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378 results on '"Wang, Yi-Bo"'

6. Genome assembly of autotetraploid Actinidia arguta highlights adaptive evolution and enables dissection of important economic traits

Author

Lu, Xue-Mei, Yu, Xiao-Fen, Li, Guo-Qiang, Qu, Ming-Hao, Wang, Huan, Liu, Chuang, Man, Yu-Ping, Jiang, Xiao-Han, Li, Mu-Zi, Wang, Jian, Chen, Qi-Qi, Lei, Rui, Zhao, Cheng-Cheng, Zhou, Yun-Qiu, Jiang, Zheng-Wang, Li, Zuo-Zhou, Zheng, Shang, Dong, Chang, Wang, Bai-Lin, Sun, Yan-Xiang, Zhang, Hui-Qin, Li, Jie-Wei, Mo, Quan-Hui, Zhang, Ying, Lou, Xin, Peng, Hai-Xu, Yi, Ya-Ting, Wang, He-Xin, Zhang, Xiu-Jun, Wang, Yi-Bo, Wang, Dan, Li, Li, Zhang, Qiong, Wang, Wen-Xia, Liu, Yongbo, Gao, Lei, Wu, Jin-Hu, and Wang, Yan-Chang

Published
2024
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15. Preclinical characterization of danatinib as a novel FLT3 inhibitor with excellent efficacy against resistant acute myeloid leukemia

Author

Sun, Shan-Liang, Wu, Jia-Zhen, Wang, Jing-Jing, Zhou, Hai, Zhang, Chen-Qian, Tong, Zhen-Jiang, Wang, Yi-Bo, Sha, Jiu-Kai, Wang, Qing-Xin, Liu, Jia-Chuan, Zheng, Xin-Rui, Li, Qing-Qing, Zhang, Meng-Yuan, Yang, Jin, Wei, Tian-Hua, Wang, Zi-Xuan, Yu, Yan-Cheng, Ding, Ning, Leng, Xue-Jiao, Xue, Xin, Li, He-Min, Dai, Wei-Chen, Yin, Xiao-Ying, Yang, Ye, Duan, Jin-Ao, Li, Nian-Guang, and Shi, Zhi-Hao

Published
2023
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29. Synthesis and biological evaluation of 4-(4-aminophenyl)-6-methylisoxazolo[3,4-b] pyridin-3-amine covalent inhibitors as potential agents for the treatment of acute myeloid leukemia

Author

Kang, Ji-Bo, Chen, Lu, Leng, Xue-Jiao, Wang, Jing-Jing, Cheng, Yang, Wu, Shi-Han, Ma, Yi-Yuan, Yang, Li-Jin, Cao, Yu-Hao, Yang, Xiao, Tong, Zhen-Jiang, Wu, Jia-Zhen, Wang, Yi-Bo, Zhou, Hai, Liu, Jia-Chuan, Ding, Ning, Dai, Wei-Chen, Yu, Yan-Cheng, Xue, Xin, Sun, Shan-Liang, Dai, Xiao-Bin, Chang, Liang, Wang, Xiao-Long, Li, Nian-Guang, and Shi, Zhi-Hao

Published
2022
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38. Coalescence-induced jumping of nanodroplets on mixed-wettability superhydrophobic surfaces

Author

Xie, Fang-Fang, Wang, Dan-Qi, Wang, Yi-Bo, Yang, Yan-Ru, and Wang, Xiao-Dong

Subjects
Molecules -- Models, Hydrophobicity -- Models, Hydrodynamics -- Models, Hydrofoil boats -- Hydrodynamics, Physics
Abstract

Coalescence-induced droplet jumping on superhydrophobic surfaces has been observed at microscale and even nanoscale. The enhancement in jumping velocity of coalescing droplets is crucial for condensation heat transfer enhancement, antiicing, self-cleaning, and so forth. However, the research on how to acquire a higher jumping velocity is really very limited. In this paper, we use molecular dynamics simulations to study the coalescence-induced jumping of two equally sized nanodroplets on chemically heterogeneous surfaces composed of alternating stripes with different hydrophobicity. We show that the jumping velocity is closely related to the stripe width and wettability contrast, and it can even exceed that on an ideal superhydrophobic surface with 180 [degrees] contact angle when the striped surfaces are properly designed. We also demonstrate that there is always an optimal stripe width yielding the maximum jumping velocity, whereas its value is independent of the wettability contrast. We reveal that the dominant factor to determine the jumping velocity is the apparent contact angle of equilibrated droplets over heterogeneous surfaces for small stripe widths; it changes to the time of liquid bridges impacting surfaces for moderate stripe widths and to the contact area between equilibrated droplets and relatively hydrophobic stripes for large stripe widths. We believe the present simulations can provide useful guidance to design self-jumping superhydrophobic surfaces. Key words: mixed-wettability, superhydrophobic surfaces, coalescence, jumping velocity, molecular dynamics simulations. Les sauts de gouttelettes induits par coalescence sur une surface super-hydrophobe s'observent aux echelles micro et nano. L'accroissement de la vitesse de saut des gouttelettes se fusionnant est cruciale pour l'augmentation du transfert de chaleur par condensation, pour l'antigivrage, l'auto-nettoyage, etc. Cependant, il n'y a que tres peu de recherche sur le moyen d'augmenter la vitesse de saut. Nous utilisons ici des simulations de dynamique moleculaire pour etudier le sautillement, induit par leur fusion, de deux nano-gouttelettes de meme grosseur sur des surfaces chimiquement heterogenes composees de bandes alternees de differente hydrophobicite. Nous montrons que la vitesse de saut est etroitement reliee a la largeur de ces bandes et du contraste de mouillabilite et qu'elle peut meme exceder celle sur une surface superhydrophobe continue ideale avec un angle de surface de 180 [degrees], a condition que les surfaces striees soient concues de facon appropriees. Nous annoncons aussi qu'il y a une largeur de bande optimale produisant une vitesse de saut maximale, et que sa valeur est independante du contraste de mouillabilite. Nous revelons que, sur les surfaces heterogenes avec des bandes de petites largeurs, le facteur dominant pour determiner la vitesse de saut est l'angle de contact apparent des gouttelettes en equilibre, mais pour des bandes de largeur moyenne, ce facteur dominant devient le temps du pont liquide impactant la surface, alors que pour des bandes de grande largeur, il devient la surface de contact entre les gouttelettes equilibrees et les bandes relativement hydrophobes. Nous croyons que les resultats de ces simulations fourniront des guides utiles dans la conception des surfaces super-hydrophobes auto-sautillantes. [Traduit par la Redaction] Mots-cles : mouillabilite mixte, super-hydrophobe, coalescence/fusion, vitesse de saut, simulations de dynamique moleculaire., 1. Introduction Coalescence-induced droplet jumping on superhydrophobic surfaces was first discovered by Boreyko and Chen in 2009 [1]. Over the past decade, this phenomenon has received more and more attention [...]

