Determine the higher heating value of the sample Wyoming coal as specified in Problem 13.148.
Problem 13.148
Many coals from the western United States have a high moisture content. Consider the following sample of Wyoming coal, for which the ultimate analysis on an as-received basis is, by mass:
![1285_c02392bf-aa5c-4de9-88ef-8c60fe0836cf.png](https://secure.tutorsglobe.com/CMSImages/1285_c02392bf-aa5c-4de9-88ef-8c60fe0836cf.png)
This coal is burned in the steam generator of a large power plant with 150% theoretical air. Determine the air-fuel ratio on a mass basis.