Synthetic Oil Has Four Main Purposes Engineering Essay

23 Mar 2015

4 (1,559 )

Graphite grease is used to lubricate in high temperature environments. Graphite can dissipate more heat than some other lubricants. For example, graphite grease can often handle more heat than natural bearing grease. Graphite grease is often used on linkages as it can stick to them and will not evaporate like oils do. This lubricates both surfaces and reduces the amount of energy needed to move them. Cutting ...

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Implement Synthesizable Square Root Algorithm On Fpga Engineering Essay

23 Mar 2015

5 (1,641 )

The main objective of this paper is to implement synthesizable square root algorithm on FPGA. As square root function is not synthesizable on Silicon, this paper proposes optimized non restoring square root algorithm for unsigned 8 bit number on ED2C20F484C7 device in Cyclone II family. This algorithm is implemented in gate level abstraction of Verilog HDL. The basic building block of the design is CSM (Controlled Subtract ...

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Ventilation With Heat Recovery System Problem Statement Engineering Essay

23 Mar 2015

10 (3,646 )

Architects don't know so much about ventilation systems and what to think about in the planning - but it's important to think about the ventilation and the demands for it already in the early stages of planning. Enough space for the ducts, the service room and equipment is required and has to be planed in outline phase. It is also important to know where the system will ...

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Reinforcement Concrete Flat Slab Engineering Essay

23 Mar 2015

8 (3,144 )

A flat slab is a slab (with or without drops) supported (generally without beams) by columns (with or without column heads). It is also defined as a reinforced concrete slab supported directly by concrete columns without the use of beams. Flat slabs are one of the most commonly used structural systems in residential buildings, hotels, hospitals and office buildings. Flat slabs are solid concrete slabs that transfer ...

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Transient Over Voltages Analysis In Power System Engineering Essay

23 Mar 2015

8 (3,122 )

Transient over-voltage is one of main causes for unscheduled interruption in power transmission and distribution systems including a smart grid. A surge over-voltage due to lightning and switching operation results in damages in an electrical power system and often leads to power outages. Predictive calculations of over-voltages generated by the lightning and the switching operation in the transmission and distribution systems are most essential for an economical ...

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Biomedical instrumentation and measurement

23 Mar 2015

18 (7,031 )

INTRODUCTION: SA node controls the rate of heart's muscular contractions which enables the heart to circulate the blood throughout the body according to the need. Small variations in the heart beat are not harmful but in some cases due to malfunctioning of the heart's electrical system, the heart rate varies drastically resulting in different types of arrhythmias. These cardiac arrhythmias are serious disorders which should be treated ...

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Control Of A Switched Reluctance Motor Engineering Essay

23 Mar 2015

13 (4,854 )

The main objective of this chapter is to spot the light on the practical performance of some form of control on an actual switched reluctance motor in preference to merely theoretical method including simulation and modelling. Moreover, the design of the controller involves reducing the noise. The crucial motivation for this is to enhance new expertise, sensibly regarding circuit design and construction the use of a Programmable ...

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History Of Materials In The Aviation Industry Engineering Essay

23 Mar 2015

5 (1,988 )

Aircraft materials have faced an overwhelming phase of change since the takeoff of the first designed aircraft to the skies. This has seen aircraft designers changing the design materials from merely wood and fibre in the early days to composite materials and aluminium alloys in modern day's aircrafts. Composite materials and aluminium alloys were introduced in the industry rapidly. Due to advancement in technology the use of ...

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Human Comfort And Thermal Comfort Engineering Essay

23 Mar 2015

11 (4,105 )

Abstract: The main purpose of the HVAC system is to achieve clean indoor air quality and human comfort (thermal comfort), there are many HVAC systems a designer or owner has the option to select based on the factors such as the type of the building, architecture, location, shape, surrounding climate, occupancy, envelop, level and frequency of activities, and the system operation schedule. In addition to the above ...

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Applications And Types Of Smart Materials Engineering Essay

23 Mar 2015

6 (2,300 )

Smart material are those that change in response to changing conditions in their surrounding or in the application of other directed influences such as passing an electric charge through them. Modern products increasingly use them, shirts that change color with changes in temperature. Smart materials are the materials that have one or more properties that can be significantly changed in a controlled style such as stress, temperature, ...

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Internal combustion engine different properties

23 Mar 2015

4 (1,553 )

Explain in detail, the differing operating cycles inherent in two unrelated i.c (internal combustion) engines An internal combustion engine differs in operation depending on which fuel it is being run of because petrol and diesel have different properties. Diesel And Its Properties Diesel is obtained from crude oil via 3 processes separation, upgrading and conversion The initial boiling point for diesel is around 125 degrees (c)and ...

