Assignment Title: Feasibility of Carbon Fibers to Replace Steel in Manufacturing Civilian vehicles Tutor Name: Bob Wallace‚ Ben Brown Student ID Number: 2014268 Date of Submission: Thursday 26th June 2012 Word count：7350 Abstract Carbon fiber composites have recently attracted much attention as lightweight materials in the automotive industry‚ particularly in civilian vehicles. An increasing number of engineers have concerned about the feasibility of carbon fibers to replace conventional steel which
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A splice is a permanent connection of two optical fibers. Once the two optical fibers are joined with a splice‚ they cannot be taken apart and put back together as they can if you join them using connectors. A splice is typically employed for one of three reasons: to repair a damaged cable‚ to extend the length of a cable‚ or to join two different cable types. (Andrew Olivier‚ 2011‚ p. 617) There are some things that can affect splicing performance. There is Cladding Diameter which occurs when the
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the computers. It is defined as a subset of telecommunication involving the transmission of data to and from computers and components of computer systems. More specifically data communication is transmitted via mediums such as wires‚ coaxial cables‚ fiber optics‚ or radiated electromagnetic waves such as broadcast radio‚ infrared light‚ microwaves‚ and satellites. Data Communications = Movement of computer information by means of electrical or optical transmission systems Information can be represented
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called ‘frequency-multiplexed voice band signals.’ A high voltage was put into the cables and amplifiers were placed at intervals along the cable. Many of these cables can be used today‚ but the limited bandwidth makes them impractical. In the 1980s‚ fiber optic cables were developed and rapidly replaced older technologies. Modern
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Bruce Munro’s Light Installations Bruce Munro is a British installation artist. Installation art is three-dimensional and is mostly site-specific. They are intended to change space perception. Bruce Munro has taken installation art to new heights. He does large-scale installations that usually encompass entire parks to create entire exhibitions. His primary medium is light. He uses light to completely transform an area. His exhibitions are very unique. Typically in an exhibition‚ one
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performance issues because of dirty fiber end faces‚ excessive gaps between fibers or improperly installed connector offsets of fiber cores when mated. The second factor affecting splicing performance is called Angle Acceptance also known as Modal Dispersion. This has to do with a differential delay between the modes‚ which can cause for a lower bandwidth. The last and final factor is Chromatic dispersion which is the limited bandwidth of certain single mode optical fibers. This has to do with the length
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Exercise 1: Fiber Optics- Definitions 1. Crosstalk – The coupling or transfer of unwanted signals from one pair within a cable to another pair. Crosstalk can be measured at the same (near) end or far end with respect to the signal source. Crosstalk is considered noise or interference and is expressed in decibels. 2. Waveguides – A structure that guides electromagnetic waves along their length. The core fiber in an optical-fiber cable is an optical waveguide. 3. FTTH – (fiber-to-the-home): Fiber reaches
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Peas are a quality source of carbohydrates. And like all vegetables‚ they’re rich in natural fiber. The 6th ingredient consists of beans‚ beans naturally high in dietary fiber and other healthy nutrients. Nevertheless‚ lentils‚ peas and beans consist of about 25% protein‚ a factor that needs to be thought about when judging the meat content of this dog food. The seventh component
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0103 | [dBm] | | Source-to-fiber coupling loss | 5.8000 | [dB] | | Fiber loss @ source mean wavelength λo | 0.2000 | [dB/km] | | Link length | 90.0000 | [km] | | Link fiber loss | 18.0000 | [dB] | | Fiber-spool length | 10.0000 | [km] | | Number of spools (max length 10 km) | 9.0000 | [--] | | Number of fiber splices | 8.0000 | [--] | | Splice loss‚ per splice | 0.0400 | [dB] | | Splice loss‚ all splices | 0.3200 | [dB] | | Fiber-to-receiver coupling loss | 3
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connects to the main cable run. 4. Connectors- A device attached to the end of a cable‚ receiver‚ or light source that joins it with another cable‚ device or fiber. A connector is a mechanical device used to align and join two conductors or fibers together to provide a means for attaching and decoupling it to a transmitter‚ receiver‚ or another fiber. 5. Conduit- A rigid or flexible metallic or nonmetallic raceway of circular cross section in which cables are housed for protection and to prevent burning
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