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  Course Description
Course Name : Mechanical properties of biological materials

Course Code : TM-605

Course Type : Optional

Level of Course : First Cycle

Year of Study : 1

Course Semester : Fall (16 Weeks)

ECTS : 6

Name of Lecturer(s) : Assoc.Prof.Dr. KUBİLAY KAZIMVURSAVUŞ

Learning Outcomes of the Course : Knows biological-technical properties of agricultural materials
Knows mechanical properties of biological materials.
Investigates the behaviour of biological materials under static loading
Knows Hertz and Elasticity theory and Uses them in application.

Mode of Delivery : Face-to-Face

Prerequisites and Co-Prerequisites : None

Recommended Optional Programme Components : None

Aim(s) of Course : To determine the factors influencing the variation of biological materials under the static load effects, to investigate the variation of mechanical properties in the storage, packaging and other post-harvest technology and to find out the effects of mechanical properties of biological materials on design criteria of related machines.

Course Contents : Behavior of biological materials under the quasi-static loads, definition related to mechanical properties, factors influencing the mechanical properties, determining the design parameters and mechanical properties required for post-harvest technology, Hertz contact theory, Elasticity theory, visco-elasticty, and biotechnical behavior of materials, mechanical properties of cushioning materials used in the harvest and post-harvest technology, definition of friction, static and dynamic coefficient of friction

Language of Instruction : Turkish

Work Place : Class, Laboratory


  Course Outline /Schedule (Weekly) Planned Learning Activities
Week Subject Student's Preliminary Work Learning Activities and Teaching Methods
1 General information related to lesson, introduction to technical properties of biological materials Use the related chapters in given references Use the related chapters in given references and power point presentations
2 Physical properties of biological materials (shape and dimensional properties) Use the related chapters in given references Use the related chapters in given references and power point presentations
3 Sorting and grading according to dimensional, shape, aerodynamic, surfacei mechanical resistance and elastic properties Use the related chapters in given references Use the related chapters in given references and power point presentations
4 Calculation of volume, density, surface area, specific gravity and porosity, and their measurement methods Use the related chapters in given references Use the related chapters in given references
5 Definition related to mechanical properties, investigaton of ideal elastic, ideal plastic and ideal viscos behaviours Use the related chapters in given references Use the related chapters in given references
6 Definition of Rheology, Model equations used in the reological models (Maxwell, Kelvin and Burgers models) Use the related chapters in given references Use the related chapters in given references
7 Mid-term exam Use the related chapters in given references Written exam
8 Investigation of behaviour of biological materials under quasi-static loading Use the related chapters in given references Use the related chapters in given references and power point presentations
9 Investigation of force-deformation behaviour of materials under different static load applications such as compression, tensile and bending Use the related chapters in given references Use the related chapters in given references and power point presentations
10 Hertz problem of contact stres, its measurement and equations, Boussinesq problem of die loading Use the related chapters in given references Use the related chapters in given references and power point presentations
11 Investigation of behaviour of biological materials under dynamic loading, effect of impact and energy models under impact conditions Use the related chapters in given references Use the related chapters in given references and power point presentations
12 Transportation of biological materials and its effects on materials (Vibration Effects) Use the related chapters in given references Use the related chapters in given references
13 The laws of friction, measurement methods of static and dynamic friction, factors influencing friction in biological materials Use the related chapters in given references Use the related chapters in given references
14 Impact mechanic and energy balance in cushioning (padding) materials, measurement of energy absorbing capacity of cushioning materials Use the related chapters in given references Use the related chapters in given references and power point presentations
15 General knowledge related to agricultural applicitaions of techincal properties of biological materials Use the related chapters in given references Use the related chapters in given references
16/17 Final exam Use the related chapters in given references Written exam


  Required Course Resources
Resource Type Resource Name
Recommended Course Material(s)  Mohsenin, N.N. 1978. Physical properties of plant and animal materials. Gordon and Breach Science Publishers, New York. Sitkei, G. 1986. Mechanics of agricultural materials. Akademiai Kiado, Budapest.
Required Course Material(s)


  Assessment Methods and Assessment Criteria
Semester/Year Assessments Number Contribution Percentage
    Mid-term Exams (Written, Oral, etc.) 1 60
    Homeworks/Projects/Others 4 40
Total 100
Rate of Semester/Year Assessments to Success 40
 
Final Assessments 100
Rate of Final Assessments to Success 60
Total 100

  Contribution of the Course to Key Learning Outcomes
# Key Learning Outcome Contribution*
1 Bachelor´s degree enables graduates to expand and deepen their knowledge, access knowledge through scientific research, information, evaluation, interpretation, and application 3
2 To be able to enhance knowledge by using limited or incomplete data, and be able to put this knowledge to good use scientifically, ethically and responsibly. 0
3 To be able to transfer, orally or in written form, the findings and processes of their work to the related groups or other people systematically and clearly 3
4 To be able to come up with solutions to problems by working independently, put the solutions into actual use and make oral and written presentations 0
5 To be able to devise new strategic approaches in unanticipated complex situations and be able to think up solutions by taking reponsibility 0
6 To be able to assess the strategic performance of workgroups and contribute to them 0
7 To have computer software and hardware knowledge required by the profession and develop competence in information and communication technologies 0
8 To be qualified in data collection, interpretation and announcement phases in their fields in a scientific and ethical manner; to preserve, learn and check the data as required 0
9 To attain full oral and written competence, both in the mother tongue and in a foregin language, to help those working in and out of their field of speciality 4
10 To understand the impact of engineering solutions in a global and societal context and gain the ability to correctly interpret it 3
11 To conrtibute to the process of becoming an information society by making known social and cultural imrprovements in an academic and professional context 2
12 To be able to strategically take the lead in solving original and interdisciplinary problems 0
* Contribution levels are between 0 (not) and 5 (maximum).

  Student Workload - ECTS
Works Number Time (Hour) Total Workload (Hour)
Course Related Works
    Class Time (Exam weeks are excluded) 14 3 42
    Out of Class Study (Preliminary Work, Practice) 14 4 56
Assesment Related Works
    Homeworks, Projects, Others 4 10 40
    Mid-term Exams (Written, Oral, etc.) 1 3 3
    Final Exam 1 3 3
Total Workload: 144
Total Workload / 25 (h): 5.76
ECTS Credit: 6