All articles
27 articles
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Thermal Dynamics and Kinetic Modelling of Cryogenic Fuels in Aerospace and IndustrialApplications
Abstract: Cryogenic fuels are critical for high-speed aerospace and industrial applications, where efficient handling, storage, and usage are paramount for performance and safety. This study explores the thermal dynamics and kinetic modeling of cryogenic fuels, focusing on liquid handling systems and propellant technologies. Utilizing computational fluid dynamics (CFD) analysis, the research evaluates the behavior of cryogenic liquids within insulated vessels under extreme temperature conditions, identifying key parameters that influence thermal stability …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 2, 2024 Read article
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Kinetic Modifications in Polymers under Cryogenic Stress: A Thermochemical Study
Abstract: This study explores the kinetic modifications in polymers subjected to cryogenic stress, focusing on the thermochemical behavior and structural changes that occur at low temperatures. Polymers, when exposed to cryogenic conditions, exhibit distinct molecular rearrangements, influencing their mechanical properties and thermal stability. The investigation involves characterizing these polymers using advanced spectroscopic and thermal analysis techniques to identify alterations in crystallinity, molecular weight distribution, and glass transition temperature. By examining the …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 2, 2024 Read article
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Modeling the Biokinetic of Crude Oil Degradation inLoamy Soil Using the Citrus Sinensis of Flavedo Part
Abstract: The biokinetic parameters of crude oil degradation using Citrus sinensis of flavedo part was investigated in loamy soil environment. Mathematical models were developed for the purpose of determining the biokinetic parameters of the k1 (Total Petroleum Hydrocarbon), maximum specific rate of TPH remediation and dissociation constant of the TPH remediation on the effect of remediant dosage on the polluted loamy soil environment. The effect of the remediants were monitored for …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 1, 2024 Read article
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Investigation on the Characteristics of Chromolaena Odorata (Awolowo leaf) in Petroleum Hydrocarbon Degradation in Loamy Soil Environment
Abstract: The application of Chromolaena odorata (Awolowo leaf), processed into powder form, was used as a biostimulant for petroleum hydrocarbon degradation and mitigation in a loamy soil environment. In this investigation, the physicochemical and microbial characteristics of the sample were determined, as presented in this research, including pH, electrical conductivity (EC), total nitrogen (T.N), total phosphorus (T.P), potassium (K), total organic carbon, and P. fluorescence. Corynebacterium sp., Arthrobacter, Bacillus, Acinetobacter iwoffi, …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 1, 2024 · pp. 13–23 Read article
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Impact of Cryogenic Temperatures on the Mechanical and Thermal Properties of Polymers and Composites
Abstract: The development of lightweight, high-performance materials for use in cryogenic environments is crucial for advanced applications in aerospace, energy storage, and industrial sectors. This study explores the thermodynamic and mechanical behavior of fiber-reinforced polymers and composite materials under extremely low-temperature conditions. The cryogenic performance of these materials, including their thermal stress resistance and impact properties, was assessed with a focus on polymer fragility and the durability of composites at temperatures …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 1, 2024 · pp. 7–12 Read article
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Kinetic Modeling of Biomass Pyrolysis for Renewable Energy Production.
Abstract: Biomass pyrolysis is a promising technology for renewable energy production, offering a sustainable alternative to fossil fuels. This process involves the thermal decomposition of organic materials in the absence of oxygen, resulting in the generation of bio-oil, syngas, and biochar. Kinetic modeling of biomass pyrolysis is essential for optimizing the process and enhancing the yield and quality of the products. This abstract presents a comprehensive review of kinetic models used …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 1, 2024 · pp. 1–6 Read article
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Thermodynamic of Biomass Pyrolysis of RenewableEnergy Production
Abstract: Biomass pyrolysis is a pivotal thermochemical process for converting organic materials into valuable biofuels and chemicals, playing a critical role in the renewable energy landscape. This study explores the thermodynamic principles underlying biomass pyrolysis, emphasizing its potential for sustainable energy production. In this process, biomass is thermally broken down in the absence of oxygen, producing syngas, biochar, and bio-oil. Thermodynamic analysis provides insights into the energy requirements, reaction pathways, and …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 1, 2024 Read article