Lect 18 energy accounting

Lect 18 energy accounting - Chapt er s 18 and 24 Account...

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Chapters 18 and 24 Accounting for Energy Accounting for Money
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Engineering Economics How much capital will be needed to build a new plant? Which, among the various process alternates, generates the most profit? Should a larger heat exchanger be installed to save money? How much should be spent to avoid equipment failures?
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Money is/is not Conserved Conservation of money Ordinary citizens: money neither created nor destroyed Personal bank account In – Out = Acc Accounting of money Wealth can be “created” Federal govt: money can be printed/created Inflation is more money than wealth Deflation is more wealth than money
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Handling Money Principal : amount of money borrowed Interest : cost to borrow money Interest period : length of time after which interest is due Number of interest periods : time of load divided by interest period Interest rate : amount of interest paid in a single interest period divided by the principal
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Interest Simple interest : interest payment based only
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Lect 18 energy accounting - Chapt er s 18 and 24 Account...

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