Bo Yang

Institute of Acoustics

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i-10 index

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Min Zhu

Chinese Academy of Sciences

Wei Wang

Institute of Acoustics

Maodong Li

Shenzhen Bay Laboratory

Mingliang Xin

Guangzhou Special Pressure Equipment Testing and Research Institute

Shiping Li

Northeastern University

Wei Zhai

City University of Hong Kong

Xingang Jia

Xi'an Shiyou University

Yeyao Liu

Institute of Acoustics

Wen‐Zhen Wang

Xi'an Shiyou University

Tao Liang

Institute of Geographic Sciences and Natural Resources Research

Cooperative Institutions

Chinese Academy of Sciences

Institute of Acoustics

Guangzhou Special Pressure Equipment Testing and Research Institute

University of Chinese Academy of Sciences

Northwestern Polytechnical University

Shandong University

Xi'an Shiyou University

Beijing Institute of Technology

Qingdao National Laboratory for Marine Science and Technology

South China University of Technology

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Prediction of the Physical Properties for the Ionic Liquid Based on Topological Index

Chinese Journal of Structural Chemistry (2005)

Bo Yang

Topological index

Distance matrix

Matrix (chemical analysis)

Source

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Citations (1)

Predicting the melting point of imidazole-based ionic liquids using QSPR model based on SMILES optimal descriptors

IOP Conference Series Earth and Environmental Science (2021)

Wen‐Zhen Wang Bo Yang Xingang Jia

Recently, ionic liquids (ILs) are known as potential green materials with unique properties such as low vapor pressure, high thermal stability, and excellent solution ability of organic or inorganic materials. In this paper, the quantitative structure property relationship (QSPR) models of 111 common imidazole-based ionic liquids were established by using CORrelation and Logic (CORAL) software to predict the melting point of imidazole-based ionic liquids. The molecular structure of imidazole-based ionic liquids is represented by simplified molecular input line entry system (SMILES). The balance of correlations and the classic scheme were compared by building the models of QSPR based on the Mont Carlo method. SMILES descriptors were randomly divided into three data sets, and the results showed that the model of classic scheme was more reliable. The best correlation coefficient (R2) values for the validation sets of two models were 0.9512 and 0.9219, respectively. Their best internal validated correlation coefficient (Q2) values were 0.9414 and 0.8961, respectively.

Imidazole

Molecular descriptor

10.1088/1755-1315/859/1/012084

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Ion transfer modeling based on Nernst–Planck theory for saline water desalination during electrodialysis process

Asia-Pacific Journal of Chemical Engineering (2020)

Haitao Zhu Bo Yang Congjie Gao Yaqin Wu

Abstract Electrodialysis, an efficient and environmental friendly separation technology, plays a significant role in water treatment. In order to reveal ion transfer mechanism and predict electrodialysis behavior, a mathematical model for steady transport of a binary electrolyte during the desalination process was developed. The Nernst–Planck, electroneutrality equations, and other hydrodynamic equations were coupled and solved with appropriate boundary conditions using the finite element method. This model is capable to predict the local ion concentration, electric potential, and ion flux in a rectangular electrodialysis unit. The effects of voltage drop (0.4–1.0 V), inlet velocity (0.03–0.06 m/s), and initial feed concentration (500–700 mol/m 3 ) are investigated, which could provide valuable guidance for electrodialysis operation in the practical project. Moreover, this model is validated by comparing its simulation result with experimental data of electrodialysis, and it could predict the desalination of saline water accurately. Ion transfer modeling provides an effective way to study the transfer mechanism, estimate the effects of various parameters conveniently, and realize the target‐oriented operation optimization.

Reversed electrodialysis

Saline water

10.1002/apj.2410

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Citations (18)

Positioning sonars of JiaoLong human occupied vehicle: Basic principle and sea trial

OCEANS 2016 - Shanghai (2016)

Tongwei Zhang Zhongjun Ding Shengya Zhao Yeyao Liu Bo Yang

The sonar system of JiaoLong human occupied vehicle(HOV) consists of nine kinds, sixteen sonars for communication, navigation, positioning, and detection. There is a ultra-short baseline(USBL) and a long baseline(LBL) for positioning. USBL is used to localize JiaoLong. Through it, the mothership can get HOV position in real-time. By Acoustic Communication System, HOV can get its own position every 64 seconds to help pilot to drive. LBL is a significant supplement of USBL. In addition to USBL, LBL is needed because it can provide a more accurate and independent positioning platform. The advantages of LBL are high positioning accuracy and independent to ocean depth. However, the disadvantage is that it needs to deploy 3~4 beacons to form an array, and this will cost long time and much money. JiaoLong Test Applications Voyage 2013 and 2014-2015(JiaoLong-TAV2013, TAV2014-2015) both show that the positioning sonars can satisfy its demand, and it is advanced, reliable.

Beacon

Sea trial

Position (finance)

Baseline (sea)

10.1109/oceansap.2016.7485336

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Citations (1)

Modify Hitec molten salt and its properties tests by orthogonal experiment

Wei Zhai Bo Yang Maodong Li Shiping Li Mingliang Xin

In this paper, by orthogonal experiment to modify Hitec molten salt in order to look for the optimum formulation molten salt which has good thermal properties.After that the melting point, latent heat of phase transformation, specific heat capacity, density, and thermal stability of the modified Hitec molten salt was characterized.The results showed that compare to Hitec molten salt, the optimum formulation molten salt showed low melting point, proper latent heat of phase transformation, greater heat of fusion, wide using temperature range and other advantages.The optimum formulation molten salt had good thermal properties and thermal stability.It has good application prospect in the aspect of high temperature heat storage/transfer.

