Estimation of the thermophysical properties of heat-protective composite materials

Aleksandrova, Yu. P.

doi:10.1051/e3sconf/202337104002

Cited by 13 publications

(2 citation statements)

References 33 publications

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“…The results of the flow simulation confirm the correctness of the assumption about the possibility of using graphs of the distribution of the pressure coefficient 𝐶𝐶 𝑝𝑝 and the Mach number M along the airfoil chord in cruising flight mode as criteria for smoothing efficiency. However, their use is not sufficient to meet the requirements for the quality of the wing surface [38][39][40][41][42][43][44][45][46][47][48][49][50][51][52][53][54]. In the case considered, despite the disappearance of the second shock wave and the achieved more uniform pressure distribution along the airfoil chord, as a result of smoothing, an unintended concavity of the airfoil arose.…”

Section: Discussionmentioning

confidence: 99%

Airfoil smoothing using unconditional optimization taking into account aerodynamic criteria

Yerokhin,

Deniskin,

Dubrovin

et al. 2023

E3S Web Conf.

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The smoothing of airfoils in sections of the surface of an aircraft wing is considered. The issue of using the distribution of pressure and Mach number along the chord of an airfoil as criteria for smoothing efficiency is being studied. Smoothing is considered as a problem of unconditional minimization of a quadratic objective function. The arguments of the objective function are the second derivatives of the tabular function interpolating the contour of the airfoil. Minimization is performed using the gradient descent method.

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Section: Discussionmentioning

confidence: 99%

Airfoil smoothing using unconditional optimization taking into account aerodynamic criteria

Yerokhin,

Deniskin,

Dubrovin

et al. 2023

E3S Web Conf.

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“…Here, e-courses prepared by leading teachers of national universities and schools can help. A. Aleksandrova, M. Alekseeva, E. Lobanova and S. Feoktistova note the effectiveness of hybrid forms of learning in the context of personalised approach to education [4].…”

Section: Set Of International Environmental Law Normsmentioning

confidence: 99%

Norms and principles of international environmental law as a national environmental education element

Arutyunyan,

Russkikh

2023

E3S Web of Conf.

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The objective of the study is to substantiate the necessity of studying the basics of international environmental law within the framework of national environmental education courses at all levels and profiles of the educational system, including school. The research methodology is based on the use of such methods as abstraction and concretisation, analysis and synthesis, induction, and deduction. The acquisition by students of knowledge of the basics of international environmental law, as it seems, will allow them to get an idea in a concise and capacious form about the most important achievements of mankind in the sphere of legal regulation of relations formed in the process of environmental protection and nature use, about the main environmental challenges facing mankind, about the key terms of environmental law, a universal legal language understandable to lawyers of all countries of the world, about the mechanism of implementation of the norms of international environmental law. The inclusion of information on international environmental law in educational courses will help to form a developed environmental legal consciousness among the younger generation and promote responsible environmental behaviour in the future.

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Microstructural analysis and mechanical properties of AlSi10Mg alloy components produced via SLM

Ripetskiy,

Brykin,

Korobov

2023

E3S Web of Conf.

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Selective Laser Melting (SLM) is a manufacturing process that involves layer-by-layer fusion of metal powder material using a laser beam. AlSi10Mg alloy, a hypoeutectic aluminum-silicon alloy, is known for its favorable mechanical properties, low density, and corrosion resistance, making it widely used in various industries. While traditionally used for casting, the unique properties of AlSi10Mg alloy have opened up opportunities for additive manufacturing, including SLM technology. This paper explores the tracks quality and preferable parameter interval for production via SLM. SLM products exhibit unique microstructures with distinct advantages and limitations. This study underscores the importance of careful parameter selection during SLM and the need for effective quality control in achieving desired mechanical properties.

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Estimation of the thermophysical properties of heat-protective composite materials

Cited by 13 publications

References 33 publications

Airfoil smoothing using unconditional optimization taking into account aerodynamic criteria

Airfoil smoothing using unconditional optimization taking into account aerodynamic criteria

Norms and principles of international environmental law as a national environmental education element

Microstructural analysis and mechanical properties of AlSi10Mg alloy components produced via SLM

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