Radionuclide Transport in Fractured Rock: Numerical Assessment for High Level Waste Repository by Claudia Siqueira da Silveira, Antonio Carlos Marques Alvim, Jose de Jesus Rivero Oliva

“…The partial differential equations describing the movement of radionuclides were discretized by finite difference methods, namely, fully explicit, fully implicit, and Crank-Nicolson schemes. The convective term was discretized by the following numerical schemes: backward differences, centered differences, and forward differences. …”
Get full text

Determining the Areas Most Affected by Flood and Statistical-Synoptic Analysis of Flood Events In East Azerbaijan Province by Mehdi Eslahi, Farnaz Pourasghar, Younes Akbarzadeh, Mohammad Omidfar, Naser Mansouri Derakhshan, Abbas Shahmary

“…Precipitation systems are divided into two dynamic and thermal categories in terms of the air rising factor, and the frequency of systems leading to flooding is generally 58% related to dynamic systems and 42% of them related to thermal systems caused by the formation of local convective clouds.…”
Get full text

Mathematical model and stability of SWCNT- and MWCNT-based nanofluid flow with thermal and chemically reactive effects inside a porous vertical cone by Haihua Xu, Fuad A. Awwad, Emad A. A. Ismail, Waris Khan

“…This study investigates the significance of single-walled (SWCNTs) and multi-walled (MWCNTs) carbon nanotubes with a convectional fluid (water) over a vertical cone under the influences of chemical reaction, magnetic field, thermal radiation and saturated porous media. …”
Get full text

Unsteady flow and heat transfer optimization of viscous fluid with bioconvection over a rotating stretchable disk and gyrotactic motile microorganisms by Mazhar Hussain, Samya Shahid, Noreen Sher Akbar, Mohammed Kbiri Alaoui

“…The ultimate aim of the present paper is to investigate thermal, mass and microorganism transfer rates in convective flow. Nanofluid's heat transfer along with unsteady laminar flow on stretched rotating disk with motile microorganism bioconvection is numerically analyzed. …”
Get full text

Effects of staggered truncated ribs on thermal-hydraulic performance and entropy generation of microchannel heat sinks by Dongkai Wang, Lirui Xue, Chang Liu, Haitao Chen, Changquan Xia, Qinyu Qian, Liwen Cheng

“…Subsequent analysis further investigates the effect of β on convective heat transfer in MC-STR. The results indicate that MC-STR significantly enhances the heat transfer and reduces the heated wall temperature. …”
Get full text

Entropy framework of the bioconvective Williamson nanofluid flow over a Riga plate with radiation, triple stratification and swimming microorganisms by K. Loganathan, N. Thamaraikannan, S. Eswaramoorthi, Reema Jain

“…Owing to this a comprehensive description of the mixed convective flow of Williamson nanofluid as it flows over a Riga plate with entropy production and motile microorganisms. …”
Get full text

Simulation of Impinging Cooling Performance with Pin Fins and Mist Cooling Adopted in a Simplified Gas Turbine Transition Piece by Tao Xu, Hang Xiu, Junlou Li, Haichao Ge, Qing Shao, Guang Yang, Zhenglei Yu

“…All the simulation results reveal that the factors of L and D/d have significant effects on the convective heat transfer. After the pin fin structure was taken, the resulting temperature decrease of 38.77 K at most compared with the result of structure without pin fins. …”
Get full text

Curing simulation and data-driven curing curve prediction of thermoset composites by Chenchen Wu, Ruming Zhang, Pengyuan Zhao, Liang Li, Dingguo Zhang

“…Nevertheless, in simulation of cure is not the cure model itself, but rather knowing the initial conditions such as fiber volume fraction, initial curing degree, convective boundary conditions etc. Additionally, solving the heat transfer coupled with the cure kinetics presents additional requirements for time, making artificial intelligence tools promising for these problems. …”
Get full text

Green hydrothermal synthesis of nickel and zinc-doped nickel ferrite nanoparticles using Dalbergiella welwitschii extracts and their biological studies by Oghenejoboh Ufuoma Modupe, Sonibare Oluwadayo Olatunde, Muhammad Waseem, Ekundayo Olusegun, Sirajul Haq, Ahad Amer Alsaiari, Jamoliddin Razzokov

“…Convectional drugs have failed to tackle the increasing public health challenge of Cancer and diabetes. …”
Get full text

Suspended Particulates Concentration (PM10) under Unstable Atmospheric Conditions over Subtropical Urban Area (Qena, Egypt) by M. El-Nouby Adam

“…These average values were equal to 122.80 ± 9 μg m−3 (highly unstable or convective), 109.37 ± 12 μg m−3 (moderately unstable) and 104.42 ± 15 μg m−3 (slightly unstable).…”
Get full text