10.2991/iwmecs-15.2015.52

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Citations (2)

Study of quantitative structure-property relationship for density of ionic liquids based on Monte Carlo optimization

MATEC Web of Conferences (2022)

Xingang Jia Wen‐Zhen Wang Bo Yang Chunbao Du

Ionic liquids (ILs) have attracted increasing interests and applications due to its unique physiochemical properties. Density is a vital physical property of ILs. In this work, a comprehensive collection of density data is conducted on 184 variable ILs. The study of quantitative structure-property relationship (QSPR) is carried out for the selected density data of ILs using simplified molecular input line entry specification (SMILES) as the representation of the molecular structure of ILs by means of CORAL software. QSPR relationships were constructed with the balance of correlations (BC) and the classic scheme. Results from three random splits displayed desirable models for predicting the external test set with the correlation coefficient (R2) and cross validated correlation coefficient (Q2) in ranges of 0.8234–0.9770 and 0.7599–0.9745, respectively. The best predictions obtained by the balance of correlations along with the global SMILES descriptors are included in the modeling process. The average statistical characteristics of the external test set are the following: n =36, R2 =0.9770, Q2= 0.9745, standard error of estimation (s)=0.023, mean absolute error (MAE) =0.018 and Fischer F-ratio (F)=1443

Representation

10.1051/matecconf/202235801011

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The Acoustic System of the Fendouzhe HOV

Sensors (2021)

Yeyao Liu Jingfeng Xue Bo Yang Min Zhu Weizhen Guo

Due to the strong absorption and attenuation of electromagnetic waves by water, radio communications and global positioning systems are lacking in the deep-sea environment. Therefore, underwater long-distance communications, positioning, detection and other functions depend on acoustic technology. In order to realize the above functions, the acoustic system of the Fendouzhe human occupied vehicle (HOV) is composed of eight kinds of sonars and sensors, which is one of the core systems of manned submersible. Based on the Jiaolong/Shenhai Yongshi HOVs, the acoustic system of the Fendouzhe HOV has been developed. Compared with the previous technology, there are many technical improvements and innovations: 10,000-m underwater acoustic communication, 10,000-m underwater acoustic positioning, multi-beam forward-looking imaging sonar, an integrated navigation system, etc. This study introduces the structure of the acoustic system of the Fendouzhe HOV and the technical improvements compared with the Jiaolong/Shenhai Yongshi HOVs. The results of the acoustic system are illustrated by the 10,000-m sea trails in the Mariana Trench from October to December 2020.

Underwater acoustic communication

Acoustic attenuation

Optoacoustic imaging

10.3390/s21227478

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Citations (4)

Shipborne Underwater Acoustic Communication System and Sea Trials with Submersible Shenhai Yongshi

China Ocean Engineering (2018)

Yanbo Wu Min Zhu Tao Liang Wei Wang Bo Yang

The Shipborne acoustic communication system of the submersible Shenhai Yongshi works in vertical, horizontal and slant channels according to the relative positions. For ease of use, an array combined by a vertical-cone directional transducer and a horizontal-toroid one is installed on the mothership. Improved techniques are proposed to combat adverse channel conditions, such as frequency selectivity, non-stationary ship noise, and Doppler effects of the platform's nonlinear movement. For coherent modulation, a turbo-coded single-carrier scheme is used. In the receiver, the sparse decision-directed Normalized Least-Mean-Square soft equalizer automatically adjusts the tap pattern and weights according to the multipath structure, the two receivers' asymmetry, the signal's frequency selectivity and the noise's spectrum fluctuation. The use of turbo code in turbo equalization significantly suppresses the error floor and decreases the equalizer's iteration times, which is verified by both the extrinsic information transfer charts and bit-error-rate performance. For noncoherent modulation, a concatenated error correction scheme of nonbinary convolutional code and Hadamard code is adopted to utilize full frequency diversity. Robust and low-complexity synchronization techniques in the time and Doppler domains are proposed. Sea trials with the submersible to a maximum depth of over 4500 m show that the shipborne communication system performs robustly during the adverse conditions. From the ten-thousand communication records in the 28 dives in 2017, the failure rate of the coherent frames and that of the noncoherent packets are both below 10%, where both synchronization errors and decoding errors are taken into account.

Underwater acoustic communication

10.1007/s13344-018-0076-z

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Citations (11)

Natural convection mass transfer along a dissolution boundary layer in an isothermal binary metallic system

International Journal of Heat and Mass Transfer (1998)

S.W. Shiaha Bo Yang F. B. Cheung Shih-Cheng Hu

Sherwood number

Saturation (graph theory)

Isothermal process

Mass transfer coefficient

Conservation of mass

10.1016/s0017-9310(98)00096-9

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Citations (4)

Preparation of Multi nitrate molten salt and its properties tests

Wei Zhai Bo Yang Maodong Li Shiping Li Mingliang Xin

In this paper, by adding different additives in Solar Two molten salt in order to form multiple composite molten salts.And testing the thermal performance of mixture molten salt can be comparatively analysis of the modification effects of different additives.The melting point and latent heat of mixture molten salts were characterized by DSC.Through experimental and analysis results showed that additive-A can optimize the melting point and heat of fusion of molten salts, Additive-B and Additive-C have good effect only in melting point or melting heat unilaterally.By researching and improving performance of molten nitrate in order to promote the molten nitrate which play a more important role in thermal power generation and environmental protection.

10.2991/ism3e-15.2015.18

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Citations (4)