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مکانیک::
سرمایه گذاری ثابت کل
Optimization criteria may be economic (total capital investment, total annual levelized costs, annual levelized net profit, return on investment, or any of the profitability evaluation criteria discussed in Sections
Here we assume that for the kth component the total capital investment (TCI,) can be represented, at least approximately, by the following relation
The total capital investment associated with the kth component may be estimated from the purchased-equipment cost of the same component using the factors discussed in Section 7.1 (see, Equations 7.17).
In this equation, is a coefficient that accounts for the part of the fixed operating and maintenance costs depending on the total capital investment associated with the component'; is a constant that accounts for the variable operating and maintenance costs associated with the component, and denotes the cost per unit of product exergy; is the average annual time of plant operation at the nominal load; and includes all the remaining operating and maintenance costs that are independent of the total capital in- vestment and the exergy of the product.
by neglecting the effects of financing, inflation, taxes, insurance, and con- struction time and by considering the startup costs, working capital and the costs of licensing, research, and development together with the total capital investment.
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