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27 articles for “cryogenic”
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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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Enhancing the Performance of Vertical Cryogenic Insulated Cylinders: A Study on Neck Tube Thermal Stress using ANSYS Software
Abstract: An essential supporting component of cryogenic insulated cylinders is the neck tube. The root of the neck tube, which serves as a crucial support structure between the inner and outer vessels in cryogenic insulated cylinders, turns out to be the weakest link due to a hole in the inner upper end for joining. This paper's major goal is to offer research on thermal stress analysis and the optimal construction of …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 9, Issue 1, 2023 · pp. 37–49 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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Experimental Investigations for Comparing the Effectiveness of Heat Treatment and Cryogenic Treatment on Wear Performance of EN-47 Spring Steel
Abstract: EN-47 spring steel is chromium, vanadium steel which consists of carbon (0.45–0.55%), manganese (0.50–0.80), silicon (0.50%), phosphorus (0.06%), and sulphur (0.06%) along with chromium (0.80–1.20%) and vanadium (0.15%). Due to this composition EN-47 spring steel become harder and tougher. It has a wide range of applications like crankshafts, steering knuckles, gears, spindles, pumps, suspension etc. So, in this experimental study we treated EN-47 spring steel with cryogenic treatment, cryogenic and …
Published in International Journal of Manufacturing and Materials Processing · Vol. 9, Issue 2, 2023 · pp. 1–9 Read article
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CFD-subset-FVM-based MATLAB-simulation of Heat Transfer in High Grade Cold Storage Augmenting Cryogenic Energy Storage System by Circulating Natural Gas as Working Fluid : Conceptual Review
Abstract: Abstract. Cryogenic Energy Storage (CES) improves power grid with renewable intermittent power sources. In CES, off-peak excess electricity liquefies air or natural gas. Cryogen is stored in large dewar tanks for long periods of time. Whenever electricity need is in peak, work is recovered from cryogen by a power cycle using waste heat. Many researchers focus on liquid air energy storage (LAES). But, natural gas is promising working fluid for …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 5, Issue 2, 2019 · pp. 1–5 Read article
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Characterization of the Impact Strength in Cryogenic Treatment of TIG Welded Nickel-based Superalloy
Abstract: The TIG welding of the IN617 heat and oxidation resistant has been precisely controlled through welding parameters, while γ'-Ni3(Al, Ti) phases predominantly controlled solution strengthening, and precipitation strengthening and carbides in γ matrix, as well as γ' precipitate’s shearing mechanism is prominent to enhance strength of superalloys. The high hardness has been preserved owing to strengthening major elements such as Cr, Co, and Mo etc., and the well coherency maintain …
Published in International Journal of Composite Materials and Matrices · Vol. 9, Issue 2, 2023 · pp. 1–12 Read article
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Analysis of Vapour-Liquid Equilibrium Behaviour of Cryogenic Hydrogen-Deuterium Mixtures Using Cubic Equation of State-based Method
Abstract: A comparative analysis of the vapour liquid equilibrium behaviour of the cryogenic hydrogen-deuterium system calculated under the assumption of an ideal solution using pure component vapour pressure data versus that of a real solution using Peng-Robinson cubic equation of state has been presented in this work. It is found that assumption of ideal solution leads to over prediction of the relative volatilities by 14% to 57% depending on the mixture …
Published in International Journal of Chemical Separation Technology · Vol. 4, Issue 2, 2018 · pp. 1–13 Read article
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Enhancement of Wear Resistance of AISI D2 Steel Slitter using Deep Cryogenic Treatment
Abstract: The cooling of material below-150C for sufficient soaking period is termed as deep cryogenic treatment (DCT). There is an improvement in wear resistance and hardness of tool and die steels due to deep cryogenic treatment. The improvement in wear resistance is observed due to precipitation of fine secondary carbides and even distribution of carbides. In present study, the slitters of AISI D2 cold work air hardening type tool steel are …
Published in International Journal of Manufacturing and Materials Processing · Vol. 7, Issue 2, 2021 · pp. 17–28 Read article
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Cryogenic Electron Microscopy Reveals Conformational Dynamics and Catalytic Mechanisms of Human Fatty Acid Synthase in De Novo Lipid Biosynthesis
Abstract: Fatty acid synthase (FASN) is a multifunctional homodimeric enzyme central to de novo fatty acid synthesis in mammals. Recent cryogenic electron microscopy (cryo-EM) studies have illuminated the structural basis of FASN catalysis, revealing multiple conformational states throughout the synthesis cycle. These findings show that the acyl carrier protein (ACP) domain dynamically shuttles substrates between spatially separated active sites, while the condensing and modifying regions remain structurally stable. In contrast to …
Published in International Journal of Analytical and Applied Chemistry · Vol. 12, Issue 2, 2026 · pp. 8–25 Read article
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International Journal of Manufacturing and Materials Processing
Abstract: Friction and wear resistance were studied on SiC-based novel ceramic composite for applications in advanced automotive braking systems. In the present work, SiC-based ceramic composite was prepared by solid-state reaction synthesis route using a fine powder of precursors. The product was investigated for wear rate under different load conditions in the range from 10N to 70N and speed conditions in the range from 0.13 m/s to 0.52 m/s. The present …
Published in International Journal of Manufacturing and Materials Processing · Vol. 7, Issue 1, 2021 · pp. 14–24 Read article
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A Review on Cutting Parameter on Micro Drilling Characteristics of Different Steel
