You're looking for a downloadable PDF on "Non-Conventional Energy Sources" by G.D. Rai. Here's some information and a possible download link:
The book contains solved examples that are crucial for understanding the efficiency calculations of various energy converters.
: Beyond basic renewables, it delves into specialized areas like Magneto Hydro Dynamic (MHD) power generation, Fuel Cells , and Hydrogen energy .
As the global energy landscape shifts away from fossil fuels, the study of renewable alternatives has become a cornerstone of engineering and environmental science curricula. Among the most respected texts on the subject is .