TRIBHUVAN UNIVERSITY
Design,
Fabrication and Testing of Hydraulic Ram Pump with Water Recirculation System
by
DEPARTMENT OF
AUTOMOBILE AND MECHANICAL ENGINEERING
THAPATHALI, KATHMANDU, NEPAL
SEPTEMBER,
2017
TRIBHUVAN UNIVERSITY
THAPATHALI, KATHMANDU, NEPAL
ABSTRACT
This report includes the details of
working principle, components of hydraulic ram pump, calculation and analysis
of various measures. The project was intended to find suitable design,
analyzing various parameter. Also the project was intended to increase the
volumetric efficiency and overall efficiency of the existing hydraulic ram
pump. Moreover, the comparison with existing Alternative Indigenous Development
Foundation (AIDFI) pump was done to find out the importance and necessity of
newly designed ram pump that could severely affect efficiencies and
performances of the pump.
The data obtained from the field visit
were thoroughly analyzed and the problem associated were listed under different
headings. A site at Jharuwarasi-Badegaun, lalitpur was chosen for designing
parameter (3’’ inlet and 6m intake head). And to eliminate various losses and
problems, analysis was done via ANSYS fluent software and also the best design
parameter are imported.
Furthermore, the results and analysis
of model test (1’’ pump) with proposed recirculation system is included in this
report which was done as a reference for 3’’ pump. The result of model testing
and analysis showed the overall and volumetric efficiencies at around 60% and
10% respectively in general with recirculation system in comparison to 55% and
7% respectively at without recirculation condition. An evidence suggesting the working
of recirculation system on the basis of data collected on 3’’ Ram pump was
found and is included in the report. The overall and volumetric efficiencies at
part flow was increased from 54% and 7% respectively to 58% and 8% with the
addition of recirculation system.
For full report contact bibek19sapkota@thapathalicampus.edu.np
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