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On 24 Forms of the Acoustic Wave Equation in Vortical Flows by Campos L.M.B.C. PDF

By Campos L.M.B.C.

From "Applied Mechanics stories (November 2007)""

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Additional info for On 24 Forms of the Acoustic Wave Equation in Vortical Flows and Dissipative Media

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So again, in spite of oil to be discovered, reserves might soon be on the decline. OIL, ULTIMATE RESOURCE 400 • 300 III Z 0 I- 0> • • •• 200 5! 100 1940 • • • • ••• • •• •• •• • 1950 1960 1970 1980 YEAR OF ESTIMATE Figure 10. Estimates of ultimately recoverable oil (based on data contained in reference 1). (3) Production can not proceed at a constant rate until the reserve is completely exhausted. In general one can for technic a reasons produce, per year, only about 7-10% of the total world reserve, the lower rate being the most realistic.

A. a. for other energy. In the procedure described above the effects of growth price, policy and trends are supposed to be independent, so that their effects can be factored (addition of exponents). This is perhaps not a very good approximation. However, the method allows a very fast estimate of future energy demand once the initial values Ao and Io have been determined for each sector of the economy. The method is particularly valuable for investigation of many different combinations of growth, price, policy and trends.

4 Transport Transport is not the world's largest energy consuming activity. But it is by far the largest oil consuming activity (cf. Table 18) responsible for around 40% of the oil demand. If we consider the projections until year 2000 this share could have increased to around 55%. Transport without oil as a mobile energy source is at present unthinkable. What could happen in the long run is difficult to say, but until year 2000 and probably a good deal longer oil is the only realistic energy source for transport.

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On 24 Forms of the Acoustic Wave Equation in Vortical Flows and Dissipative Media by Campos L.M.B.C.


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