Longdi Chen Professor
LD Cheng:Ph D in Engineering,Prof. of Textile Science & Technology,Ph D Supervisor,Deputy Director of The Key Lab of Textile Science & Technology Ministry of Education。Hold appointments:The Industry Evaluation Judging Panel of National 863 Projects;The Committee Member of Cotton Textiles of CTES;The Technological Committee Member of Cotton Textile & Knitting Industry Association of CNTAC;The Technological Committee Member of CTPIC;The Technological Committee Member of TGCC;editorial board of《Textile Standard & Quality》《Handbook of Cotton Spinning》;The Judging Panel of The Projects of Enterprise Innovation Fund、Technology Conversion、Technology Hatching Base of STCSM;The Technology Consultant of ZJCTA;Deputy Director of Donghua University of CNDCA
Main Directions
- Study the Fine Processing Technology in Natural Fibers;
- Study the Spinning Technology & their Key Components;
- Develop the Newly Textile Products;
- Research the Key Machinery & Components for Textile Engineering;
- Research the Textiles Detection Technique & Devices。
Main Projects
- The Key Project of Seventh Five Plan of National Plan Committee “Industry Project of 10,000 Spindles Test of Cotton Spinning”
- The Newly Product Development Project of Eighth Five Plan of CTIM “Development of Blowing & Carding technology and their Machinery”
- The Scientific Research for Tackling of Ninth Five Plan of National MOST “Study the Finer Polyester Processing Technology & their Products Blended with Ramie Fiber”
- The Tenth Five Technological Innovation Project of State Economic and Trade Commission “Optimization the Structure of Worst yarn(Compact Spinning)”、“Develop the Machine for Detecting the Foreign Matter in Cotton Fiber”
- The Tenth Five Technological Tackling Project of MOST “Study the Newly Dying & Finishing and Textile Technology in Soy-bean Fiber”
- The Project of National Ministry of Commence “Ethiopia National Textile Strategic Planning”
- The Tenth Five Technological Tackling Project of STCSM “Study of the safety protectionclothing for patrol police”、“Develop the Fabrics public service system and their Application”
- The Eleventh Five Technological Supporting Project of MOST “The Key Technology of Textile Process of Bamboo Pulp Fiber”、“The Key Technology of Textile Process of Jute Fiber”
- Projects of China Textile and Apparel Press《Handbook of Cotton Spinning》(3rd Edition)、《Encyclopedia Dictionary of Textile》
- Project of NSFC “Theoretical Study of Air Jet Spinning of Nonlinear Gyro Rotation Flow based on Fluid Simulation”
More then 30 National and Ministry Projects,etc.
Main Periodical Thesis
- Blending Fineness Ratio of Fibers for Spinning Fine Denier Fibers, Journal of China Textile University, 2000,1
- Turbulent Flow Action of Pulp in Wet-laid Non Woven Processes, Journal of China Textile University,2000,3
- Optimization of spinning technique of Solospun,Textile Science and Research (in Chinese),2002,1
- Properties of Ceramic Fiber and Ceramic Shot in Wet-laid Processes, Journal of Donghua University,2002,3
- Ceramic Wet-laid Non woven and Its Composite,Journal of Donghua University,2002,4;
- A Preliminary Exploration of Compact Spinning with Pneumatic Groove,Shanghai Textile Technology (in Chinese),2004,2;
- Relation Between Twist Amplitude and Breaking Strength of Solospun Yarns, Textile Research Journal, 74(4);
- Moisture Absorption & Moisture Conductivity of Functional Polymer Fiber and Its Products, Cotton Textile Technology, 2004/1;
- Relationship Between Hairiness and the Twisting Principles of Solospun and Ring Spun Yarns,Textile Research Journal,September 2004;
- Yarn Regularity Tester Combined Capacitor with CCD,83rd Textile-Institute World Conference, May 23-27, 2004, Shanghai, P.R.China;
- Study on the Physical Performance of Richcel, Cotton Textile Technology, 2005/1;
- Intelligent Diagnosis System Based on Evenness Device,Textile Standard and Quality (in Chinese),2005/4;
- Simulation of fluid velocity field in Compact Spinning Technology,Journal of Qingdao University (in Chinese),2005/12;
- Intelligent Specialist Analysis System in Evenness Device,Textile Leader (in Chinese),2006/1;
- Microwave Technology used in Modern Textile Industry,Textile Leader (in Chinese),2006,4;
- Research the technology of knitting Yarn Setting Using Electromagnetic Wave,Textile Standard and Quality (in Chinese),2006,2;
