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Paperback. Condizione: New. Print on Demand. This book presents a groundbreaking formula for calculating the flow velocity of water in canals and rivers based on slope, wet perimeter, and hydraulic radius. The author presents a detailed establishment of the formula and provides a supplement that offers a more direct derivation. The formula is then compared against 210 gaugings under various conditions with mostly accurate results. The author also discusses the limitations of the formula and offers a second general formula. Of particular note is an examination of the effects of slope on the formula's coefficient, a topic not addressed by earlier formulas. This book is an excellent resource for understanding hydraulics and for using the formula to accurately calculate the flow of water. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.