Exhaustible energy

On the basis of an energy analysis, the project was tentatively approved. It was realized, however, that the results of a simple energy balance may be misleading, and that if a First Law analysis were to be used, it should encompass the whole power plant. Rather than do such an exhaustive energy analysis, it was decided that a Second-Law, or exergy, analysis should be performed on the process of interest, as a check against the initial results. 

REFECTIVUM — A Medicament which restores the exhausted energies. 

O. Falk-Pedersen and H. Dannstrdm, Separation of carbon dioxide from offshore gas turbine exhaust. Energy Comers. Manage. 38 (1997) S81-S86. 

Exhaustible energy is any source of energy that is limited and cannot be replaced when it is used such as oil, coal, and natural gas. 

Exhaustible Energy Fossil fuels are the primary sources of exhaustible energy. We call them exhaustible because we cannot replace them when used up—at least not for a million years. Thus, this source of energy is in limited supply. Our readily available supply of oil could potentially be used up in your lifetime (current estimates are about 40 years) if we do not practice energy conservation. 

Exhaustible energy sources currently provide more than 85 percent of aU the energy consumed in the United States. We depend on foreign countries to provide most of our oil, and these coimtries could reduce or eliminate our supply of oil at any time. This poses a potential threat to national security. We use oil not only as an energy source but also as a critical component in making plastics. An artificial reduction in the supply of oil could have a disastrous effect on our economy and on our ability to protect ourselves. 

Exhaustible energy Renewable energy Inexhaustible energy... 

Engineers are interested in biofuels because they are a renewable energy source. Oil is an exhaustible energy resource that pollutes the environment... 

Air is drawn through the pipes to remove evaporated water. The energy consumption is reported to be 2.9 to 3.2 MJ/kg water removed. The exhaust energy is generally not utilized. It is interesting to note that the flow properties of peat depend on the presence of wood and fiber content. If there is low content of fiber and wood with a bulk density of 400 kg/m such dryers operate well. 

Magnuson JK, Anderson TN, Lucht RP, Wjayasarathy UA, Oh H, Annamalai K, Caton JA (2008) Application of a diode-laser-based ultraviolet absorption sensor for in situ measurements of atomic mercury in cotil-combustion exhaust. Energy Fuel 22 3029-3036... 

Hence, an exhaustive energy balance could be performed. Such a detailed treatment is seldom possible in practice and often unnecessary. Nevertheless, an appreciation of these factors is important in any reactor operation. 

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