Basic Theory of Mechanism and Machine Design

Release Time:2015-10-16Number of visits:13

Beijing University of Chemical Technology
  Basic Theory of Mechani** and Machine DesignSyllabus
 

Course Information
Course Code
MEE16400T
Course Name(in Chinese)
化工机械基础
Course Name(in English)
Basic Theory of Mechani** and Machine Design(2)
Course Category
Compulsory
Target Studendts
Basic Theory of Mechani** and Machine Design(2)
Term Avaiable
Spring and autumn
Total Credit Hours
48 hours (46 hours of theory courses, laboratory 2 hours)
Total Credits
3
PrerequisitesCourse Code):
Mechanical drawing (1), metalworking
 ParallelsCourse Code):
Chemical Engineering
Course Descriptions
The course is a basic course for non-machine specialty of chemical institutions. Course consists of two parts: basic part of the Engineering Mechanics, which introduces Mechanical Analysis and the object static equilibrium equations; calculation for the strength and stiffness of objects deformation. Fundamental part of chemical equipment design, which introduces the typical rotary shell stress ****ysis and design;
Textbooks Recommended
Zhaojun, Zhangyouchen, Duanchenghong. "Chemical Equipment Machine Design." Beijing: Chemical Industry Press, 2002
Supplementary Materials:
Dongdaiqin. "Chemical Equipment Machine Design." Beijing: Chemical Industry Press, 2002
Diaoyuwei, WangLiye. "Chemical Equipment Mechanical Design" (Third Edition). Dalian: Dalian University of Technology Press, 1997
 
Learning Goals and Objectives
1.Train students of rigorous, serious, realistic scientific attitude and meticulous work style, set a good style of study.
2.Improve students s ability of ****yzing and solving engineering problems with engineering point of view; get the exact design methods and procedures; know the correct expression of graphics design; get the ability of specified standards, specification and relative design Manual.
3.Train students using assumptions and scientific abstract methods to solve the engineering problems, simplified engineering problem solving skills, logical thinking ability.
4.Students use experimental methods to explore the mechanical properties of materials, awareness and basic ability.
 
Course Content and Requirments
1. Introduction (1 hours)
Studying objects, content and tasks; the property and propose of this course; learning methodology
2. Stress ****ysis and static objects balance equation (9 hours)
 
 
 
power shifting; simplified plane forces; plane force balance equation
3. Tension, compression and shear (6 hours)
The concept of axial tension and compression; axial tension and compression, internal forces (section method); tension and compression cross section of the normal stress; axial tension and compression deformation; tensile and compression mechanical properties; calculation of tensile and compressive strength; calculation of shear and extrusion.
4.Torsion  (4 hours)
Torsion concepts and examples; torsion calculation of the external forces and internal forces; pure shear; the stress of rotational shaft; ****yzing strength conditions of rotational shaft; shaft deformation and stiffness calculation of rotational shaft.
5. Straight beam bending (8 hours)
The concept of plane bending beam; types of beams; beam bending internal forces; diagram of shearing force and bending moment; the normal stress of beam bending at cross section; bending stress strength conditions; the shear stress of beam bending at cross section; cross-section shapes choice of beam; beam and the beam bending stiffness correction
6. Stress ****ysis of strength in combined deformation (4 hours)  
The concept of stress; plane stress ****ysis; strength theory; the strength calculation combined with deformation.
7. Fatigue (1 hours)
The concept of alternating stress; the concept of fatigue; endurance limitation; improve component fatigue strength;
8. The basis of an overview of pressure vessel design (1 hours)
Container structure and classification; basic requirements of vessel mechanical design; standardized design of containers; basic properties of metal materials uses on chemical equipment.
9. Design basis of sheet metal vessels (4 hours)
The geometric characteristics of the rotary shell; the stress ****ysis of rotating shell; the typical shell stress ****ysis; the concept of edge stress
10. Design of thin cylinder with internal pressure spherical shell (3 hours)
Overview; Strength calculation of internal pressure thin-walled cylinders and spherical shell; pressure testing of vessels.
11. Head within pressure vessel design (1 hours)
Convex head; pyramidal heads; head of the structural characteristics and choice
12. External Pressure Vessel Design (3 hours)
Overview; Critical pressure; external pressure vessel design methods and requirements; Design of external pressure shell and the convex head.
13. Vessels accessories (1 hours)
 
Assignment
Experimental teaching content and requirements (including the hours allocated)
Two hours for experiment. Experiments contents of the tensile and compression tests, the aim is to increase student intuitive understanding of metallurgy.
 
Evaluation Approaches
Weekly homework with total of about 70 questionsaccumulated.
Students will loss of eligibility to take the test with late or missing homework more than 10%.
 
Asses**ent System
Final exam is a closed book examination with 120 minutes.