Abstract: Related work revealed that a lot of works have been done on the cryogenic turning of various metals. The tool life significantly increases with the introduction of cryogenic and thermal-assisted machining in the turning operations. The reductions in the heat at tool chip interface have significantly affected on the tooled life. Some research gaps in the literature have been found as: Limited research works have been performed on the cryogenic …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 7, Issue 1, 2021 · pp. 31–36 Read article
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Enhancing Machining Sustainability: ComparativeAnalysis of Dry, Minimum Quantity Lubrication, andCryogenic Cooling Methods
Abstract: AbstractSustainable machining is crucial for minimizing the environmental, economic, and social challengesassociated with modern manufacturing. This study reviews environmentally sustainable machiningapproaches including dry machining, Minimum Quantity Lubrication (MQL), and cryogenic cooling,and evaluates their effects on machining performance and sustainability. Key performance indicators,such as surface integrity, tool wear, energy efficiency and cutting forces, are analyzed across variousmaterials. The findings demonstrate that dry machining eliminates liquid waste but is often limited bytool …
Published in International Journal of Manufacturing and Materials Processing · Vol. 11, Issue 1, 2025 · pp. 1–7 Read article
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A case study on selection of best manufacturing materials using decision making tools
Abstract: In order to address the challenges faced by decision-makers in the manufacturing industry MCDM processes plays a vital role in industrial applications for selecting the most suited material. These challenges include selecting the appropriate alternative for various factors such as materials, robots, and oxy-rich materials, which may have conflicting criteria. MCDM involves considering multiple criteria to choose from a set of alternatives, which can be finite or infinite. One well-known …
Published in International Journal of Manufacturing and Materials Processing · Vol. 9, Issue 1, 2023 · pp. 1–6 Read article
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An Extensive Analysis of QC's Difficulties & Restrictions
Abstract: QC constitutes a fundamental shift in computational paradigms by exploiting quantum mechanical phenomena namely superposition, entanglement, and interference to achieve computational advantages over classical systems for specific problem domains. Despite significant theoretical progress, the realization of large-scale, fault-tolerant quantum computers remains impeded by a range of intrinsic and technological constraints. This paper offers a thorough & critical analysis of the principal challenges associated with QC, with a focus on de- …
Published in International Journal of Analog Integrated Circuits · Vol. 12, Issue 2, 2026 Read article
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Oxygen Enrichment for fuel combustion in Refineries
Abstract: Fossil fuel is generally combusted using air however, the use of enriched oxygen can reduce fuel consumption and minimize emissions. Commercially, the oxygen is produced from air by cryogenic distillation, pressure swing adsorption, and membranes. For high-purity oxygen, cryogenic distillation is the best choice but economical point of view, the membranes provide the best solution. This paper discusses each technology in details and how the enriched oxygen can be beneficial …
Published in International Journal of Chemical Separation Technology · Vol. 5, Issue 2, 2019 · pp. 38–43 Read article
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Quantitative Consequence Analysis of Selected Accident Scenarios at a Refuelling Station for Hydrogen Vehicles
Abstract: AbstractThe implementation of hydrogen economy and energy systems in any nation will require introduction of a large number of hydrogen refueling stations for hydrogen based automobiles. These will be expected to store a significant inventory of hydrogen on site, either as a compressed gas with pressure of about 750 bar or as a cryogenic liquid at 20 K. Not only does the handling of compressed gases and cryogenic liquids present …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 5, Issue 2, 2019 · pp. 58–81 Read article
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Effect of Nanoclay on the Performance of Calotopis Gigantea Fiber Reinforced Thermoplastic Composites at Distinct Temperature
Abstract: Polymer-based nanocomposite is a developing subject that attracts many researchers due to its special qualities and versatility. Because the specific surface areas of nanofillers in nanocomposites are so high, it is much simpler to produce mechanical properties at the interface. Furthermore, a favorable interaction between the nanofillers and polymer matrix may manifest itself even at comparatively lower percentages of loading nanofillers. Thus, a smart, adaptive polymer nanocomposite material with the …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 9, Issue 2, 2023 · pp. 1–9 Read article
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A Survey on Hydrogen Storage System using Alloys
Abstract: The transition to a carbon-neutral energy landscape hinges on the ability to store hydrogen safely, densely, and reversibly. While high-pressure tanks and cryogenic vessels dominate today’s infrastructure, solid-state storage in metallic alloys offers a compelling alternative by marrying high gravimetric capacity with intrinsic safety. This work presents a systematic investigation of a family of reversible hydrogen-absorbing alloys—principally Mg-based intermetallics (Mg₂Ni, Mg-Fe-Mn) and Ti-V-based Laves phases (TiFe, Ti₁₋ₓMnₓV₂) – engineered through …
Published in International Journal of Energetic Materials · Vol. 12, Issue 1, 2026 · pp. 13–19 Read article
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Functional Rubber Particles and Their Applications- A Review
Abstract: Functional rubber powders (FRPs) are emerging as a potential class of materials derived primarily from end-of-life tires (ELTs) and other rubber scraps through mechanical, cryogenic, or de-vulcanization methods. These powders act as high-performance additives or reinforcing fillers in various engineering applications due to their low cost, improved surface properties, customizable particle sizes, and ability to undergo further chemical reactions. This review provides an overview of the production technologies, focusing on …
Published in International Journal of Chemical Separation Technology · Vol. 11, Issue 2, 2025 · pp. 8–16 Read article