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Physics Coursework

Aerodynamic & propulsion
The airfoils blow the air ahead and stators decelerate it, thus increasing the pressure with successive sections. There are usually two separate parts of a compressor: the low pressure and the high pressure compressor. This division is necessary because as the pressure increases, the speed of rotating airfoils has to increase. To maintain the air mass flow rate which depends both on the speed of flow and pressure, compressor section is enclosed in a nozzle with a decreasing cross
Pages: 6 (1500 words), Coursework
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Gas turbine science
Intake is primarily responsible for channeling the air from the atmosphere to the fan of the engine at a high pressure (Gordon). In addition to having an aerodynamically efficient front profile, its shape has to be appropriate for required air mass flow required by the engine as well as for required fluid velocity translation to a lesser magnitude. Air enters the inlet at a high speed and is slightly slowed down to assist the fan in increasing the pressure. This also increases the pressure and
Pages: 6 (1500 words), Coursework
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N/A
The north and south glaciers are said to be the remnants of this great glacier. The dark stripes on the glacier get their color due to interaction with morainal rubble. These dark stripes indicate that the glacier had come in contact with a moraine while flowing through. This could be because of an advance of the glacier or the accidental fall of any substance from the valley wall which later mixed with the water formed from the melting ice and eventually took the form of moraines. The sides
Pages: 9 (2250 words), Coursework
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Gas Turbine Engine Basics
During the intake phase, the pressure, temperature and volume of the gases remain constant.The compressor is an arrangement of blades on a rotating disk, whose main function is to force air to flow into the engine as it reduces its volume and increases its pressure. Torque is required to change the momentum of the working fluid, forcing it to follow the curved surface of the blades. The work required to drive the compressor comes from the engine itself, by means of a shaft connecting the
Pages: 8 (2000 words), Coursework
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Aircraft fuel system
The FADEC engine management has taken over all steady state and transient control intelligence replacing most of the hydro-mechanical and pneumatic elements of the supervisory engine control system (Maclsaac and Langton 70). The capability of the digital computer to process a large number of parameters is fully utilized by the FADEC system. The FADEC engine management system provides engine system regulation and scheduling for thrust control in addition to optimizing of engine operation. FADEC
Pages: 7 (1750 words), Coursework
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1- Experiment M1,Elastic behaviour of materials. 2- Experiment C1, Broad-Crested weir
This is because the graph does not indicate any deviation from the linear trend. The slope of the graph does not, however, correspond to the theoretical value for Young’s modulus. The deviation can be attributed to a number of factors that include inaccurate estimation of the number of coils of the spring used and lack of precise specification of the units of the loads applied. The lack of specification of units would imply varying units of the Young’s constant between the theoretical value
Pages: 4 (1000 words), Coursework
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1- Geared systems and gearboxes experiment 2-Experiment M3 3- Properties of materials experiment
The important specification of the parameters of the gears includes the number of the gears teeth (z), the circular pitch diameter of the gear (d), and the module (m). The module, m, can, therefore, be given by the following equation; m= d/z, d is the path diameter which could transmit equal motion as that of the actual gear by a pure rolling. The gear ratio or the torque ratio can also be termed as the mechanical advantage. For a basic gear train that has two gears, input gear drives output
Pages: 6 (1500 words), Coursework
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Aircraft electrical power generation and distribution
The oil flow is between 34 and 53 liters. Drain oil from the generator and sump is supplied through a scavenge filter to an external oil cooler by three pumps , which are driven by the accessory drive gear on the differential gear These pumps are generator scavenge pump, sump scavenge and inversion scavenge pump. The accessory drive gear also drives the de-aerator and charge pump. The return oil from the cooler passes the de-aerator and it goes back to the charge pump.The TRU as the name
Pages: 8 (2000 words), Coursework
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Aircraft Electrical Power Generation & Distribution
Known as constant speed drive, the integrated drive generator (IDG) is an electromechanical device, which is installed to each unit of the engine and is used to regulate the generator speed. It can be mounted in two ways that is co-axially or side by side. In the engine, the input shaft is connected to the gearbox and the output shaft connected to the generator. The IDG relies on the variable ratio drive which employs a series of differential gears and hydraulic pumps. Using the clutch, the
Pages: 7 (1750 words), Coursework
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Aircraft electrical power generation and distribution
When in operation, the GCU examines and continuously the generator system. To achieve this several protective functions are built into the GCU including;The drive ensures that the generator only operates at a given rpm, irrespective of the engine rpm and generator load. The brushless AC generator produces the desired power. When the input shaft rpm increases or decreases the output frequency varies respectively. This variation is detected by the GCU. The GCU relays an electrical signal to a
