Article
Mechanics
Marzieh Ghoohestani, Sasan Rezaee, Ebrahim Kadivar, Mohammad Amin Esmaeilbeig
Summary: In this study, the collapse mechanism of nanobubble under mirror and real wall protocols was investigated using molecular dynamics simulation. The reactive properties of the real wall during the collapse process were also analyzed. The study found that the collapse dynamics of the nanobubble were similar under both mirror and real wall protocols. However, the nanobubble collapsed earlier when an aluminum (Al) slab was used as a real wall. Additionally, the surface roughness of the Al slab increased under the real wall protocol due to chemical reactions between Al and water, while the mirror wall remained roughness-free.
Article
Computer Science, Interdisciplinary Applications
Guillaume Sahut, Giovanni Ghigliotti, Guillaume Balarac, Manuel Bernard, Vincent Moureau, Philippe Marty
Summary: The numerical method presented in this study simulates multiphase flows with phase change on unstructured grids, extending previous work by Tanguy et al. to improve accuracy using a new framework for differential operators. The mass transfer rate at the interface is computed based on liquid and vapor heat fluxes and latent heat, and is used to solve Navier-Stokes equations and Level Set function advection equation to model interface movement due to phase change. The method is validated through simulations of a growing bubble with fixed and computed mass transfer rates, showing convergence with grid refinement.
JOURNAL OF COMPUTATIONAL PHYSICS
(2021)
Article
Engineering, Multidisciplinary
Zeeshan Ahmad Khan, Naseem Ahmad, Mariyam Sattar, Mohd Anul Haq, Ilyas Khan, Abdul Hamid Ganie
Summary: This study proposes an algorithm for accurately simulating bubble growth and addresses the issue of interface deformation in the Volume of Fluid (VOF) interface tracking method. The proposed method is validated through comparisons with theoretical and experimental results, showing good predictive accuracy and parameter consistency. Additionally, the simulation provides insights into temperature and velocity fields that cannot be directly obtained through experiments.
ALEXANDRIA ENGINEERING JOURNAL
(2022)
Article
Thermodynamics
Il Woong Park, In Yeop Kang, Hyun Jin Yong
Summary: This study classified bubbles in two-phase flow and revealed the relationship between periodic bubble behavior and flow instability, providing an important theoretical basis for improving the application of flow boiling systems.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2021)
Article
Thermodynamics
Thanh-Hoang Phan, Van-Tu Nguyen, Trong-Nguyen Duy, Dong-Hyun Kim, Warn-Gyu Park
Summary: This study explores the effects of phase-change on the dynamics of cavitation bubbles over multiple cycles. A two-phase homogeneous mixture model combined with an interface-capturing method was used to simulate the bubble dynamics, taking into account compressibility, heat transfer, condensation, and evaporation.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2022)
Article
Thermodynamics
Siyu Qin, Yijia Liu, Changming Yang, Liwen Jin, Chun Yang, Xiangzhao Meng
Summary: A confined flat thermosyphon consisting of an evaporator, condenser, and customized chamber was developed in this study. Bubble behaviors were investigated and the effects of space height, heating power, and liquid filling ratio on thermal characteristics were studied.
Article
Thermodynamics
Liril D. Silvi, Dinesh K. Chandraker, Sumana Ghosh, Arup K. Das
Summary: The present study aims to simulate the flow boiling of saturated liquid over a horizontal heated circular cylinder under vertical flow condition in order to understand the interfacial dynamics involved. Different liquid velocities and heat fluxes are considered to cover the buoyancy and inertia-dominated mixed regimes. The cross-flow situation around isolated and vertically arranged in-line cylinders is modeled using Volume-of-Fluid (VOF) based interface capturing technique and Tanasawa's phase change model. The results show that the interfacial instability and heat transfer mechanisms vary with cross-flow rate and cylinder position.
APPLIED THERMAL ENGINEERING
(2023)
Article
Acoustics
Ki Joo Pahk, Sunho Lee, Pierre Gelat, Matheus Oliveira de Andrade, Nader Saffari
Summary: Boiling histotripsy is a technique that utilizes high intensity short pulses at the HIFU focus to induce tissue fractionation, involving the formation of a boiling vapor bubble and cavitation clouds. Formation of a cavitation cloud in boiling histotripsy depends primarily on the size and location of the boiling bubble, as well as the sum of incident and scattered fields.
ULTRASONICS SONOCHEMISTRY
(2021)
Article
Acoustics
Hossein Haghi, Michael C. Kolios
Summary: This study examines the effect of bubble-bubble interactions on the resonance frequency of MB suspensions. It is found that primary delays cause spreading the resonance frequency of identical MBs within a range, where the closest MB to the acoustic source exhibits the lowest resonance frequency and the furthest MB resonates at the highest frequency. The inclusion of secondary delays also significantly affects the resonance frequency, resulting in an increase when the MBs are situated close to each other.
ULTRASONICS SONOCHEMISTRY
(2022)
Article
Multidisciplinary Sciences
Yaning Liu, Haihang Ye, HoangDinh Huynh, Chen Xie, Peiyuan Kang, Jeffrey S. Kahn, Zhenpeng Qin
Summary: DIAMOND enables rapid and specific detection of respiratory syncytial virus with single-step and single-nanoparticle detection, direct sensing of intact viruses at room temperature, and no complex liquid handling.
