MIDDLE EAST TECHNICAL UNIVERSITY FOOD ENGINEERING DEPARTMENT FD. E. 425 FOOD ENGINEERING DESIGN ASSIGNMENT 5 25.11.2009 A Controlled Atmosphere (CA) Cold Store Facility SUBMITTED TO: PROF. DR. SUAT UNGAN SUBMITTED BY GROUP 5 SEC. 2: UFUK YAZAR EVANA NAÇİ
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Timber Framing There are many different types of material that can be used today when framing a house or a building‚ from concrete to steel to timber and depending on the budget of the project and what the project is trying to achieve will determine the type of material used for framing. People have been using timber for framing purposes for thousands of years throughout the world due to its easily accessible means‚ the ready supply of wood and aesthetic appeal of the timber itself. Timber is a
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generation. He realised that the Newcomen steam engine was wasting nearly three quarters of the steam energy in heating the piston and chamber. Watt developed a separate condenser chamber which significantly increased the efficiency. Further refinements (insulation of the steam cylinder‚ the double-acting engine‚ a counter‚ an indicator‚ and a throttle valve) made the steam engine his life’s work. Watt was opposed to the use of high pressure steam‚ and is held by some to have held back the technical development
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warm its body up relatively fast. Another favourable aspect of the Emperor Penguins development is that approximately 30% of a penguin’s overall body mass can potentially be a well-defined layer of blubber which consequently improves the thermal insulation of the penguin whilst swimming as well as stores excess energy and heat. Although‚
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using the data from the demonstration. Also‚ calculate ∆Hvap from the following data gathered by a student; 8100 J were needed to distil 2.95g of water. a) Explain why the boiling tube was surrounded with expanded polystyrene (or other similar insulation)‚ but the condenser was left uncovered. b) Before any water was collected‚ the water was allowed to boil for several minutes until drops steadily fell from the condenser. Explain why this helps achieve greater accuracy when estimating ∆Hvap. The
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which in turn is collected by B2. The charge transfer process is repeated. As more and more positive charges are imparted to the sphere‚ its positive potential goes on rising until a surface maximum is reached. If the potential goes beyond this‚ insulation property of air breaks down and the sphere gets discharged. The breakdown of air takes place in an enclosed steel chamber filled with nitrogen at high pressure.
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World Academy of Science‚ Engineering and Technology 56 2011 A Study of the Damages to Historical Monuments due to Climatic Factors and Air Pollution and Offering Solutions Shoureshe Kanani‚ Hassan Zandi Abstract—Historical monuments as architectural heritage are‚ economically and culturally‚ considered one of the key aspects for modern communities. Cultural heritage represents a country’s national identity and pride and maintains and enriches that country’s culture. Therefore‚ conservation
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1. SUBSTATION EQUIPMENT AND THEIR FUNCTIONS Substations INTRODUCTION: In Power System network‚ in order to transmit and distribute the generated power‚ it is necessary to install “SUBSTATIONS” at strategic points to work at required voltage level since “HIGH VOLTAGE TRANSMISSION” is resorted to. The Sub stations are classified as “GRID” of “RADIAL” Substations. The Grid station is installed in Grid network to reduce the voltage level from 230KV to 110 KV. The radial Station within Distribution net
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A carbohydrate is an organic compound that consists only of carbon‚ hydrogen‚ and oxygen‚ usually with a hydrogen:oxygen atom ratio of 2:1 (as in water); in other words‚ with the empirical formula Cm(H2O)n. The carbohydrates (saccharides) are divided into four chemical groupings: monosaccharides‚ disaccharides‚ oligosaccharides‚ and polysaccharides. In general‚ the monosaccharides and disaccharides‚ which are smaller (lower molecular weight) carbohydrates‚ are commonly referred to as sugars.
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Introduction Green Architecture Definition and Origin Green architecture or Sustainable building is the practice of building homes which are environment friendly and resource efficient throughout its life time. It is a way of reacting to the global economic crisis‚ environmental issues‚ growing human population‚ destruction of natural resources and the loss of biodiversity. While it may seem that this practice started only a few decades ago when environmentalists and conservationist were given
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