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Comparison Of Mass Boom And Box Beam Wing Structure Engineering Essay

23 Mar 2015

4 (1,498 )

In mass boom wing structure there are flanges with one or two spares to bear the bending and the tortional load is carried by spar webs. The outer wing is only works against the buckling due to shear forces with help of the ribs and span wise stiffeners. Mass boom structure is mostly use on slow aircraft with thick wings and low wing loadings. Failure of spar ...

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Airline Industry Response To Natural Disasters Engineering Essay

23 Mar 2015

11 (4,372 )

Thinking about a natural disaster is never a pleasant memory or imagination. The disasters like tsunami bring frightening memory of all the events which took place when and after it striked the cities. Interestingly, it is a very strange fact that man has made some disasters for themselves, which would include nuclear disasters which were used at times in situations like wars. What lesson did we get ...

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A Review Of Absorption Refrigeration Technologies Engineering Essay

23 Mar 2015

14 (5,583 )

Most of industrial processes use a lot of thermal energy by burning fossil fuels to produce steam or heat for various needs in the industry. After the processes, heat is rejected to the surrounding as waste. This waste heat can be converted to useful refrigeration by using a heat operated refrigeration system, such as an absorption refrigeration cycle. Electricity purchased from utility companies for conventional vapor compression ...

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The Mechanical Engineering And Metal Engineering Essay

23 Mar 2015

14 (5,227 )

Metal fatigue is caused by repeated cycling of the load. It is a progressive localized damage due to fluctuating stresses and strains on the material. Metal fatigue cracks initiate and propagate in regions where the strain is most severe. This cyclic loading and crack initiation is represented using S-N curves. The Fig 1.1 consists of constant cyclic stress amplitude(S) which is applied to a specimen and the ...

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Petrochemical Industry Introduction To Chemical Engineering Assignment Engineering Essay

23 Mar 2015

12 (4,407 )

Introduction Petrochemical industry is being chosen as our main topic for the introduction to Chemical Engineering assignment. Petrochemical is the second level products being derived from crude oil after several refining processes. These chemicals are typically extracted during the refining process as crude oil and gas are distilled or cracked, and they can be utilized in a wide variety of ways. Petrochemical can be used to manufacture polyvinyl chloride ...

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Weather forecasting using support vector machines

23 Mar 2015

11 (4,339 )

Weather prediction is a technique of forecasting weather patterns for a future time in a particular location or area. Historically, various techniques were used to predict the weather, based on observation of environmental and meteorological elements such as clouds, sunlight and animal behaviour. These forecasts were not often very scientific or accurate. The motivation behind weather prediction was the desire for rulers of empires to plan wars ...

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The Fire Alarm System Engineering Essay

23 Mar 2015

8 (2,949 )

We are living in a time that safety and security became one of the necessary requirements in all areas of life, in the middle of technology revolution which aims to make life easier and more secure, technology has been earned by man in many fields of his life, and because of that and to make places where we live, work or even relax is more secure and ...

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Study On The Performance Analysis Of Centrifugal Blower Engineering Essay

23 Mar 2015

4 (1,391 )

The main aim of this interim report is to highlight the work done during semester A with the project on "Study on the Performance Analysis of Centrifugal Blower" as of 20th February 2009. This report contains the important information of querying on the web and books. A few important technical information (on the web) have been given, which could be improved on further research. The main concept ...

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Alternatives To The Instrument Landing Systems Engineering Essay

23 Mar 2015

7 (2,526 )

Pilots have been faced with horrors of not being able to safely carry out the whole flight envelope activities during unfavourable weather conditions. The solution was the idea of somehow aiding pilots with instruments that would help get the job done. The Instrument Landing System (ILS), being the first, did break the ice but its faults and restrictions paved way for alternatives like the MPL, JPAL, IGS ...

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Non Destructive Testing In The Aerospace Industry

23 Mar 2015

10 (3,821 )

Since several years, technology has been improved tremendously and is still in a need for advancement due to the increasing growth of demands. In today's economy structures must remain for operation for such longer period than originally anticipated. The ageing effect on these structures is becoming significant. Non-destructive testing (NDT) is a wide group of analysis techniques used in science and industry to evaluate the properties of a ...

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Design Of Baffle In Upflow Anaeorobic Engineering Essay

23 Mar 2015

12 (4,627 )

The Upflow Anaerobic Sludge Blanket process was developed by Lettinga in the Netherland during the early 1980s, as a relatively simple wastewater treatment system, in which no moving parts are present(Lettinga et al, 1980). It was first proposed for the treatment of high strength industrial waste, but soon research for its application also within domestic sewage treatment was initiated. The UASB reactor is now becoming a popular ...