NATURE COMMUNICATIONS
(2022)
Article
Engineering, Environmental
Sangbin Lee, Hassan Anwer, Jae Woo Park
Summary: Nanobubble and ultrasonic cavitation were used to enhance oxidation reactions of ozonation, with nanobubbles increasing ozone dissolution by a factor of 16 and ultrasonic cavitation generating hydrogen peroxide. The process achieved significant improvements in both the loss of emitted ozone and radical recombination, demonstrated by the decomposition of rhodamine B. The combination of nanobubble and ultrasonic cavitation sustained oxidizing power by continuous dissolution of ozone and successive radical generation.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Mechanics
Hailiang Cao, Qianlong Zuo, Qi An, Ziyang Zhang, Hongbei Liu, Dongwei Zhang
Summary: Based on the one-component multiphase lattice Boltzmann method, a novel solid-liquid conjugate boiling heat transfer pseudo-potential lattice Boltzmann (LB) model is tentatively proposed in this paper. The model successfully predicts different energy transfer rates in solid, liquid, and vapor regions. The study analyzes the bubble detaching behavior and boiling heat transfer performance on a rectangular cavity structure, finding that the hydrophobic cavity surface can initiate bubble nucleation earlier, while the hydrophilic plane heating surface can restrict bubble expansion. Additionally, the study examines the relationship between bubble detaching period and surface contact angle, and the impact of mixed wettability surfaces on bubble detaching and boiling heat transfer.
Article
Thermodynamics
Wandong Zhao, Jianhan Liang, Mingbo Sun, Zhaotai Wang
Summary: In this study, a phase-change lattice Boltzmann model was used to simulate the nucleate boiling process in two computational domains with confined space and free outlet boundary. The model was validated and shown to be accurate and robust. The dynamic behaviors of nucleation, growth, coalescence, departure, and rupture were comprehensively investigated.
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
(2021)
Article
Chemistry, Physical
Joel Puibasset
Summary: The spontaneous formation of tiny bubbles in a liquid is crucial for understanding liquid-to-vapor transitions. These spatially correlated bubbles should be considered as one single density depression of the liquid, known as LDR, instead of multiple independent bubbles. This has significant implications for the characterization of bubble density, understanding the transition process, and molecular simulations.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Thermodynamics
Lei Tian, Yong-Xue Zhang, Jian-Yong Yin, Liang Lv, Jin-Ya Zhang, Jian-Jun Zhu
Summary: To gain a better understanding of the destructive mechanism caused by a near-wall cavitation bubble, the complete process of the bubble collapsing on the nearby wall with the presence of non-condensable gas was numerically investigated. The behavior of the bubble, propagation of shock waves, and types of liquid jets were found to be highly influenced by the stand-off distance. Quantitative analysis of the relationship between pressure impulse and stand-off distance revealed two peaks at the central point.
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
(2023)
Article
Mechanics
R. C. Hu, H. Xiong, W. L. Jin, W. Q. Zhu
INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS
(2016)
Article
Engineering, Mechanical
H. Xiong, W. Q. Zhu
PROBABILISTIC ENGINEERING MECHANICS
(2016)
Article
Chemistry, Multidisciplinary
Hong-bing Xiong, Cheng-yu Zhang, Kai Zhang, Xue-ming Shao
Article
Materials Science, Multidisciplinary
Hongbing Xiong, Weiqi Sun
Article
Thermodynamics
Lijuan Qian, Jianzhong Lin, Hongbing Xiong
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
(2011)
Article
Engineering, Mechanical
Lijuan Qian, Jianzhong Lin, Hongbing Xiong, Tat Leung Chan
JOURNAL OF FLUIDS ENGINEERING-TRANSACTIONS OF THE ASME
(2011)
Article
Mechanics
Hong-bing Xiong, Jian Zhu
JOURNAL OF HYDRODYNAMICS
(2010)
Article
Materials Science, Coatings & Films
Hong-Bing Xiong, Jian-Zhong Lin
JOURNAL OF THERMAL SPRAY TECHNOLOGY
(2009)
Article
Materials Science, Coatings & Films
Hong-Bing Xiong, Li-Juan Qian, Jian-Zhong Lin
JOURNAL OF THERMAL SPRAY TECHNOLOGY
(2012)
Article
Materials Science, Coatings & Films
Xue-ming Shao, Kai Zhang, Hong-bing Xiong
JOURNAL OF THERMAL SPRAY TECHNOLOGY
(2015)
Article
Acoustics
Hao Xiong, Weiqiu Zhu
JOURNAL OF VIBRATION AND CONTROL
(2015)
Article
Thermodynamics
Hong-bing Xiong, Cheng-yu Zhang, Zhao-sheng Yu
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2019)
Article
Engineering, Multidisciplinary
Kai Zhang, Hong-bing Xiong, Xue-ming Shao
JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A
(2016)
Article
Engineering, Multidisciplinary
Hong-bing Xiong, Wen-guang Yu, Da-wei Chen, Xue-ming Shao
JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A
(2011)