An experimental study on the effect of lobe swirl device and its transition parts on thermal performance using Graphene-CuO/water nanohybrid by Farag A. Diabis, Abd Rahim Abu Talib, Norkhairunnisa Mazlan, Eris Elianddy Supeni

“…Enhancing heat transfer efficiency is a key focus in thermal applications. Smooth channels often suffer from poor fluid mixing, limiting their performance. …”
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Soret/Dufour, variable density, and viscous dissipation effects on heat and mass transfer of Oldroyd-B fluid flow over polymer sheet with convective heat flux by Zia Ullah, Md. Mahbub Alam, Farida Safdar, Moataz Alosaimi, Feyisa Edosa Merga

“…This study explores the influence of viscous dissipation and variable density on heating efficiency and mass flux in magneto-hydrodynamic Oldroyd-B fluid flow over a polymer stretching surface with Soret and Dufour effects. …”
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Numercial modeling for enhanced heat transfer efficiency of spiral coils with supercritical fluid flow under different operating conditions by Xinling Wang, Naeim Farouk, Xiaoqing Fu, Pradeep Kumar Singh, Guo Xu, Fahad M. Alhomayani, Baseem Khan, Fawaz S. Alharbi, Barno Sayfutdinovna Abdullaeva, Laith H. Alzubaidi, Yasser Elmasry, Hakim A.L. Garalleh

“…The primary objective of the study is to examine the impact of critical parameters, including shape, hydraulic diameter, inlet temperature, mass flux, and operating pressure, on important variables such as friction factor, heat transfer coefficient, and exergy efficiency. …”
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Thermodynamic study of improved cooling in solar photovoltaic cells using nanofluids with graphite-doped titanium dioxide and aluminum oxide by N. Sathiesh Kumar, Debabrata Barik, Kapura Tudu, Seepana Praveenkumar, Milon Selvam Dennison, Talib K. Ibrahim

“…Hence it can be recommended that, with an increase in pump efficiency or by the use of a variable-speed pump, the extra resistance can be compensated for without excessive energy consumption.…”
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Pneumatic Compliant End-effector Using Multi-compensation Integrated Nonlinear Active Disturbance Rejection Control by ZHANG Shuzhong, WU Qianxin, DAI Fuquan, WANG Yabing, ZHANG Gong

“…These voltages are used to design mid-position compensation, reducing the dead zone’s impact on control performance. LuGre friction model compensation: Friction data is collected under varying cylinder speeds. …”
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Soret-Dufour driven unsteady MHD bioconvective tetra-hybrid nano-additives over rotating disks with varying thermophysical property by Amudhini M, Poulomi De

“…It also found that skin friction decreases by 35 % with increase in variable viscosity parameter and Nusselt number increases by 11 % and 32 % with increase in nanoparticle volume fraction and thermal conductivity parameter respectively. …”
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A mathematical approach to the role of chemical reactions and temperature-dependent fluid properties on the peristaltic transport of non-Newtonian Ree-Eyring fluid in a nonuniform... by Prathiksha Sanil, Manjunatha Gudekote, Rajashekhar Choudhari, Madhavi M. R., Hanumesh Vaidya, Kerehalli Vinayaka Prasad

“…It ensures precise flow control in applications like pharmaceuticals, food processing, and chemical handling, while slip conditions enhance efficiency by reducing boundary friction. The current study explores the peristaltic transport of Ree-Eyring fluid through a non-uniform channel, focusing on temperature-dependent fluid properties such as viscosity and thermal conductivity, which are vital in modelling biological and industrial applications. …”
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Methods to Quantitatively Evaluate the Effect of Shale Gas Fracturing Stimulation Based on Least Squares by DENG Cai, SUN Kexin, WEN Huan, HU Chaolang

“…The optimization targeted the perforation friction coefficient <italic>k</italic>_perf as the primary unknown variable. …”
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Entropy analysis of Hall-effect-driven TiO2−CoFe2O4/ engine oil-based hybrid nanofluid flow between spinning porous disks with thermal convective boundaries by Sk Enamul, Surender Ontela

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Thermal analysis of ternary hybrid nanofluid flow in convergent/divergent channel using Box-Behnken design of response surface methodology by Ibrahim Mahariq, C.M. Mohana, B. Rushi Kumar, Kezzar Mohamed, Mohamed Rafik SARI, Hamiden Abd El-Wahed Khalifa, Sunitha Nagarathnam