Sound Radiation Analysis of a Front Side Window Glass of DrivAer Model under Wind Excitation by Yinzhi He, Zihao Shi, Yu Wu, Zhigang Yang

“…Therefore, an approach of calculating sound radiation of a vibrating glass caused by the air convective pressure fluctuation was explored.…”
Get full text

Micropolar Couple Stress Nanofluid Flow by Non-Fourier’s-Law Heat Flux Model past a Stretching Sheet by Gosa Gadisa, Tagay Takele, Shibiru Jabessa

“…In this investigation, thermal radiation effect on MHD nonlinear convective micropolar couple stress nanofluid flow by non-Fourier’s-law heat flux model past a stretching sheet with the effects of diffusion-thermo, thermal-diffusion, and first-order chemical reaction rate is reported. …”
Get full text

Method for Determining the Model Order for Model Order Reduction of the Linear Parameter Varying Heat Conduction Model using the Monte Carlo Method by Akiyasu MIYAMOTO

“…We applied this algorithm to a 3D FEM model with linear parameter varying convective heat transfer. The results show that the simulation time of the reduced order model, with an accuracy of 0.1 ℃ or less, can be reduced to 1/200 compared to the original FEM model (full order model), and to 1/12 compared to the original reduced order model generated by conventional parametric model order reduction techniques. …”
Get full text

Enhanced Fluid Mixing in Microchannels Using Levitated Magnetic Microrobots: A Numerical Study by Ali Anil Demircali, Abdurrahim Yilmaz, Huseyin Uvet

“…The efficient mixing of fluids at microscale dimensions presents challenges due to the dominant laminar flow regime which restricts convective mixing. This study introduces a numerical analysis of a novel microrobotic mixing system with a levitated propeller robot, driven by magnetic fields, within a Y-shaped microchannel with a square cross-section (500 × 500 μm). …”
Get full text

Effects of Thermal Radiation and Variable Porosity on Unsteady Magnetoconvective Heat-Mass Transport Past a Vertical Perforated Sheet by Md. Abu Bkar PK, Md. Hasanuzzaman, Md. Mosharof Hossain, Dipayan Mondal

“…This study interprets the effects of radiative and variable porosity on a time-dependent MHD-free convective heat-mass transfer past a vertical porous sheet. …”
Get full text

Vegetation Cover Variation and Dust Frequency Analysis Over West of Asia by Mehdi Rahnama, Saviz Sehat, Sara Karami, Abbas Ranjbar, Noushin Khoddam

“…Interactions between the atmosphere and the earth's surface, such as the effect of vegetation or soil moisture and rainfall intensity in an area, can be important in determining the convective activity of the atmosphere (Lee et al., 2016). …”
Get full text

Determination of temperature mode of rotary bearings of gas turbine engine with air and fuel lubrication system by V. N. Klimov, D. Ya. Dudev, V. Ya. Sigaylo, N. I. Klimov

“…On the basis of the test results of hybrid ball radial thrust bearings 45-126205РЯ the dependences of the friction moment and the coefficient of convective heat transfer on the parameters of the air-fuel mixture and operating modes are determined. …”
Get full text

Construction of optimised theoretical model using ANOVA -Taguchi methodology for transient flow of Carreau nanofluid through microchannel prone to radiation by Pradeep Kumar, Felicita Almeida, Ajaykumar AR, Qasem Al-Mdallal

“…Buongiorno model is employed, which emphasizes the repercussions of Brownian motion and thermophoresis phenomena; also, mixed-convective flow is accounted. The modelled problem gives rise to partial differential equations, which are non-dimensionalized employing non-dimensional quantities. …”
Get full text

Comparison of Sustained Hemodiafiltration with Acetate-Free Dialysate and Continuous Venovenous Hemodiafiltration for the Treatment of Critically Ill Patients with Acute Kidney Inj... by Masanori Abe, Noriaki Maruyama, Shiro Matsumoto, Kazuyoshi Okada, Takayuki Fujita, Koichi Matsumoto, Masayoshi Soma

“…Although the total convective volumes did not significantly differ, the dialysate flow rate was higher and mean duration of daily treatment was shorter in the SHDF treatment arm. …”
Get full text

The anomalously thundery month of June 1925 in southwest Spain: description and synoptic analysis by F. J. Acero, M. Antón, A. J. P. Aparicio, A. J. P. Aparicio, N. Bravo-Paredes, V. M. S. Carrasco, M. C. Gallego, J. A. García, M. Núñez, I. Tovar, J. Vaquero-Martínez, J. M. Vaquero

“…Thereby, a combination of a negative North Atlantic Oscillation (NAO) situation, elevated convective available potential energy (CAPE) values, large-scale lifting, and abundant precipitable water availability in the region was revealed.…”
Get full text