Changyu Liu

Qilu University of Technology

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Lidong Du

Chinese Academy of Sciences

Fanglin Geng

Aerospace Information Research Institute

Yicheng Yao

Chinese Academy of Sciences

Zhongrui Bai

Shanghai Jiao Tong University

Xianxiang Chen

Aerospace Information Research Institute

Xiangjun Zou

South China Agricultural University

Wei Cai

Chinese Academy of Medical Sciences & Peking Union Medical College

Zhen Fang

University of Chinese Academy of Sciences

Baoshi Han

Chinese PLA General Hospital

Hong-Je Ryoo

Chung-Ang University

Cooperative Institutions

Chinese Academy of Sciences

University of Chinese Academy of Sciences

Aerospace Information Research Institute

Chinese Academy of Medical Sciences & Peking Union Medical College

State Key Laboratory of Transducer Technology

University of Science and Technology of China

Tianjin University

Northeast Petroleum University

Northeast Agricultural University

Tsinghua University

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mmSignature: Semi-supervised human identification system based on millimeter wave radar

Engineering Applications of Artificial Intelligence (2023)

Yicheng Yao Hao Zhang Pan Xia Changyu Liu Fanglin Geng

Identification

Sensor Fusion

Data set

10.1016/j.engappai.2023.106939

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Citations (6)

Synthesis of High-temperature-resistance of Phenolic Resin for Friction Material

Changyu Liu

High temperature-resistance phenolic resin was synthesized starting from phenol,formaldehyde boric acid and oxalic acid was added as catalyst. In the traditional phenolic resin system,boron was added to improve high-temperature-resistance of phenolic resin. The results showed that the addition of boron significantly improved high-temperature-resistance of phenolic resin,the mechanical properties of the original system and process performance remained unchanged. Compared with other similar products,brake pads made with our product had better performance.

Boric acid

Oxalic Acid

Phenol formaldehyde resin

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Optical characteristics and formation mechanism of haze events in Qingdao, a coastal city in China

Applied Optics (2025)

Xuebin Ma Nana Liu Changyu Liu Hanjiu Zhang Kaixuan Yang

Haze

10.1364/ao.544810

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Evaluation of methane production and energy conversion from corn stalk using furfural wastewater pretreatment for whole slurry anaerobic co-digestion

Bioresource Technology (2019)

Zhi Wang Qiushuang Cheng Zhiyuan Liu Jingbo Qu Xiaodong Chu

Stalk

Biogas

10.1016/j.biortech.2019.121962

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Citations (62)

Design and Implementation of a Lightweight Electronic Village System Based on REST Web Service

International Journal of Future Generation Communication and Networking (2017)

Binfeng Li Jianguo Chen Changyu Liu Yilong Li

Electronic village system is becoming increasingly essential because of the significance of helping rural informatization and narrowing digital divide between rural area and urban area.However, traditional electronic village systems cannot meet the demand of rural area nowadays.This paper proposes a well flexible, scalable and maintainable lightweight electronic village system that is adequate for practical use based on REST web service.The proposed system not only satisfies the functional requirements of publics in rural area, but also has good architectural characteristics and adaptability to rapid changing informatization demand, compared with other electronic village systems.Moreover, the proposed system is able to allow systems of higher-level government to access service by CORS, and it supports multiple types of clients, including PC and mobiles.The electronic village system will come into use in Minxing Village located in Guangzhou City soon.

Rest (music)

10.14257/ijfgcn.2017.10.1.14

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STUDY ON MODEL OF TEMPERATURE AND PRESSURE DISTRIBUTION IN CO2 WELL BORE FLOW INCLUDING THE FLUID PHASE CHANGE

Drilling & Production Technology (2009)

Changyu Liu Moe Key

The CO2 phase change between liquid and gas in well bore flow has significant effects on temperature and pressure distribution in well bore.The flow of CO2 in the phase change section belongs to the two-phase flow.At present,the commonly methods did not take into account the calculation of the two-phase flow in the gas-liquid mixture section.Based on the theories of heat transfer and two-phase flow,a new pressure-temperature coupling calculation model was developed in this paper.The overall heat transfer coefficient was modified by considering the effect of boiling heat transfer and condensation heat transfer.The main innovation is that the model can calculate values of the temperature and pressure distribution and the dynamic changes of the gas-liquid component content in the gas-liquid mixture section during the process of the CO2 phase change.The pressure,temperature and dryness fraction of Well H75-29-7,Jilin Oilfield,were calculated using the new model.Comparisons of field testing data and computed data of pressure and temperature in Well H75-29-7 indicate that the new method is of high accuracy.

Source

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Airplane Unit Combat Model Based on Multi-Agent

Changyu Liu

The development of airplane unit combat simulation system is a complicated project.The action among all elements isn't easy to be depicted and quantitatively analyzed.The condition of battlefield also becomes more complicated,everything can't be predictable and reoccurrencable.According to the current situation of airplane unit combat simulation and the Multi-agent technology in computer,this paper presents the airplane unit combat simulation model for analyzing and designing the complicated system based on Multi-agent,and points out its advantage.Meanwhile,this paper also utilizes the Swarm ways and introduces the primary realizing ways of airplane unit combat simulation model based on the Multi – agent,according to Multi-agent merits.

Airplane

Battlefield

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On the laminar two-dimensional wake of an incompressible pseudoplastic fluid

Journal of Hydronautics (1977)

Changyu Liu

Shear thinning

10.2514/3.48152

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Citations (1)

Detecting total toxicity in water using a mediated biosensor system with flow injection

Chemosphere (2015)

Daming Yong Changyu Liu Chengzhou Zhu Dengbin Yu Ling Liu

Ferrocyanide

Ferricyanide

10.1016/j.chemosphere.2015.05.031

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Citations (10)

A Hybrid Simulation System for Juicing and Filling Production Line

International Journal of Smart Home (2014)

Changyu Liu Bin Lu Cong Li

As one kind of high quantity standardized commodities, the fruit juice product is an essential part to our daily life and overall economy. Therefore, it is necessary and important to design an efficient juicing and filling production line. According to deficiencies of traditional design methods, we propose a new design method by introducing virtual design technologies to develop a hybrid simulation system for juicing and filling production line, based on modeling software SolidWorks, virtual reality software EON Studio and application development software C++ Builder. We also describe our design method from aspects of process design and layout design, scene modeling, model import and route configuration, and interactive simulation control. Besides, we compare our design method with one traditional design method. Results show that our method can not only shorten effectively the design period but also improve greatly the design quality of the juicing and filling production line.

Production line

Line (geometry)

10.14257/ijsh.2014.8.6.15

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Citations (2)