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Morgan Renard, Waldemar Machnowski and Adam K. Puszkarz
The research presented in this article concerns the thermal properties of multilayer protective clothing, specifically, the impact of phase-change material (PCM) incorporation on the occurring heat transfer. Multilayer textile assemblies with PCM inserts...
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Tingjian Wang, Xinxin Ma, Liqin Wang, Le Gu, Longcheng Yin, Jingjing Zhang, Liwei Zhan and Dong Sun
In this paper, a three-dimensional thermoelastic contact model of coated solids with the frictional heat partition considered is developed by introducing a frictional heat partition model. The influence coefficients of the temperature rise, normal displa...
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Gábor Fekete, Károly Váradi
Pág. 27 - 33
The present paper includes the first part of an investigation of the complex braking process during the braking of railway vehicles, using transient thermal FE models with temperature dependent material properties. In the development of the geometric mod...
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Jacqueline Hannss, Jeremias Grün, Christoph Olbrich, Simon Feldmeth and Frank Bauer
Rotary shaft seals prevent the exchange of fluid at shaft passages. Their function and service life depend decisively on the temperature in the contact area between the sealing edge and the shaft. Since the temperature depends on both the generation of f...
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Rafal Wyczólkowski, Marek Gala and Vazgen Bagdasaryan
During heat treatment of rectangular steel sections, a heated charge in the form of regularly arranged packages is placed in a furnace. The article presents a model of a complex heat transfer in such a package using the thermo-electric analogy. The model...
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Vu Dinh Tho, Elena Anatolyevna Korol, Nikolai Ivanovich Vatin and Hoang Minh Duc
The research object was three-layer reinforced precast concrete enclosure structures. The structures consist of heavy concrete B25 in the external layers and polystyrene concrete B1 in the internal layer. The stress?strain state of precast concrete struc...
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Kaining Zhang, Chunguang Wang, Qun Li and Zhihong Wang
The nozzle of solid rocket motor (SRM) is easily ablated by high temperature, high pressure, high speed, and corrosive particles, which affects the stability of rocket flight. Therefore, the measurement and characterization of the nozzle ablation rate ar...
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Chunyan Bao, Meng Zhou and Yuexiang Cai
Shale gas is a promising new energy source stored in shale. This research aims to study the laws of rock crack initiation and propagation under the low-temperature fracturing of liquid nitrogen, explore the influencing factors of the shale reservoir frac...
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Sergei Sabadash,Marina Savchenko-Pererva,Oleg Radchuk,Lyudmila Rozhkova,Andreii Zahorulko
Pág. 15 - 21
One of the most common and investigated processes in the food industry is the drying process; this is the final stage of technological protocols that defines quality of a resulting product. It has been established that the drying process intensified due ...
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Hexin Liu, Haidong Wang and Xing Zhang
The concept of thermal rectification was put forward decades ago. It is a phenomenon in which the heat flux along one direction varies as the sign of temperature gradient changes. In bulk materials, thermal rectification has been realized at contact inte...
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Manuel Hildebrandt, Heiko Schwarz, Corina Schwitzke, Hans-Jörg Bauer and Jens Friedrichs
Reducing losses in the secondary air system of gas and steam turbines can significantly increase the efficiency of such machines. Meanwhile, brush seals are a widely used alternative to labyrinth seals. Their most valuable advantage over other sealing co...
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Manuel Hildebrandt, Heiko Schwarz, Corina Schwitzke, Hans-Jörg Bauer and Jens Friedrichs
Reducing losses in the secondary air system of gas and steam turbines can significantly increase the efficiency of such machines. Meanwhile, brush seals are a widely used alternative to labyrinth seals. Their most valuable advantage over other sealing co...
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Isnel Benítez Cortés,Luis Beltrán Ramos Sánchez,Agustín García Rodríguez,Fernando Prieto Montenegro
Pág. 76 - 81
Este trabajo presenta una metodología para determinar las áreas de transferencia de calor de un reactor tambor rotatorio con la presenciade deflectores en su interior. Se evaluaron diferentes flujos de sólidos, entre 3,4 y 7,6 g/s y dos velocidades de ro...
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Isnel Benítez Cortés,Luis Beltrán Ramos Sánchez,Agustín García Rodríguez,Fernando Prieto Montenegro
Pág. 76 - 81
Este trabajo presenta una metodología para determinar las áreas de transferencia de calor de un reactor tambor rotatorio con la presenciade deflectores en su interior. Se evaluaron diferentes flujos de sólidos, entre 3,4 y 7,6 g/s y dos velocidades de ro...
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A. Sladkowski
Pág. 217 - 221
The article deals with the problems related to parallelize of computational processes for solving problems connected with the thermal stress by the finite element method. As an example, here considered the problem of heat generation in the contact zone o...
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B. S. Okrepkyi,M. Y. Shelestovska
Pág. 110 - 117
Solution of the axis-symmetric contact task of thermo-elasticity of the hot cylinder circular punch stress on the elastic isotropic layer taking into account a non-ideal heat contact between punch and layer is built. Formulas for determination of the tem...
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Tianyu Gao, Hao Chen, Danna Tang and Yumo Wang
To improve the friction and wear performance of the piston-cylinder liner friction pair, inspired by earthworms and leeches, 27 kinds of pistons with cylindrical pit arrays are designed and processed. Through a friction test, four superior textured pisto...
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Feihong Yun, Dong Liu, Xiujun Xu, Kefeng Jiao, Xiaoquan Hao, Liquan Wang, Zheping Yan, Peng Jia, Xiangyu Wang and Bin Liang
Taking a subsea collet connector as an example, the contact characteristics of the sealing structure of the subsea connector under thermal?structural coupling were studied. Considering the heat transfer problem of the subsea connector in deep water, the ...
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Runfeng Xiao, Pingtao Zhang, Liang Chen, Yu Zhang and Yu Hou
Thermal management at a high heat flux is crucial for high-power electronic devices, and jet impingement cooling is a promising solution. In this paper, a hybrid heat sink combining a microchannel and jet impingement was designed, fabricated and tested i...
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Nurfathin Zahrolayali, Mohd Rashdan Saad, Azam Che Idris and Mohd Rosdzimin Abdul Rahman
Utilization of a heat source to regulate the shock wave?boundary layer interaction (SWBLI) of hypersonic inlets during throttling was computationally investigated. A plug was installed at the intake isolator?s exit, which caused throttling. The location ...
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