Hydraulics Prof. B.S. Thandaveswara 9.3 Application of Specific Force and Specific Energy 1. Determine the energy Loss in a NHJ Solution: Applying Momentum equation γQ ( V2 − V1 ) = P1 − P2 g γ Q 2 ( y1 − y 2 ) gb 2 y1y 2 2 2 2 = y1 − y 2 ( ) Q2 2gb Q2 b 2 = ( y1 + y2 ) y1y2 4 = q2 q 2 ( y1 + y 2 ) y1y 2 = (1) 2g 4 Specific energy equation y1 + V12 V2 = y 2 + 2 + ∆E 2g 2g Q2 2 2gy1 b 2 ∆E = y1 + − y2 − Q2 2 2gy 2 b 2 1 ⎤ q2 ⎡ 1 ∆E = ( y1 − y
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and is sometimes better that it not happen. But fortunately‚ there is alternative method of conversation and confrontation that can take place. The Internet opens up all sorts of new possibilities and systems for communication. Suddenly‚ physical presence is no longer necessary‚ and you no longer have to connect with someone on a physical‚ or even mental basis. Long distance communication‚ without even opening your mouth is possible with instant messaging: a direct conversation between 2 people.
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In the article “The Flight from Conversation‚” Sherry Turkle makes a point that technology has negatively changed people in their ways of interacting with each other. She states that people have lost the skills for interacting face to face because they prefer to text or email each other. In the text‚ the author spends over fifteen years studying people and asking them about their lives. She also found that cell phones change what people do and who they are. They change what people do because nowadays
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The Flow of Energy Stacey Ann Langston SCI/209 February 3‚ 2013 Cynthia Collin-Clausen The Flow of Energy The marine ecosystem relies on solar energy converted through photosynthesis by producers. Consumers‚ fish for example‚ metabolize‚ and release as chemical energy to convert into mechanical energy. The ecosystem distributes energy to living organisms through heat energy. Decomposers break down dead organisms and deplete them of their
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(RENEWABLE ENERGY) IN PAKISTAN By The wind of change is blown and world has now emphasizing towards new technologies out of which renewable energy is important one. Keeping in view the commercial and industrial consumption of oil and gas everyone is conscious to have some alternate resource for energy production. Wind is also one of the resources for the power generation. A wind turbine is a device that converts kinetic energy from the wind‚ also called wind energy‚ into mechanical energy; a process
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Cell Energy Worksheet Answer the following questions: Cellular respiration: • What is cellular respiration and what are its three stages? The main function of cellular respiration is to generate ATP for cellular work; it is the process of harvesting chemical energy from organic fuel and converting it to ATP energy. The three stages of cell respiration include: Glycolysis‚ Citric Acid Cycle‚ and Electron Transport(Simon‚ Reece‚ & Dickery‚ 2010). • What is the role of glycolysis
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Turkey’s energy dependence and energy security Introduction Today‚ energy has important place in human life and international relations. With the industrial revolution‚ human beings have become more dependent on energy. The importance of oil has increased with the opening of commercial oil wells. Because‚ oil was advantageous than from coal. Economic developments has increased people’s dependence on oil each passing day more and more. Use oil for vehicles‚ military equipment‚ defense vehicles
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Nuclear Energy 1. What is nuclear energy? Text Book Pg 80 2. Nuclear Fission :- In nuclear physics and nuclear chemistry‚ nuclear fission is a nuclear reaction in which the nucleus of an atom splits into smaller parts (lighter nuclei)‚ often producing free neutrons and photons (in the form of gamma rays)‚ and releasing a tremendous amount of energy. The two nuclei produced are most often of comparable size‚ typically with a mass ratio around 3:2 for common fissile isotopes.[1][2].The smallest
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that could power a jet‚ NASA engineer Bilal Bomani presents his work in turning the field of aviation into an environmentally friendly service. At NASA’s GreenLab Research Facility‚ he uses algae and halophytes to create a self-sustaining‚ renewable energy ecosystem that doesn’t consume arable land or fresh water. Bomani’s work has a set of guidelines which it must follow. In order to be truly Green‚ Bomani’s fuel must be Sustainable‚ Alternative and Renewable. Meaning that it must have a low carbon
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Energy Politics Issue XV1: Winter 2008 Table of Contents Economics Energy Policy and Ecomics’ Understanding Crude Oil Prices By James D. Hamilton 4 Government Business People Nuclear Fuel Banks By Danila Bochkarev 37 Forecasts on Saudi Arabia Liquids Production By Jean Laherrere 62 Four Dozen Chinese Rigs are in te U.S. Land Market With Dozen More Planned By Kathy Kemper 82 Regular Features Peak Oil and the Second Great Depression By Colin Campbell 85
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