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The History Of Tribology Engineering Essay

23 Mar 2015

12 (4,478 )

philosophical change is in progress in manufacturing. Today, engineers look for means of reducing environmental and energy losses in machines and in their frictional components. As a result, overcoming frictional forces accounts for 1.5 - 2% of power consumption in a modern jet engine, 9% of power consumption in a piston airplane engine, up to 40-45% in a new auto engine (from the world lending manufacturers), more ...

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Linear And Non Linear Voltage Divider Engineering Essay

23 Mar 2015

11 (4,023 )

The report describes an investigation of how linear and non-linear voltage divider type of circuit relies on the application of Ohm's law (1). The linear circuit was consisted of series resistors. Separating the total resistance of the circuit into two parts, the circuit functions as a voltage divider across which output voltages, and are taken. The report hence is also study the operation of a voltage divider ...

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Fundamental Types Of Distortion Engineering Essay

23 Mar 2015

6 (2,191 )

The high localised heating required in welding joint edges cause non-uniform stresses in the component and lead to expansion and contraction of the heated material. Initially, compressive stresses are created in the surrounding cold parent metal when the weld pool is formed due to the thermal expansion of the hot metal (heat affected zone) adjacent to the weld pool. However, tensile stresses occur on cooling when the ...

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The Rotor Dynamic Type Of Pumps Engineering Essay

23 Mar 2015

10 (3,706 )

Centrifugal pumps also called as the rotor dynamic type of pumps. Its pass on to the refrigerant by a high velocity impeller into the static pressure for the pumps by a pressure rise takes place from the continuous conversion of angular momentum. Not same as reciprocating pumps, centrifugal pumps are steady-flow devices hence they are having to low vibration and noise. Figure 2 shows the working principle ...

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The Electrostatic Energy Harvesting Engineering Essay

23 Mar 2015

5 (1,952 )

this paper presents a general idea of the electrostatic energy harvesting devices. Their working principle, harvesting method and basic designs will be expounded. And another two new approaches, 2D energy harvester and non-resonant energy harvester with rolling mass will be shown. The 2D energy harvester can harvest energy in arbitrary directions in a plane. And non-resonant energy harvester with rolling mass shows its low frequency capability. It ...

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Sulfonation of petroleum base oils

23 Mar 2015

7 (2,501 )

Sulfonation Of Petroleum Base Oils With Development Of The Emulsifiers Introduction: Sulfonation of Aromatic hydrocarbons , petroleum oil and vegetable oil has great importance in industry , in which useful surfactants material could be produced . Such surfactants could be used as detergent , emulsifying agent , softening agents , de emulsifying agents etc . The sulfonation of aromatic hydrocarbons is used to induce the sulfonyl group ...

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Cogeneration And Trigeneration Methods Engineering Essay

23 Mar 2015

4 (1,525 )

Cogeneration and trigeneration are methods used for producing more than one useful form of energy from only one energy source. These two methods in today's world are very important because efficiency, fuel prices and emissions are a great a concern. Both methods give the opportunity to increase efficiency drastically up to 60% to 80% which is much more than the conventional power plant which has an efficiency ...

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The Gear Basic Theory Engineering Essay

23 Mar 2015

6 (2,333 )

A gear is a rotating machine part having cut teeth, or cogs, which mesh with another toothed part in order to transmit torque. Two or more gears working in tandem are called a transmission and can produce a mechanical advantage through a gear ratio and thus may be considered a simple machine. Geared devices can change the speed, magnitude, and direction of a power source. The most ...

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Examining The Maritime Academy Engineering Essay

23 Mar 2015

12 (4,745 )

Arabian Gulf countries have a long history and tradition on maritime affairs, and Arabs considered as the most skilled and experienced seafarers and traders. These traditional and historical ties with sea, the proposed Maritime Academy trusts to cultivate to the highest level by providing the Arab youth with vocational and professional maritime training that meets all current international standards. The proposed Maritime Academy will be dedicated to ...

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Several Types Of Welding Applications Engineering Essay

23 Mar 2015

21 (8,215 )

INTRODUCTION Background of Study Over the past decades, the importance of welding process especially in a wide range of industrial applications such as ships, railroad equipments, building construction, boilers, pipelines, nuclear power plants, aircraft and automobiles becomes more advance. Today, Flux Cored Arc Welding (FCAW) is one of the most popular welding methods, especially in industrial environments to join metals and alloys. FCAW was first introduced in ...

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