Article
Chemistry, Physical
Kunrong Zeng, Drai Ahmed Smait, Amjed Qasim Mohammed, Ashraq Mohammed Kadim, Rusul Mohammed AL-Khafaji, Samar Emad Izzat, Ayat Hussein Adhab, Ali H. Lafta, Salema K. Hadrawi, As'ad Alizadeh, Maboud Hekmatifar
Summary: This study investigates the behavior of various fluids in the presence of obstacles inside metallic nanochannels, and describes the fluid flow using molecular dynamics simulations.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Chemistry, Physical
Jun Chen, Zuhra Muter Saleh, Nasier Saadoon, Musaddak Maher Abdul Zahra, M. Gh. Said, Usama S. Altimari, Ayat Hussein Adhab, Emad Salaam Abood, Salema K. Hadrawi, As'ad Alizadeh, M. Hekmatifar
Summary: This study investigates the impact of the number of obstacles on argon flow inside platinum nanochannels using molecular dynamics simulation. The results show that an increase in the number of obstacles leads to a decrease in density, velocity, and temperature of the fluid, as well as a reduction in particle oscillations. Furthermore, the increase in obstacles decreases the atomic stability of the nanochannels, resulting in a shorter lifetime for heat/mass transfer processes. By controlling the number of obstacles, it is possible to optimize processes like mass transfer and heat transfer for industrial purposes.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Chemistry, Physical
Man Wang, Qiangqiang Sun, Chao Yang, Lin Cheng
Summary: This study investigates the thermal de-icing on a nanochannel using molecular dynamics simulation. The results demonstrate that temperature differences between the ice and nanochannel promote heat transfer, leading to rapid ice melting. The participation of fluid atoms in interfacial heat transfer contributes to the efficient melting of ice.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Thermodynamics
Man Wang, Haiyi Sun, Lin Cheng
Summary: The study demonstrates that using fractal Cantor structures in nanochannels can enhance convective heat transfer performance, with an increase in fractal number and surface wettability leading to higher heat transfer and flow resistance. The best comprehensive convective heat transfer performance is achieved at a fractal number of 3.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2021)
Article
Thermodynamics
Qiangqiang Sun, Yong Zhao, Kwing-So Choi, Xuerui Mao
Summary: This study used molecular dynamics simulations to investigate the heat transfer of liquid argon in nanoscale channels. It was found that the thermal slip length is significantly dependent on the liquid density layering near the wall, providing a new idea for tuning heat dissipation properties at the fluid-wall interface.
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
(2021)
Article
Chemistry, Physical
A. Hubao, Zhibing Yang, Ran Hu, Yi-Feng Chen
Summary: The imbibition dynamics in a nanochannel are controlled by energy dissipation mechanisms and influenced by asymmetric wettability. Molecular dynamics simulations are used to study imbibition dynamics under various wetting conditions, leading to the proposal of a modified theoretical model that accurately captures the dynamic changes during the imbibition process.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Engineering, Multidisciplinary
T. N. Abdelhameed
Summary: This article investigates the thermal behavior of ammonia fluid with suspended roughness in a nanochannel using molecular dynamics simulations. The changes in thermal conductivity and heat flux are examined, along with the atomic behavior of the fluid. The results show that the fluid density is higher near the wall of the nanochannel compared to the middle regions, and the thermal conductivity increases with increased motion of particles in the channel.
ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS
(2023)
Article
Chemistry, Physical
Omid Ali Akbari, Mohsen Saghafian, Ebrahim Shirani
Summary: This study investigates the molecular dynamics behavior of argon Poiseuille flow in copper nanochannels. The findings suggest that alterations in wall and fluid temperature, the impact of wall force, and the existence of obstacles have noteworthy impacts on flow parameter behavior. In the presence of obstacles, the number density of argon atoms displays relatively intense fluctuations, and the maximum heat transfer increases by 72% compared to a smooth nanochannel.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Thermodynamics
Nini Wu, Liangcai Zeng, Ting Fu, Zhaohui Wang, Xiaolei Deng
Summary: This paper investigates the impact of nanostructures and wettability on rapid boiling by modeling rough surfaces with different wettability. The simulation results show that increasing nanochannel height can enhance the supply of liquid water and thermal energy transfer, as well as facilitate nucleation point formation and evaporation. The key elements for designing an optimized surface include a large hydrophilic area, more nucleation points, and potential energy differences between hydrophilic zones and nucleation points.
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
(2021)
Article
Metallurgy & Metallurgical Engineering
Shiming Zhang, Chao Zhang, Gengpeng Mai, Jianxun Song, Yusi Che, Jilin He
Summary: In this study, the reaction characteristics of reduction of calcined dolomite with ferrosilicon under argon flow to produce magnesium were investigated. The results show that the conversion significantly increases with the increase in the reduction temperature and reduction time, while it first increases and then decreases with the increase in argon flow. It was also found that high-temperature argon can enhance the heat exchange between pellets, improve the heat transfer efficiency, and facilitate the reaction process.
JOURNAL OF MAGNESIUM AND ALLOYS
(2023)
Article
Thermodynamics
Shuting Yao, Jiansheng Wang, Xueling Liu
Summary: Based on the principle of molecular dynamics, the convective heat transfer of fluid in nanochannels is influenced by various rough nanostructure morphologies. A smaller nanostructure free shear ratio and sparse nanostructures are beneficial for heat transfer enhancement and drag reduction in the nanochannel.
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
(2021)
Article
Engineering, Chemical
Haiqi Gao, Jing Wang, Xirui Zhang, Mingao Hu, Qinghao Xu, Yannan Xie, Yuzhen Liu, Ruifeng Lu
Summary: The study reveals that the stability of graphene channels depends on its layered structure and height, with water permeability increasing with channel height and water viscosity decreasing. These findings are crucial for the future development of graphene membranes.
Article
Thermodynamics
Widad Abdullah AbdulHussein, Azher M. Abed, Doaa Basim Mohammed, Ghassan Fadhil Smaisim, Shaghayegh Baghaei
Summary: This study investigates the boiling process of samples simulated in micro/nanochannels using molecular dynamics simulation. The results show that the phase change rate is higher in Helium base fluid samples compared to other fluids. The boiling time in micro/nanochannels can be decreased by increasing the number of atomic curvatures, intensity of the external electric field, and intensity of the external magnetic field.
CASE STUDIES IN THERMAL ENGINEERING
(2022)
Article
Chemistry, Physical
Yangjun Qin, Jin Zhao, Zhao Liu, Chao Wang, Hang Zhang
Summary: The influence of surface roughness inside the nanochannel on nanofluid flowing properties was studied using molecular dynamics simulation. The study found that increasing roughness height increases the temperature and velocity of the nanofluid. Surface roughness also reduces the range of density fluctuations near the walls in the nanochannel. Triangular roughness has the greatest effect on the flow properties of the nanofluid.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Chemistry, Physical
Jinmeng Shi, Baraa Abd Alreda, Ali S. Abosinnee, Ali Hamid Abdul Hussein, Mohammed Abed Jawad, Anwar Qasim Khallawi, Dheyaa J. Jasim, Navid Nasajpour-Esfahani, Davood Toghraie
Summary: This study simulates the adsorption process of small peptide structures in a platinum nanochannel using the Molecular Dynamics method. The results demonstrate the appropriate adsorption behavior of the metallic nanochannel with cubic roughness.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Biochemical Research Methods
