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TEMPERATURE OF SLIDING SURFACES OF INTERNAL COMBUSION ENGINES BY THE TEMPER COLORS OF WEAR PARTICLES

M. G. El-Sherbiny, Farouk Hammad, M. M. Youssef, M. K. Mohamed et al. • Journal of the Egyptian Society of Tribology (2026)

The present study examines the temper colors of the wear particles retained by the oil filter by optical microscope. The temperature of the sliding surfaces inside engines can be determined by the temper colors of the wear particles. Becaus...

DOAJ Open Access (DOAJ) DOI: 10.21608/jest.2026.481011.1158

Effect of fire-source location on flame behavior and temperature distribution in subway carriages with multiple lateral openings

Xinyu Wang, Guoqing Zhu, Xuyao Qi, Guowei Zhang et al. • Case Studies in Thermal Engineering (2026)

Urban rail transit has been widely adopted to alleviate surface traffic congestion. However, subway fire safety remains a critical concern because of the confined carriage space, high occupant density, and complex ventilation conditions. Mo...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.csite.2026.108501

A case study on morphological aspects of distinct magnetized 3D hybrid nanoparticles on fluid flow between two orthogonal rotating disks: An application of thermal energy systems

Zahra Abdelmalek, M. Zubair Akbar Qureshi, S. Bilal, Qadeer Raza et al. • Case Studies in Thermal Engineering (2021)

The consolidation power of different nanomaterials such as metallic nanoparticles and metallic-oxides nanoparticles in a new-fangled and energetic hybrid material should give rise to fascinating properties that combine the advantages of eac...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.csite.2020.100744

A Comprehensive Mathematical Model of Electroslag Remelting with Two Series-Connected Electrodes Based on Sequential Coupling Simulation Method

Wenjie Tong, Wanming Li, Ximin Zang, Huabing Li et al. • Metals (2020)

A comprehensive mathematical model of electroslag remelting with two series-connected electrodes (TSCE-ESR) was constructed based on sequential coupling method. The influence of droplet effect on electroslag remelting process (ESR) was cons...

DOAJ Open Access (DOAJ) DOI: 10.3390/met10050658

Generalized thermoelastic interactions in porous asphaltic material under fractional time derivative

Ibrahim Abbas, Aboelnour Abdalla, Areej Almuneef, Alaa A. El-Bary • Case Studies in Thermal Engineering (2025)

This study investigates generalized thermoelastic interaction in porous asphaltic materials subjected to thermal loading, using fractional model with time-delay effects. The framework incorporates the Riemann-Liouville fractional derivative...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.csite.2025.106304

Developing a Framework for Using Molecular Dynamics in Additive Manufacturing Process Modelling

Panagiotis Stavropoulos, Vasiliki Christina Panagiotopoulou • Modelling (2022)

Additive Manufacturing (AM), or else Smart Manufacturing, has been an intrinsic concept in Industry 4.0, offering flexibility and material efficiency. Certain limitations prevent AM from being used in the industrial setting extensively, des...

DOAJ Open Access (DOAJ) DOI: 10.3390/modelling3010013

Solar heat transport analysis of Falkner Skan Casson ternary hybrid nanoparticles over a permeable wedge

Khan Mohsin, Sheheryar Shah, Amra Al Kenany, Meshal Shutaywi et al. • Discover Nano (2026)

Abstract In the modern era, energy has become a vital concern across all sectors, while efficient energy generation remains a significant challenge for scientists and engineers. To overcome this issue, researchers have developed ternary hyb...

DOAJ Open Access (DOAJ) DOI: 10.1186/s11671-026-04821-1

Rarefied Reactive Gas Flows over Simple and Complex Geometries Using an Open-Source DSMC Solver

Rodrigo Cassineli Palharini, João Luiz F. Azevedo, Diego Vera Sepúlveda • Aerospace (2025)

During atmospheric reentry, a significant number of chemical reactions are produced inside the high-temperature shock wave formed upstream of the spacecraft. Chemical reactions can significantly alter the flowfield structure surrounding the...

DOAJ Open Access (DOAJ) DOI: 10.3390/aerospace12080651

Highly efficient photonic PCR system based on plasmonic heating of gold nanofilms

Joshua Nabuti, Ahmed Rashad Fath Elbab, Ahmed Abdel-Mawgood, Matsushita Yoshihisa et al. • Biosensors and Bioelectronics: X (2023)

The polymerase chain reaction (PCR) is a standard molecular method that has the potential to solve the need for accurate, viable, and immediate infectious pathogen detection at point-of-care (POC) centers in different fields such as pathoge...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.biosx.2023.100346

Development of Nuclear-thermal-mechanical Coupling Calculation Acceleration Method in Advanced Reactor Simulation Code FSAR

ZHANG Bin1, YIN Haoyu2, ZHANG Tengfei2, WANG Jiangyu1, LU Di1, WANG Lianjie1 • Yuanzineng kexue jishu (2026)

To meet the computational efficiency requirements for multi-physics simulations in the design and development of advanced reactor cores, a neural network-based acceleration method was investigated for multi-physics coupling calculations in ...

DOAJ Open Access (DOAJ) DOI: 10.7538/yzk.2025.youxian.0668