bacteria from sugars or lignocellulosic biomasses at low cost. In this study,…”
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Effect of surface curing temperature on depth-specific physical properties of poly(urethane-isocyanurate) foam panels in relation with local chemical composition and morphology
Published in European polymer journal (15-01-2022)“…[Display omitted] •A thermoregulated mold is used to model the heating of the production line.•Isocyanurate content of PIR foams (surface) increases with…”
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Influence of the chemical structure of polyester polyols on the properties and fire resistance of polyisocyanurate foams
Published in European polymer journal (24-04-2024)“…[Display omitted] •Polyester polyols of varying aromaticity were synthesized and characterized.•Polyisocyanurate foams were prepared with the different…”
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Energy Management System for an Islanded Microgrid using Stochastic Dynamic Programming under Uncertainty
Published in 2023 IEEE 29th International Symposium for Design and Technology in Electronic Packaging (SIITME) (18-10-2023)“…Today, intelligent management techniques play an increasingly important role in achieving clean and profitable energy solutions. As energy consumption rises…”
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Conference Proceeding -
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Day-Ahead Cost Optimization of an Islanded Microgrid: A Practical Approach
Published in 2023 International Aegean Conference on Electrical Machines and Power Electronics (ACEMP) & 2023 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) (01-09-2023)“…As we transition towards clean energy, microgrids play a crucial role in increasing the penetration of renewable energies into the grid. Integrating…”
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Conference Proceeding -
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Stochastic Dynamic Programming Based Optimal Energy Management for an Islanded Microgrid
Published in 2023 International Aegean Conference on Electrical Machines and Power Electronics (ACEMP) & 2023 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) (01-09-2023)“…Intelligence and data have never been more significant factors in providing clean and profitable energy than today. As consumption capacity increases,…”
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Conference Proceeding -
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Spontaneous formation of two-dimensional wrinkles in poly(urethane-isocyanurate) rigid foam boards
Published in Journal of cellular plastics (01-05-2020)“…Processing low density poly(urethane-isocyanurate) rigid foam boards still remains challenging, especially for high thickness panels. In particular, subsequent…”
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Novel Rigid Polyisocyanurate Foams from Synthesized Biobased Polyester Polyol with Enhanced Properties
Published in ACS sustainable chemistry & engineering (07-05-2018)“…Novel rigid polyisocyanurate foams (PIR) produced from different polyesters polyols, such as a conventional fossil-based polyester polyol (as a reference) and…”
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Model Development for an Islanded Microgrid
Published in 2023 46th International Spring Seminar on Electronics Technology (ISSE) (10-05-2023)“…Microgrids play a key role in the integration of renewable energies into the classical grid and, thus, reducing our reliance on fossil fuels. Interconnecting…”
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Conference Proceeding -
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Novel Rigid Polyisocyanurate Foams from Synthesized Biobased Polyester Polyol with Enhanced Properties
Published in ACS sustainable chemistry & engineering (07-05-2018)“…Novel rigid polyisocyanurate foams (PIR) produced from different polyesters polyols, such as a conventional fossil-based polyester polyol (as a reference) and…”
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Practical solutions for microgrid energy management: Integrating solar forecasting and correction algorithms
Published in Energy reports (01-12-2024)“…Nowadays, the shift towards renewable energies is happening at an exponential pace. Microgrids are an integral part in integrating renewable energies into the…”
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Intra-Day Optimal Dispatching of an Islanded Microgrid under Solar Power Uncertainty
Published in 2024 47th International Spring Seminar on Electronics Technology (ISSE) (15-05-2024)“…This paper proposes a two-stage optimization strategy for an islanded microgrid, using day-ahead dispatching and an intra-day optimization stage, implemented…”
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Conference Proceeding -
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Optimal resource scheduling for a greenhouse powered by an islanded microgrid
Published in 2024 47th International Spring Seminar on Electronics Technology (ISSE) (15-05-2024)“…The paper investigates solutions for optimal management of energy in a greenhouse powered by an islanded microgrid. A day-ahead optimization procedure for…”
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Conference Proceeding -
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Ultrasonic generator with frequency modulation used in sonochemistry
Published in The Journal of the Acoustical Society of America (01-02-1999)“…The electronic generator includes an oscillator and a power stage working in tandem. It is supplied with an unfiltered rectified tension voltage. The signal…”
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