Results 21 to 30 of about 3,013,413 (256)
Advances in Materials Science and Engineering, 2022 In this study, the fracture behavior of AISI 4140 low-alloy steel nitrided with respect to the applied current density was investigated. A series of rotary bending fatigue tests were performed with various loads (350, 400, 450, and 500 N) at a constant ...
Hyun Jun Park +5 more
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Air-to-water heat pump assessment: Part 2 – Exergetic and exergoeconomic analyses [PDF]
E3S Web of Conferences, 2021 This study is part 2 of the investigation on the exergetic and exergoeconomic parameters of an existing system with an air-to-water heat pump unit as a heat source. Part 1 presents the used experimental setup.
Doseva Nadezhda, Chakyrova Daniela
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Thermal quadrupole method with internal heat sources [PDF]
, 2012 A new method based on the thermal quadrupoles technique for heat transfer modelling in multilayered slabs with heat sources is proposed. Classical thermal quadrupoles use hyperbolic functions and numerical problems occur according to the argument value ...
A. Kusiak +21 more
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Preliminary mathematical and numerical transient models of convective heating and drying of a brick
MATEC Web of Conferences, 2018 The paper presents the initial approach to mathematical and numerical modelling and optimization of heat and mass transfer in elements of the masonry wall.
Łapka Piotr +8 more
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Assessment of the Condition of Pipelines Using Convolutional Neural Networks
Energies, 2020 Pipelines are structural elements of many systems. For example, they are used in water supply and heat supply systems, in chemical production facilities, aircraft manufacturing, and in the oil and gas industry.
Yuri Vankov +5 more
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Experimental electro coagulation unit for pretreament of mains water for dteam generation at thermal power plants [PDF]
E3S Web of Conferences, 2020 The article covers the state of pre-chemical treatment of natural water at Tashtpp with the use of aluminum sulphate and the creation of an experimental unit for producing coagulant, aluminum sulphate, as well as a block diagram of the proposed ...
Isaxodjayev Xayrulla +3 more
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Improving the performance of the vapor compression cycle using an internal heat exchanger [PDF]
E3S Web of Conferences, 2023 The main additional consumer of electrical energy in an electric bus is the climate system, which can consume up to 30% of electrical energy. This problem is especially relevant in Russia at low ambient temperatures. The optimal solution is to switch the
Ermakov Andrey +2 more
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MATEC Web of Conferences, 2018 The interrelations between the size of the gas turbine engine (GTE) and the size and workflow of the combustion chamber (CC) were considered. On the base of analysis of workflow organization the design of CC with toroidal recirculation mixing zone was ...
Yurievich Orlov Michael +4 more
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Energy storage using underground mining caverns [PDF]
E3S Web of Conferences, 2019 In recent years, due to the very intensive development of renewable sources (working in a very irregular and unpredictable way), energy storage has acquired a special importance for the stability of the power system.
Szabłowski Łukasz +2 more
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Thermodynamic Analysis and Optimization Design of a Molten Salt–Supercritical CO2 Heat Exchanger
Energies, 2022 The performance of a heat exchanger is directly related to the energy conversion efficiency of the thermal storage system, and its optimal design is an important method to improve the performance of the heat exchanger.
Xiaoming Dong +4 more
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