CPIVOT v 2.0 Center Pivot Analysis and Design Software

by Waldo Ojeda, Univ of Arizona, Tucson, United States,
Steve M. Copeland, Univ of Arizona, Tucson, United States,
Donald C. Slack, Univ of Arizona, Tucson, United States,

Document Type: Proceeding Paper

Part of: Management of Irrigation and Drainage Systems: Integrated Perspectives


A micro-computer based software package is presented which can be used for hydraulic design and/or analysis of center pivot irrigation systems. The software is written in C and requires a computer of 640 Kilobytes or more of RAM to operate. It can be used to select required system flow rate and lateral size and will select nozzle size and location using either a fixed spacing between nozzles, a variable spacing or a combination of both. The analysis option provides pressure distribution along the lateral, application uniformity, application depth along the lateral and application rate versus time at any point along the lateral. Each of the outputs of the analysis may be presented in tabular and/or graphical form. The software is designed with 'pull-down' menus which make it easy to use with a mouse or interaction with the user can be via the keyboard. Results of an example analysis and design problem are presented.

Subject Headings: Hydraulic design | Computer software | Irrigation systems | Spacing | Pressure distribution | Irrigation | Flow rates

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