AUTOMOTIVE ENGINEERING LAB 1 (MEC 2610) LABORATORY MANUAL SEPTEMBER 2011 MEC 2610 1 Table of Contents Software Module 1. Excel 2. Matlab Thermal Science Module Experiment 1: Thermal and Electrical Conductivity of Metals. Experiment 2: Heat Pump. Experiment 3: Heat Insulation/ Heat Conduction. Experiment 4: Stirling Engine. Experiment 5: Solar Ray Collector. Metallographic Module Experiment 1: Study and Operation of the Metallurgical/Optical Microscope and study of the Microstructures of Standard
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Unit 004: Understand how to apply scientific principles within mechanical services engineering Glossary of terms Term Explanation Alloy A metal made up of a combination of two or more materials. Atmospheric pressure The weight of air creates a pressure on the Earth’s surface and the pressure exerted by the weight of air pressing down on the ground below will vary depending on the ground’s height above sea level. Boiling When a liquid vaporises. Capillary action When water is drawn
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change in the system. The temperature of boiling water is 212 degrees‚ as is the temperature of steam. boiling water and steam cannot get any hotter than that unless you increase the pressure. So the temperature of each is the same at the same atmospheric pressure. The key difference is this: to get water at 212 degrees to turn to steam at 212 degrees you must add a lot more energy. Thus steam contains much more energy than water at the same temperature‚ which is why steam burns are so much worse
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THERMOELECTRIC POWERED CAR 1. AIM OF THE PROJECT This concept behind the project is thermoelectric generation that has been known from sometime‚ but the practical implementation of this concept is quite difficult. The idea behind this project is to make a Car that is powered by thermoelectric source‚ i.e. to build a car that moves with temperature difference. This concept has not been explored earlier but a lot of research can be done in this regard. We will be presenting a practically running
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11 Using Energy © 2010 Pearson Education‚ Inc. Slide 1 © 2010 Pearson Education‚ Inc. Slide 2 © 2010 Pearson Education‚ Inc. Slide 3 © 2010 Pearson Education‚ Inc. Slide 4 Reading Quiz 1. A machine uses 1000 J of electric energy to raise a heavy mass‚ increasing its potential energy by 300 J. What is the efficiency of this process? A. B. C. D. E. 100% 85% 70% 35% 30% © 2010 Pearson Education‚ Inc. Slide 5 Reading Quiz 2. When the temperature of an ideal
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instrument used in meteorology to measure atmospheric pressure. Pressure tendency can forecast short term changes in the weather.mercury barometer has a glass tube with a height of at least 84 cm‚ closed at one end‚ with an open mercury-filled reservoir at the base. The weight of the mercury creates a vacuum in the top of the tube. Mercury in the tube adjusts until the weight of the mercury column balances the atmospheric force exerted on the reservoir. High atmospheric pressure places more force on the
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Thermodynamics I Spring 1432/1433H (2011/2012H) Saturday‚ Wednesday 8:00am 10:00am & Monday 8:00am - 9:00am MEP 261 Class ZA Dr. Walid A. Aissa Associate Professor‚ Mech. Engg. Dept. Faculty of Engineering at Rabigh‚ KAU‚ KSA Chapter #10 December XX‚ 2011 Announcements: Dr. Walid’s e-mail and Office Hours walid_aniss@yahoo.com Office hours for Thermo 01 will be every Sunday and Tuesday from 9:00 – 12:00 am in Dr. Walid’s office (Room 5-213). Text book: Thermodynamics An Engineering Approach
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The latent heat gain is the energy required to condense the water vapor given off by human respiration and perspiration. The latent heat gain is the product of the mass of water vapor from humans and the enthalpy of evaporation for water vapor at atmospheric pressure. Person Qtotal Qsensible Qlatent Avg. person‚ at rest 350 [Btu/hr] 210 [Btu/hr] 140 [Btu/hr] 100 W 60 W 40 W Avg. person‚ light work 640 [Btu/hr] 315 [Btu/hr] 325 [Btu/hr] 185 W 90 W 95 W Avg. person‚ heavy work 1600 [Btu/hr]
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OBJECTIVE To determine the change of standard Gibbs free energy for the decomposition of sodium hydrogen carbonate (NaHCO3) from the change of standard enthalpy and the change of standard entropy. THEORY Free energy is a state function that expresses the spontaneity of a chemical process in term of enthalpy and entropy change of a system under conditions of constant temperature and volume (Hemholtz free energy) and constant temperature and pressure (Gibbs free energy). It is a quantity of non-pressure-and-volume
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Experiment 16: Heat conduction Introduction In this laboratory you will study heat flow across a temperature gradient. By comparing the temperature difference across one material to the temperature difference across a second material of known thermal conductivity‚ when both are conducting heat at a steady rate‚ you will be able to calculate the thermal conductivity of the first material. You will then compare the experimental value of the calculated thermal conductivity to the known value for that
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