Published
2021
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49. Impact of a nanodroplet on liquid surfaces.

Author

Wang, Yi-Bo, Wang, Yi-Feng, Wang, Shao-Yu, Zhang, Ben-Xi, Yang, Yan-Ru, and Wang, Xiao-Dong

Subjects
*LIQUID films, *LIQUID surfaces, *HYDROPHOBIC surfaces, *HYDROPHILIC surfaces, *MOLECULAR dynamics, *INTERMOLECULAR forces
Abstract

The present study investigates impact of nanodroplets on liquid films with varied film thicknesses over hydrophilic to hydrophobic surfaces via molecular dynamics simulations. A new crown pattern, hollow crown, is observed on medium liquid films for nanodroplets, whereas it is not reported for millimeter-sized droplets. Holes (or hollows) are attributed to capillary vibration of a nanometer-thick liquid film. The occurrence of holes is inhibited effectively for deep liquid films because the cavity thickness is much larger than the amplitude of capillary vibration. Surface wettability has a significant influence on thin and medium liquid films for nanodroplets, whereas it only affects thin liquid films for macrodroplets because the range of solid–liquid intermolecular forces is comparable to the size of droplets when the size of droplets reduces to the nanoscale. Subsequently, the accuracies of the existing macroscale models for predicting the time-dependent crown radius of nanodroplets are tested by simulated results. The results show that the macroscale models cannot capture the time-dependent crown radius of nanodroplets. On the basis of energetics analysis, we prove that the failure of macroscale models is attributed to the distinct difference in viscous dissipation mechanisms between macroscale and nanoscale droplets. [ABSTRACT FROM AUTHOR]

Published
2024
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50. Performance evaluation and enhancement of turbulent flow and convective heat transfer characteristics for turbine blade internal cooling.

Author

Zhang, Ben-Xi, Wang, Li-Qian, Lu, Wei, Xu, Jiang-Hai, Wang, Yi-Bo, Yang, Yan-Ru, and Wang, Xiao-Dong

Subjects
HEAT transfer in turbulent flow, TURBINE blades, NUSSELT number, COOLING, KINETIC energy, JET impingement
Abstract

For turbine blade internal cooling, the performance of turbulent flow and convective heat transfer in the cooling channel is numerically investigated via the computational fluid dynamics method, where the cooling channel adopts the combination of transverse rib arrangements and round-edged rib configurations or the combination of oblique rib arrangements and round-edged rib configurations. Under these two combination conditions, the simulation result shows that in the wide Reynolds number range of Re = 20 000–80 000, the heat transfer enhancement and the flow loss reduction, such as the larger normalized Nusselt number of Nu/Nu0 and smaller normalized friction factor of f/f0, are simultaneously realized by the oblique rather than transverse rib arrangement. In the oblique rib channel, the relationship between turbulent flow and convective heat transfer is for the first time revealed by the relationship between secondary vortices and turbulent kinetic energies. Based on the relation between secondary vortices and turbulent kinetic energies, the overall performance of turbulent flow and convective heat transfer for the oblique rib channel is first optimized by various normalized rib height, e/Dh, and rib spacing, p/e, and then evaluated by both overall performance factors of OPT1 and OPT2. Both OPT1 and OPT2 are larger at e/Dh = 0.062 and p/e = 15.00 in the wide range of e/Dh = 0.047–0.101 and p/e = 10.00–15.00. As a result of the comprehensive evaluation of OPT1 and OPT2, the combination of e/Dh = 0.062 and p/e = 15.00 is eventually employed by the oblique rib channel. [ABSTRACT FROM AUTHOR]

Published
2024
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