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Robust control of a compliant manipulator with reduced dynamics and sliding perturbation observer by Muhammad Salman, Zhenwei Niu, Rajmeet Singh, Lochan Kshetrimayum, Irfan Hussain

“…The SPO effectively estimates all system states and perturbation, compensating for nonlinearities, disturbances due to variable stiffness, and friction, enabling consistent trajectory tracking with minimal control effort. …”
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Experimental Investigation of Torque Transmitting Ability of Innovative Movable-teeth CVT by Feng Nenglian, Mi Lei

“…In order to investigate the torque transmitting ability of the innovative Movable- teeth CVT（ i MCVT）,its construction and principle are analyzed,and then,a comparative analysis with the torque transmitting ability of the metal belt continuously variable transmission which is based on friction transmission is carried out. …”
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Analysis of the Influence of Tension on the Fluctuation of iMCVT by Feng Nenglian, Huang Hongyin, Wang Xiaofeng, Chen Longke, Zhang Xingyu

“…The Innovative Movable-teeth CVT（ iMCVT） is a new type of non-friction continuously variable transmission,in the process of transmission,there will be fluctuations in rotational speed and torque. …”
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基于modeFRONTIER的离合器碟形弹簧多目标优化设计 by 潘金坤

“…Based on the analysis of the working characters of disc springs in clutch,the mathematical model of multi-objective optimal design of disc springs is established with unified objective function method,which regards the minimization of the disc spring volume and its average variable quantity of working compress force within the scope of friction lining wear as optimal objectives.The optimization calculation is presented by using the software modeFRONTIER.The results indicate that the relevant performance of disc springs is significantly improved after optimal design,with the objective function values reduced by 36% and 6% respectively.The software modeFRONTIER,with its simplicity and efficient algorithm,solves optimization problems and improves design efficiency.…”
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Fast and Accurate Numerical Integration of the Langevin Equation with Multiplicative Gaussian White Noise by Mykhaylo Evstigneev, Deniz Kacmazer

“…It is shown that the efficiency of such simulations can be significantly enhanced by incorporating the skewness of the distribution of the updated state variable. …”
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Two-phase micropolar nanofluid flow in an isothermal extending porous sheet with heat radiation and chemical interaction: Numerical study by MD. Shamshuddin, Fakhraldeen Gamar, S.O. Salawu, B. Prabhakar Reddy

“…The important characteristics of the fluid speed, thermal transport, and solute profiles are explained by the graphs and friction-drag, rate of thermal and solutal portages by the tables. …”
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Computation of the Flow and Salinity Distribution in the Vicinity of Discharge and Intake Ports of a Desalination Plant by Sami A. Al-Sanea

“…These are the convective and diffusive transport, wind stresses, sea-bed friction and variable sea-bed elevation. The results of a parametric study on a hypothetical desalination plant discharge, under a range of meteorological, hydrological, topographical and plant operating conditions, show the importance of the various factors and the possible effects of discharge on intake conditions. …”
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Analysis of heat transfer in Casson fluid flow due to aligned flat plate with leading edge accretion and slip boundary conditions by Jaganathan Jayaprakash, Vediyappan Govindan, Haewon Byeon

“…This comparative study shows that non-Newtonian fluids improve heat retention, thermal stability, and energy efficiency. They enhance solutal mixing, reduce fouling, lower surface friction, and improve flow control, making them ideal for industrial applications. …”
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Magnetohydrodynamic Maxwell hybrid nanofluid flow and heat transfer over a moving needle in porous media by Rejab Hajlaoui, Amir Abbas, Fizza Anwar, Mohamed Mahdi Boudabous, Alaa Chabir, Walid Hassen, Lioua Kolsi

“…The Maxwell fluid parameter also influences the fluid speed and thermal efficiency of the fluid. Results reflect that the skin friction coefficient reduces and the Nusselt number or heat transfer rate increases with increasing Prandtl number. …”
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Research on Sealing Performance of Supercritical Hydrogen Cylindrical Seals Based on Multi-Objective Optimization of Spiral Grooves by Xueliang Wang, Zegan Gao, Wei Zhang, Junjie Lu, Min Jiang, Leibo Wu, Xuejing Wu

“…Aimed at hydrogen turbines, this research employs advanced noncontact cylindrical sealing and optimizes its sealing structure to enhance efficiency. Therefore, this paper considers the variable density and viscosity cylindrical sealing model with actual gas effects and explores the impact of groove parameters on load capacity, leakage, and friction force under two different temperature and pressure conditions. …”
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