Higher National Certificate Mechanical Principles Assignment Two Carl Jones Table of Contents Question 1a) 5 Q1bi) 6 Q1bii) 7 Q1biii) 10 Q1ci) 11 Q1cii) 12 Question 2a) 13 Question 3a) 15 Question 3b) 15 Question 3c) 18 Question 4a) 19 Question 4bi) 19 Question 4bii) 20 Question 4ci) 21 Question 4cii) 21 Graph 21 Question 4ciii) 22 Question 4civ) 22 Question 4d) 23 Question 1a) Hoop Stress (circumferential stress) is simply the stress due to radial pressure. The circumferential
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DESIGN ANALYSIS A. Determination of the capacity of the Hopper The hopper is a truncated square pyramid which serves as the input unit‚ so it was designed to provide smooth supply of moringa leaves into the pulverizing chamber. Considering AMB‚ EMAM=h260+h 30160=h260+h h=60mm therefore the total height H=60+260=320mm. Volume of hopper=volume of large pyramid – volume of small pyramid Volume of pyramid=1/3[a2H- b2h] Where a=320mm‚ b=60mm Volume = 1/3[(3202x320)- (602)(60)] = 10850667mm3
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Hamilton Oil Company – the largest Canadian oil company The results of these tests were not yet reported‚ but they were rumoured to make the complete motor market incorporate some serious changes in the design of their motors in terms of starting torque‚ fluid-lifting requirements etc. and therefore‚ improve efficiency Dominion Motors and Controls‚ Ltd. (DMC)‚ had over 50% market share in the Canadian oil fields with a revenue of $323 million. The company’s points of difference were: 1. Product quality
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Engrineering Statics E-ASSIGNMENT No. 1 Submitted to: Muhammad Amir Gulnawaz Submitted by: Muhammad Suleman Rauf Roll no: 12–ME-49 1st Semester Mechanical Engineering What is engineering? Engineering is the application of scientific‚ economic‚ social‚ and practical knowledge‚ in order to design‚
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has because of its mass and motion. Angular momentum is possessed by rotating objects. Understanding torque is the first step to understanding angular momentum. Torque is the angular "version" of force. The units for torque are in Newton-meters. Torque is observed when a force is exerted on a rigid object pivoted about an axis and. This results in the object rotating around that axis. "The torque ? due to a force F about an origin is an inertial frame defined to be ? ? r x F"1 where r is the vector
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started with the simple suspension shown in Figure 2 of the original article which follows this foreword. There are two torques‚ gravitational and spring‚ in this system. The condition that will produce an infinite period is that the two torques balance each other exactly for any angle 0. Since the gravitational torque varies as sin 0‚ the spring torque must also. However‚ the spring torque is the product of two variables‚ the pull of the spring and the lever arm. Can we expresssin 8 as a product of two
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determine how the ring and the disk resist rotational movement. Afterward we will compare how the radius of the masses and the torque(force) applied relate to the angular acceleration. We will achieve a predictable force by using g=gravity=9.8 for this acceleration. Theory: In this experiment we will measure the inertia of a disk and a ring by dividing an applied torque by the resulting acceleration. I=. Then we will calculate the theoretical inertia using the moment of inertia equations for a
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Rotational Equilibrium - a body is in rotational equilibrium when no net torque acts on it. The sum of the torques is equal to zero. Conditions for Equilibrium The first condition of equilibrium: “For a body to be in equilibrium‚ the vector sum of all the forces acting on that body must be zero.” (ΣF = 0) The second condition of equilibrium: “For a body to be in rotational equilibrium‚ the sum of all the torques acting on that body must be zero.” (ΣΓ = 0)
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Motor Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Torque-Speed Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.2 Electromagnetic Equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Simulink Implementation of Induction Machine Model – A Modular Approach Burak Ozpineci1 Leon M. Tolbert1‚2 burak@ieee.org tolbert@utk.edu 1 2 Oak Ridge National Laboratory P.O. Box 2009 Oak Ridge‚ TN 37831-6472 Department of Electrical and Computer Engineering The University of Tennessee Knoxville‚ TN 37996-2100 parameters are accessible for control and verification purposes. Simulink induction machine model discussed in this paper has been featured in a recent graduate
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