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9 Μαρ 2021 · TR-20 User Manual - NRCS Irrigation ToolBox. Topics manualzilla, manuals, Collection manuals_contributions; manuals; additional_collections Item Size 65.6M . Addeddate 2021-03-09 12:49:16 Identifier manualzilla-id-5804629 Identifier-ark ark:/13960/t9873ck0g Ocr tesseract 5.0.0-alpha-20201231-10-g1236 ...
1) TR-20 is a computer program for the generation and routing of runoff hydrographs. Unlike TR-55, which was developed for manual use, the calculations in TR-20 are far too complex and numerous to be of practical use without appropriate computer software.
TR-20 is a computer program for the simulation of runoff occurring from a single storm event. The program develops flood hydrographs from runoff and routes the flow through stream channels and reservoirs.
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HydroCAD combines the most-used capabilities of TR-20 and TR-55, plus many other techniques and features not provided by either program. We also have a step-by-step guide for comparing the results from these programs.
The Variable Displacement Pump can be operated with fixed or variable input speeds and provides an infinitely variable output flow between O and maximum flow in either direction. A variety of controls are available for the Variable Displacement Pumps and Motors which are described on the following pages.
To facilitate easy servicing, the unit has been designed with this in mind. Many of the individual parts and assemblies are interchangeable throughout the entire series 20 family. This includes such items as the servo valve, the charge pumps and the manifold components.
