Turboprop engines Turboprop engines are a type of aircraft powerplant that use a gas turbine to drive a propeller. The gas turbine is designed specifically for this application‚ with almost all of its output being used to drive the propeller. The engine’s exhaust gases contain little energy compared to a jet engine and play a minor role in the propulsion of the aircraft. The propeller is coupled to the turbine through a reduction gear that converts the high RPM‚ low torque output to low RPM‚
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The Real Monster of the Midway Serial Killers are nothing new to today’s society. Jeffrey Dahmer‚ John Wayne Gacy and Ted Bundy shocked our nation with their violent‚ brutal‚ and at times unbelievable crimes‚ although none of them were as notorious as Herman Webster Mudgett better known as Dr. H.H. Holmes. A man that carried himself as a smart‚ intellectual member of society‚ but in reality he was a smooth talking conman and very disturbed individual. A man who designed and built a building with
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Piston Engines Picture a tube or cylinder that holds a snugly fitting plug. The plug is free to move back and forth within this tube‚ pushed by pressure from hot gases. A rod is mounted to the moving plug; it connects to a crankshaft‚ causing this shaft to rotate rapidly. A propeller sits at the end of this shaft‚ spinning within the air. Here‚ in outline‚ is the piston engine‚ which powered all airplanes until the advent of jet engines. Pistons in cylinders first saw use in steam engines. Scotland’s
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A jet engine‚ like a rocket engine‚ is a reaction engine. It works by throwing mass in one direction and taking advantage of the reaction in the opposite direction. In the case of a jet engine‚ the engine burns fuel (like kerosene) with air from the atmosphere. The burning fuel heats and expands the air‚ and this hot air shoots out of the exhaust-end of the engine to create thrust. Most modern jet engines use a turbine to improve the efficiency of the engine and allow the engine to work at low speeds
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The Jet Engine and the Revolution in Leisure Air Travel‚ 1960-1975 Peter Lyth Air transport for European tourists got off to a shaky start in the late 1920s. 1 But it was to be thirty years before leisure air travel was to appeal to anyone but the rich and adventurous. High cost‚ fear of flying and the absence of toilets in early airliners (an unfortunate combination) were the main deterrents; the unpressurized aircraft of the inter-war years were noisy‚ slow and not especially comfortable
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everyday without caring the surrounding. Recently‚ a piece of news mentioned that the post 80s are having the symptom of relying too much on web search engines which help users find specific information by typing keywords only1. They think that searching by engines can obtain accurate data and save time. They are said to have ‘search engines dependence’ which means that they rely on searching every word without thinking nowadays. According to the survey conducted by the China Youth Daily Social
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H&M. Ethics and social responsibility of the Swedish fashion giant (case study) Author: Maria Roszkowska-Śliż‚ Katedra Teorii Zarządzania‚ Kolegium Zarządzania i Finansów‚ Warsaw School of Economics Source: “Style and Substance. Sustainability Repot 2009”‚ H&M 2010 Warsaw‚ 2011 H&M Ethics and social responsibility of the Swedish fashion giant H&M is one of the world’s largest fashion company employing 76 thousand people. The company‚ established in Sweden in 1947‚ owes now around
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tWhat Is the Clients Product? 1. Humorous Promotional Products with digital links * Explain why digital versions of the promotional products are not appealing to customers. * Give survey data and general info on shelf life and added value of physical promotional products as compared to digital ones. (digital ones have no shelf life‚ they live only as long as the customer views it and is usually never seen again) * Give example of new product. (photoshop it) * Explain how they
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on the human component of caring and actual encounter between the client and the caregiver. Jean Watson has stated that her work was motivated by her search of a new meaning to the world of nursing and patient care. " I felt a dissonnance between nursing’s (meta) paradigm of caring-healing and health‚ and medicines’s (meta) paradigm of diagnosis and treatment‚ and concentration on disease and pathology". (Watson‚ 1997‚p.49) Jean Watson’s theory was first published in 1979. Later Watson explained that
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COMMENTARY - REINDEER AND ENGINE This poem‚ "Reindeer and Engine" is by Josephine Jacobsen. It is set in a ’Finnish forest track’ where a reindeer is being chassed by a train. It flees from the light of the train as it ’runs’ forward trying to escape. This is a narrative poem because it tells a story from an omniscient point of view. It is written in four stanza’s each one telling a different part of the story. The first idea we come across is that of light. ’The great round eye’ in the first line
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