Civil Engineering Blog

1. Introduction     An open channel is a conduit in which a liquid flows with a free surface.  Free surface- Interface between moving liquid & overlying fluid medium with constant  pressure.  Prime motivating force- Gravity Weight of fluid along the slope acts as driving force  The boundary resistance at the perimeter act as the resisting force. Waterflow is largely turbulent regime with negligible surface tension effects Froude number ( Non-dimensional No.) which governs the flow  References 1. Subramanya  K., Flow in Open Channels, Tata McGraw - Hill Publishing Co. Ltd., 2003

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      1.    Lucid : Transparently Clear, Easily Understandable    2.    Encompasses : Include in scope, Include as part of something broader Synonyms- Covers   3.    Endeavour : A purposeful or industrious undertaking Synonyms- Attempt, Effort   4.    Prudent : Careful and sensible Synonyms- Careful, Circumspect, Discreet, Heady, Judicious, Provident, Prudential, Responsible, Wise

1.Introduction -   Water is vital to life & development in all parts of t he world. -  In 3rd world countries where the agricultural sector plays a key role in their economic growth, the management of water resources is an item of high priority in their developmental activities Hydrology - Science of water  - Deals with occurrence,circulation and distribution of water (of the earth and earths atmosphere) - Classified into Scientific Hydrology - concerned with academic aspects Engineering Hydrology  - deals with               i) Estimation of water resources              ii) Study of Processes- Precipitation, Runoff, Evapo-Transpiration and their Interaction             iii) Study of Problems- Floods and Droughts, Strategies to combat them. References...