COMPUTATIONAL FLUID DYNAMICS (MKM411) Dr. M. Sharifpur mohsen.sharifpur@up.ac.za April 2nd Department of Mechanical and Aeronautical Engineering University of Pretoria 2013 Test 1 Perusal Friday April 5th 12:00 to 14:00 CFD Training Courses The schedule is already posted on clickUP (find your group in the clickUP) ANSYS-FLUENT (Group1) FLoEFD ANSYS-FLUENT (Group2) STAR CCM+ (Group 1) STAR CCM+ (Group 2) April 3rd 9:00-17:00 April 10th 9:00-17:00 April 11th 8:00-10:15 and then 11:30
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Sun light vs articical light One of the main benefits of artificial light is that you can control how many hours of light per day your plants receive. This way‚ those living in northern or southern latitudes can provide their plants with light for growth and development even when the sun sets early‚ in essence tricking the plants into believing that it is summertime and that they should continue to grow rather than become dormant or‚ in the case of annuals‚ die. In addition‚ your plants will receive
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rawness‚" even though he does not remember what it was like to have a pulse. The story of R shows that no matter how bad the situation‚ people can change. R always knew he was different. It was only when he was eating the brains of a man named Perry Kelvin that he remembered the beauty life had to offer. It was at this moment when R saw memories of Perry’s girlfriend‚ Julie. After experiencing the love that Perry felt for Julie R knew he had to protect her. He hid Julie in an airport and kept her safe
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Introduction Molecules are constantly in motion due to thermal energy. Therefore‚ the molecules will move around and bump into each other. Because of this‚ molecules tend to spread out evenly into available space in a process called diffusion. Diffusion is the random process of molecules moving from areas of high concentration to low concentration‚ thus requiring no energy. Many of the substances that enter or leave the cell do so through diffusion. Osmosis‚ a type of diffusion‚ is the movement
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According to R. James Seffrin‚ a director for the Definitive Internet Resource for Infrared Thermography‚ Seffrin explains that all objects emit infrared radiation as long as the object is above absolute zero (Kelvins). The cameras that can see and distinguish temperature are called‚ “thermal imagers.” These imagers convert the perceived radiation into scaled colors relative to its temperature and create a different color per area. The basis to how these camera
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that some of the heat released or absorbed in the reaction will be absorbed by the calorimeter itself. This amount must be determined experimentally and is referred to as the heat capacity of the calorimeter. This means the amount of heat required to raise the temperature 1 kelvin. The heat capacity of the calorimeter can be determined by using the following equation: ΔH =− ΔT (heat capacity of calorimeter + heat capacity of contents) Procedure: A. Heat Capacity of Calorimeter Construct a calorimeter by nesting two Styrofoam cups together
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non-integer 2 Base Quantities Name Length Time Mass Electric current Thermodynamic Temperature Amount of substance Luminous intensity Symbol for quantity l t m I T n IV Symbol for dimension L T M I Θ N J SI base unit meter second kilogram ampere kelvin mole candela 3 SI Base Units: Second: The second (s) is the duration of 9‚192‚631‚770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium 133 atom. Meter: The meter (m)
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molecules start moving slower and if all energy is removed from the molecules then the system that the molecules exist in will have zero energy. When matter has zero kinetic energy means that the matter has a temperature of absolute zero‚ or zero kelvin. It is impossible for anything to be colder then absolute zero because molecules cannot have negative speed or velocity. To make an assessment of the kinetic energy of a system is to find the average kinetic energy of a
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Reference Guide & Formula Sheet for Physics #20 Page 1 of 8 Components of a Vector if V = 34 m/sec ∠48° then Vi = 34 m/sec•(cos 48°); and VJ = 34 m/sec•(sin 48°) #4 Weight = m•g g = 9.81m/sec² near the surface of the Earth = 9.795 m/sec² in Fort Worth‚ TX Density = mass / volume #21 Heating a Solid‚ Liquid or Gas Q = m•c•∆T (no phase changes!) Q = the heat added c = specific heat. ∆T = temperature change‚ K Linear Momentum momentum = p = m•v = mass • velocity momentum is conserved
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Milk: Physico-Chemical Properties Booklet No. 277 Dairy Management & Milk Products: DMMPS - 7 Contents Preface I. Introduction II. Physical Properties 1. Taste and odour 2. Colour 3. Specific gravity 4. Boiling point 5. Freezing point 6. Refractive index 7. Electrical conductivity 8. Specific gravity 9. Co-efficient of thermal expansion 10. Thermal conductivity 11. Viscosity 12. Surface
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