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Description of Individual Course UnitsCourse Unit Code | Course Unit Title | Type of Course Unit | Year of Study | Semester | Number of ECTS Credits | ZGMS4152016959 | PHYSICAL PROPERTIES OF FOOD COMPOUNDS | Elective | 4 | 7 | 4 |
| Level of Course Unit | First Cycle | Objectives of the Course | The aim of the course is to provide a fundamental understanding of the physical properties of foods, to explain the importance of physical properties in food industry and teach the measurement methods and to provide information about analytical tools needed to analyze experimental data to generate practical information | Name of Lecturer(s) | | Learning Outcomes | 1 | Knows the basic definitions and principles of physical properties | 2 | Integrate and apply basic knowledge of fundamental engineering principles, thermodynamics and food science to evaluate physical properties of food materials. | 3 | Demonstrate the ability to apply theoretical concepts to practical problem solving |
| Mode of Delivery | Formal Education | Prerequisites and co-requisities | None | Recommended Optional Programme Components | None | Course Contents | Measurement of physical attributes of food materials such as size, shape, volume,, density, porosity and shrinkage, particle size distribution, Introduction to rheology, stress and strain, solid behavior, Newton’s law of viscosity, viscous fluids, plastic fluids, time dependency, measurement of rheological properties for fluids: capillary flow viscometers, rotational viscometers, falling ball viscometers and other types of viscometers, viscoelasticity, transient tests and oscillatory tests for viscoelasticity, mechanical models: Maxwell model, Kelvin-Voigt model, Burger model, texture of foods, dough testing instruments. Characterization of food materials with regard to their thermal and electrical properties. Importance of water activity and sorption properties of food materials. Colloidal food systems and functionality of food components as emulsifiers, stabilizers, texturizers, gelling and foaming agents. | Weekly Detailed Course Contents | |
1 | Physical attributes: size, shape, particle size distribution,volume, density, porosity, shrinkage | | | 2 | Physical attributes: size, shape, particle size distribution,volume, density, porosity, shrinkage | | | 3 | Introduction to rheology: stress and strain, solid behavior, flow of materials: Newton’s law of viscosity, Newtonian flow, non Newtonian flow, time dependency | | | 4 | Measurement of rheological properties for fluids, capillary flow viscometers, falling ball viscometers rotational viscometers | | | 5 | Viscoelasticity. Transient tests for viscoelasticity: stress relaxation test, creep test. Mechanical models: elastic model, viscous model | | | 6 | Combination models: Maxwell model, Kelvin-Voigt model, Burger model, oscillatory testing | | | 7 | Texture of foods, dough testing instruments | | | 8 | Midterm exam | | | 9 | Thermal properties of foods | | | 10 | Thermal properties of foods | | | 11 | Electromagnetic properties: color, dielectric properties of foods | | | 12 | Water activity and sorpsion properties of food materials | | | 13 | Water activity and sorpsion properties of food materials | | | 14 | Surface properties of foods | | | 15 | Student presentations | | | 16 | Final exam | | |
| Recommended or Required Reading | Şahin S., Şumnu S.G., 2006. Physical Properties of Foods. Springer, New York, USA
Steffe J.F., 1992. Rheological Methods in Food Processing Engineering.Freeman Press, East Lansing, MI, USA | Planned Learning Activities and Teaching Methods | | Assessment Methods and Criteria | |
SUM | 0 | |
SUM | 0 | Yarıyıl (Yıl) İçi Etkinlikleri | 40 | Yarıyıl (Yıl) Sonu Etkinlikleri | 60 | SUM | 100 |
| Language of Instruction | | Work Placement(s) | None |
| Workload Calculation | |
Midterm Examination | 1 | 2 | 2 | Final Examination | 1 | 2 | 2 | Attending Lectures | 14 | 3 | 42 | Self Study | 14 | 2 | 28 | Individual Study for Homework Problems | 14 | 2 | 28 | Individual Study for Mid term Examination | 1 | 5 | 5 | Individual Study for Final Examination | 1 | 5 | 5 | |
Contribution of Learning Outcomes to Programme Outcomes | LO1 | 4 | | 4 | 5 | | | 5 | | | | | | | | | LO2 | 5 | 5 | 5 | 5 | | | 3 | | | | | | | | | LO3 | 5 | 5 | 5 | 4 | | | | | 5 | | 5 | | 4 | 3 | |
| * Contribution Level : 1 Very low 2 Low 3 Medium 4 High 5 Very High |
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