Thoughts about future power generation systems and the role of exergy analysis in their development Noam Lior * Department of Mechanical Engineering and Applied Mechanics‚ University of Pennsylvania‚ 297 Towne Building‚ 220 South 33rd Street‚ Philadelphia‚ PA 19104-6315‚ USA Abstract In face of the likely doubling of the world population and perhaps tripling of the power demand over the next 50 years‚ this paper (1) presents some thoughts on the possible ways to meet the power demands under the
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THE advantages and disadvantages of Nuclear energy Day after day‚ the energy required in the world increases. Fossil fuels have been used for energy since the outset of the last century. The burning of these fossil fuels over the years has caused the earth’s temperature to increase. Some countries are concerned about this problem‚ and tend toward finding alternative power sources. Iran chooses nuclear energy to decrease poison gases‚ but this choice has met with the disapproval of many countries
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Pros and Cons of Nuclear Power What’s nuclear power’s biggest advantage? It doesn’t depend on fossil fuels and isn’t affected by fluctuating oil and gas prices. Coal and natural gas power plants emit carbon dioxide into the atmosphere‚ which contributes to climate change. With nuclear power plants‚ CO2 emissions are minimal. According to the Nuclear Energy Institute‚ the power produced by the world’s nuclear plants would normally produce 2 billion metric tons of CO2 per year if they depended on
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(Compiled by Nagasaki Municipality | Destruction of Buildings and Houses | Number | Percentage | Total in Nagasaki (before atomic explosion) | 50‚000 | 100.0 | Blasted (not burned) | 2‚652 | 5.3 | Blasted and burned | 11‚494 | 23.0 | Blasted and/or burned | 14‚146 | 28.3 | Partially burned or blasted | 5‚441 | 10.9 | Total buildings and houses destroyed | 19‚587 | 39.2 | Undamaged | 30‚413 | 60.8 | TABLE A Estimates of Casualties | Hiroshima | Nagasaki | Pre-raid
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TECHNOLOGY CREATES VERY LESS PROBLEMS- DEBATE “ANY SUFICIENTLLY ADVANCED TECHNOLOGY IS INDISTINGUISHABLE FROM MAGIC” SAID SIR ARTHUR C.CLARKE.YES IT IS TRUE MY FRIENDS.IF TECHNOLOGY WE USE IS ABSOLUTELY ADVANCED AND SUFFICIENT THEN IT FEELS IKE IT IS MAGIC.FOR EXAMPLE INTERNET.INTERNET-A FAST TECHNOLOGY IN WHICH A PERSON CAN DO ANYTHING SITTING IN ANY PLACE OF THE WORLD.THEY CAN AT ANY TIME SEARCH FOR INFORMATION ON ANYTHING. WHEN WE SAY ABOUT TECHNOLOGY WE AT FIRST THINK OF CELL PHONES OR MICROWAVES
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today’s world is coal power‚ but other alternatives do exist such as that of natural gas‚ solar‚ wind‚ hydroelectric and nuclear energy. Nuclear energy is the 3rd most common source of our energy. Nuclear energy was first introduced in 1954 in Russia with the first power plant. Nuclear energy provides about 20% of today’s electricity and does provide a substantial amount of energy‚ but does provide threats of radioactivity. Nuclear energy is created by a specific nuclear reaction in which atoms
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are not yet ready to meet the world’s energy needs. Nuclear power is an attractive energy source‚ as it doesn’t emit greenhouse gases and can be used on a large scale‚ producing over 20% of electricity in the United States.1 Although with any energy solution‚ comes consequences.
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Following are the key aspects of the Indo-US civil nuclear deal: * The agreement not to hinder or interfere with India’s nuclear programme for military purposes. * US will help India negotiate with the IAEA for an India-specific fuel supply agreement. * Washington will support New Delhi develop strategic reserves of nuclear fuel to guard against future disruption of supply. * In case of disruption‚ US and India will jointly convene a group of friendly supplier countries to include
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Living During the Nuclear Threat HIS 145 Living under the threat of nuclear war would have been a very scary and unimaginable event‚ especially in the 1950s. Terrorism is another very dangerous threat‚ but it is different in its own. Living under the threat of nuclear war was a scary time for Americans. The media had to curve the tension people thought by making a television cartoon to enhance people to think they were save as long as they followed a few rules. Society in that period
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Nuclear weapons have become a major threat to the planet and the topic is too often brushed aside as something not worth thinking about. However‚ as new technologies develop‚ and the stockpile of nuclear weapons keep growing‚ so does the threat of an extinction level event . The global impact that a nuclear war would bring comes with many consequences. T Nuclear bombs must be banned and stockpiles removed to ensure that the human population does not annihilate both itself and its mother- Earth
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