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1778

Centuries: 17th century - 18th century - 19th century

Decades: 1720s 1730s 1740s 1750s 1760s - 1770s - 1780s 1790s 1800s 1810s 1820s

Years: 1773 1774 1775 1776 1777 - 1778 - 1779 1780 1781 1782 1783


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Heat engine

... engine) has an efficency equal to (T1 - T2)/T1 where T1 is the temperature of the hot source and T2 is the temperature of the cold sink. Examples of everyday heat ...