development of new energy

CASE STUDY 1: NET ENERGY FROM FOSSIL FUEL EXTRACTION IN THE UNITED STATES

One technique for evaluating the productivity of energy systems is net energy analysis, which com­pares the quantity of energy delivered to society by an energy system to the energy used directly and indirectly in the delivery process. EROI is the ratio of energy delivered to energy costs. There is a long debate about the relative strengths and weaknesses of net energy analysis. One restriction on net energy analysis’ ability to deliver the insights it promises is its treatment of energy quality. In most net energy

Подпись:Подпись: (6)Подпись: FIGURE 2 Energy return on investment (EROI) for petroleum extraction in the United States, with energy inputs and outputs measured in heat equivalents and a Divisia index. analyses, inputs and outputs of different types of energy are aggregated by their thermal equivalents. This case study illustrates how accounting for energy quality affected calculations for the EROI of the U. S. petroleum sector from 1954 to 1992.

development of new energy

Discussion

Aggregation using price has its shortcomings. Prices provide a reasonable method of aggregation if the aggregate cost function is homothetically separable in the raw material input prices. This means that …

PREFACE

The history of human culture can be viewed as the progressive development of new energy sources and their associated conversion technologies. Advances in our understanding of energy have produced unparalleled …

ECONOMIC GROWTH, DEMAND, AND ENERGY USE

On a per capita basis, rising demand for mobility is well correlated with growth in gross domestic product (GDP)—a measure of national economic activity—across a wide variety of economic, social, …

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