Y. D. Sumith, Shalabh C. Maroo
JOURNAL OF MOLECULAR GRAPHICS & MODELLING
(2018)
Article
Chemistry, Physical
Sajag Poudel, An Zou, Shalabh C. Maroo
JOURNAL OF PHYSICAL CHEMISTRY C
(2019)
Article
Chemistry, Multidisciplinary
An Zou, Sajag Poudel, Sidharth P. Raut, Shalabh C. Maroo
Article
Physics, Applied
Manish Gupta, An Zou, Shalabh C. Maroo
APPLIED PHYSICS LETTERS
(2020)
Article
Chemistry, Physical
An Zou, Manish Gupta, Shalabh C. Maroo
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2020)
Article
Chemistry, Multidisciplinary
Sajag Poudel, An Zou, Shalabh C. Maroo
Article
Nanoscience & Nanotechnology
Sajag Poudel, An Zou, Shalabh C. Maroo
Summary: The experimental study explored droplet wicking and evaporation in porous nanochannels on a heated surface, showing the potential of the fabricated geometry to passively dissipate high heat fluxes for spray cooling applications.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Mechanics
An Zou, Shalabh C. Maroo
Summary: Molecular dynamics simulations were used to estimate the equilibrium pressure of liquid confined in nanopores. The pressure was found to be highly sensitive to the pore size, with even a small change in size leading to significant shifts from positive to negative values. Additionally, the solid-liquid interaction dominated the pressure in the first liquid layer adjacent to the surface.
Article
Chemistry, Multidisciplinary
An Zou, Sajag Poudel, Manish Gupta, Shalabh C. Maroo
Summary: The disjoining pressure of water was estimated from experiments and validated in computational fluid dynamics. The simulation results were in excellent agreement with experimental data, demonstrating the reliability of the developed disjoining pressure relation.
Article
Energy & Fuels
Sajag Poudel, An Zou, Shalabh C. Maroo
Summary: The temperature of a solar cell affects its photoelectric conversion efficiency, and efficient cooling is necessary. This study uses a porous nanochannels device to regulate the temperature of a PV panel and achieves significant reduction in surface temperature, increased electrical power output. A numerical method is used to develop a universal curve for predicting PV cooling.
Article
Chemistry, Physical
Sajag Poudel, An Zou, Shalabh C. Maroo
Summary: This study integrates disjoining pressure into continuum simulations and investigates the transpiration process in a 100 m tall tree using these simulations. The findings demonstrate that disjoining pressure can generate high negative pressure in nanopores and sustain high evaporation fluxes.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Physical
Manish Gupta, Shalabh C. Maroo
Summary: Bubble nucleation in liquid confined in nanochannel is studied using molecular dynamics simulations and compared against nucleation in the liquid over smooth surfaces (i.e. without confinement). Liquid structuring is found to play a significant role in altering thermodynamic properties and delaying bubble formation.
MOLECULAR SIMULATION
(2022)
Article
Engineering, Environmental
Durgesh Ranjan, An Zou, Shalabh C. Maroo
Summary: A durable superhydrophobic surface is created by plasma treatment, silicon oil infusion-depletion, and carbon coating from candle soot. The surface demonstrates potential real-world applications with stable performance even after undergoing various tests and being submerged in water for 30 days.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Durgesh Ranjan, An Zou, Shalabh C. Maroo
Summary: The vapor generation rate in nano/microstructured-based interfacial vapor generation devices is improved using porous nanochannel wicks. This approach allows for high vapor generation rates in a dark environment and at low temperatures, making it suitable for different energy sources such as solar energy and waste heat.
CELL REPORTS PHYSICAL SCIENCE
(2022)
Proceedings Paper
Biophysics
Sajag Poudel, Durgesh Ranjan, An Zou, Shalabh C. Maroo
Summary: In this study, the thermal management using nanochannels device integrated on the back face of a photovoltaic (PV) panel was investigated for cooling and enhancing the power output. The research found that with spray cooling, the power output of the PV panel using nanochannels device can be significantly increased.
PROCEEDINGS OF THE ASME 2021 HEAT TRANSFER SUMMER CONFERENCE (HT2021)
(2021)
