Bøger af William Shepherd

Considers the various options of renewable energy, including water energy, wind energy and biomass, solar thermal and solar photovoltaic energy. This work examines the environmental implications and economic viability of various fossil and renewable sources.

During the Peloponnesian War the Athenians occupied the promontory of Pylos to counter Sparta's repeated invasions of Attica. Over two days of fighting the small garrison beat off the Spartan army and the returning Athenian fleet won a victory in the nearby waters, stranding a contingent of elite Spartan hoplites on the island of Sphacteria.

"Plataea 479 BC: Greece's Greatest Victory".

In 480 BC, the Greek and Persian fleets met in a battle in the strait between Attica and the island of Salamis. Although outnumbered, the Greeks delivered a victory that ended the Persian threat to Greece. This book draws on the findings of archaeological, technological and naval research to recreate an important naval campaigns in world history.

This text reveals all key components of rectification, inversion, cycloconversion, and conversion circuits. It authoritatively describes switching, voltage and current relationships, and converter properties, operation, control, and performance as utilized in most practical applications. Authored jointly by a veteran scholar and an accomplished researcher in the field Power Converter Circuits highlights methods grounded in classical mathematics and includes an abundance of numerical worked examples.Features hundreds of chapter-specific problems, with solutions provided separately at the end of the book