- Study the Principle and Analysis of Waxing Device on winding process,Journal of Textile,2007,1;
- Research the Method for Detection the Yarn Moisture Regain in Fixed length with NMR,Textile Standard and Quality (in Chinese),2007,2;
- Study the Principle and Structure of Air Jet Vortex Spinning Yarn,Shanghai Textile Technology (in Chinese),2007,7;
- Simulation study of three dimensional flow field inside the nozzle block of jet-vortex spinning, ALTEX’2007 Global Networking on Textile Innovation and Exchange, Roubaix, France;
- Study the Method for Detection the Twist of Air Jet Vortex Spinning Yarn,Textile Standard and Quality (in Chinese),2007,5;
- Study on the Structure and Properties of Polynosic Treated by Alcali,Journal of Donghua University,2007,3;
- Optimization the Air Jet Vortex Spinning Technology,Shanghai Textile Technology (in Chinese),2007,11;
- Study the Relationship between the Properties and Structures of Air Jet Vortex Spinning Yarn,Textile Standard and Quality (in Chinese),2007,6;
- Numerical Study of 3-D Fluid Field Inside the Nozzle in Air Jet Vortex Spinning,Journal of Textile (in Chinese),2008,2. (29)2;
- Study the Designing Principle and its Production of Parallel Plied Yarn,Textile Standard and Quality (in Chinese),2008,1;
- Numerical Calculation the Influence of the technology and Fluid Field in Air Jet Vortex Spinning,Journal of Textile (in Chinese),2008,4;
- Prediction the Yarn Quality Based on Support Vector Machine,Journal of Textile (in Chinese),2008,4;
- Evaluation the Influence Action between Rotating Fluid & Twist Strength in Air Jet Vortex Spinning,Journal of Textile (in Chinese),2008,5;
- Relation mechanism of Vortex spun yarn,Melliand International,2008,5(No.2);
- Study on the Principle of thinner in Air Jet Vortex Spinning Yarn,Journal of Textile (in Chinese),2008,7;
- Analysis the Principle of Stress Relaxation of Air Jet Vortex Spinning Yarn in Natural Colored Cotton,Journal of Textile (in Chinese),2008,8;
- Study the Space Trajectory of fiber in Air Jet Vortex Spinning,Journal of Textile (in Chinese),2008,10;
- Influence of Process Parameters on Airflow Field inside the Nozzle Block of Murata Vortex Spinning,1st International Symposium of Textile Bioengineering and Informatics,Hong Kong, PEOPLES R CHINA, AUG 14-16, 2008;
- A Study of the Twisted Strength of the Whirled Airflow in Murata Vortex Spinning,Textile Research Journal, January. 2008,78(8);
- A Study of Generating Yarn Thin Places of Murata Vortex Spinning, Textile Research Journal, January. 2009,79 (1);
- Develop the Diagnosis and Detection of Roller Vibration Based on VI,Shanghai Textile Technology (in Chinese),2009,2.
More Then 140 periodical thesis have been published in which more than 20 have been embodied by SCI、EI、ISTP.
Main Patents
- An apparatus for compact spinning in ring spun(Patent Number:ZL00135183.4);
- An apparatus for drafted fiber stand divided in ring spun(Patent Number:ZL00265488.1);
- An roller compacting device used in ring spun(Patent Number:ZL02200281.2);
- An compound twister used in air jet vortex spun(Patent Number:ZL02112467.1);
- An apparatus for fiber strand condensing with pneumatic groove(Patent Number:ZL02112468.X);
- An apparatus for fiber strand condensing with perforated leather apron(Patent Number:ZL03116466.8);
- A kind of method for the yarn composed with multi fibers and its system(Patent Number:ZL03129518.5);
- A kind of new method detecting fabric wet permeability and its system(Patent Number:ZL200310109508.7);
- A newly fluid uniform diffuser(Patent Number:ZL200410017777.5);
- A kind of new apparatus detecting the count and wet permeability of the yarn composed with multi fibers(Patent Number:ZL200410084667.0);
- A special mechanical vertical twister for filament uniform detecting(Patent Number:ZL200510026113.X);
- An apparatus for changing the properties of the yarn(Patent Number:ZL200510029610.5);
- A twist apparatus for plied yarn in winding process and its method(Patent Number:ZL200610025830.5);
More than 40 patents have been applied in which more than 25 have been authorized.
International Exchange
Visited CSIRO,Australia in 2000
Research Project of the Ethiopia in 2002
Visited Republic of Korea in 2003
Office: 5025
Tel: +86-021-67792689
Email: ldch@dhu.edu.cn