Pages: 8 (2000 words), Coursework
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Recycling, Reducing, and Reusing
The process of recycling may also involve subjecting the scraps into a manufacturing process chain to come up with new products. For plastics that have to undergo through a manufacturing process it usually necessary for them to be subjected to several processes for preparation purposes.The first process involves collecting and sorting out the plastic waste. The collected plastics are grouped according to their properties. Scraps that are relatively denser are grouped together whereas those that
Pages: 5 (1250 words), Coursework
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Circuits with Feedback and Sine Wave Oscillators
However, this confusion comes about because feedback could be used for either motivational or informational reasons and contains both the quantitative and the qualitative components. Qualitative feedback explains how bad, good or indifferent, whereas quantitative explains how many or otherwise how much. The negative and positive feedback reduces and increases the amplifier’s gain.In negative feedback the current or voltage feedback is applied in order to reduce the input amplifier. This is
Pages: 15 (3750 words), Coursework
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Circuits with Feedback and Sine Wave Oscillators
Order for it to limit the amount of feedback signal, as well as in ensuring that the majority of an output signal is connects to the next stage via C3.As widely cited, the common-emitter configuration is one of the most common configurations for the transistor amplifiers (Maas 34). However, a positive feedback seems to be somehow more difficult with the common emitter configuration since in most cases, the output and input signals are often 180º out of phase (Maas 46).Negative feedback, on the
Pages: 10 (2500 words), Coursework
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Physics 21
Thus, the instantaneous current becomes zero. For an instantaneous voltage, that is at peak whenever the instantaneous amount is at peak whenever the instantaneous voltage is at maximum. A voltage wave that is -90 out of phase with the current wave found.For a purely inductance circuit, the voltage and waveforms are not in phase. An inductance opposes change in current due to back emf effect. When a voltage flows, current rises to reach a peak value after certain duration. For an inductance
Pages: 6 (1500 words), Coursework
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Physics (Electron Physics and X-ray Tomography)
Line spectra will generally be sharp and distinct positioned at a particular wavelength whereas a continuum will be spread over a wider area of varying wavelengths.Current that passes through the tungsten filament causes the release of copious amounts of electrons . tungsten has a high melting point and is electron rich therefore very suitable as a filament material. The cathode structure focuses the electrons into a beam that is accelerated by a potential diffenceat anode of thousands of
Pages: 7 (1750 words), Coursework
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Module 1: Combustion Theory
This mineral is found deep in the strata of the earth’s crust and it is composed of a number of hydrocarbons which include: paraffins, cycloparaffins,olefins and aromatics.Petroleum cannot be used in its raw form but it undergoes fractional distillation in a distillation column and different fuels are obtained at different temperatures depending on their combustion characteristics.Natural gas is found deep in the crust of the earth where it is formed. It is mostly associated with petroleum
Pages: 20 (5000 words), Coursework
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Physics report ( project )
The numbers of pennies available for subsequent tosses reduce gradually providing us with an exponential decay pattern which is common in radioactivity (Attix 1997, Pg.Tossing a coin is considered a good hands-on model because of its simplicity and convenience. In addition the apparatus needed are few, easily available and simulation does not require a lot of time. The half-life of the tossing pennies experiment refers to the average number of trials required for each half of the remaining
Pages: 4 (1000 words), Coursework
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Organisms from the Treasures of BC Coast
The red anemone has a confusing look and behavior. The organism appears like multiple cylinders filled with filaments like those of a flower. These filament-like ribbons strike from the cylinders and protrude outside. The confusing part when observing this organism is that it appears like a plant or a stagnant entity while on the other hand, it appears to grab small organisms from its immediate environment with the filament-like ribbons.The red anemone’s adaptation features include the
Pages: 5 (1250 words), Coursework
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Physics report
The instruments and material used in this study included an A size carbon battery of zinc, high resistance resistor(750W), battery holder, low resistance resistor (4W), ammeter, voltmeter, milliammeter, connecting wires, and switch.The experiment was set up as shown in diagram 1. The battery was not placed into its holder at that moment, and the switch was kept open. Carbon zinc battery will be placed in the holder. Current will be allowed to go through the resistor (750W). The reading was
Pages: 4 (1000 words), Coursework
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Physics Homework
In addition, the ultimate white light can initiate and moderate chemistry, biology and condensed matter processes. In this case, the author credits the new discovery as a turnaround in light packet physics.Accordingly, Robert R. Alfano describes the qualities of the ultimate white light that makes it a perfect replacement for the current white light used in optic technology. In this case, it takes many forms and as such, it can take focused spots, brief flashes, broad continuous beams,
Pages: 6 (1500 words), Coursework
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