Actions for Results of investigations of failures of geothermal direct-use well pumps [electronic resource].

Email RIS file
Bookmark
Report an Issue

Results of investigations of failures of geothermal direct-use well pumps [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1994.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
40 pages : digital, PDF file
Additional Creators
Oregon Institute of Technology (Klamath Falls, Or.). Geo-Heat Center, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
Access Online

Availability

I Want It
I Want It

Finding items...

Restrictions on Access
Free-to-read Unrestricted online access
Summary
Failures of 13 geothermal direct-use well pumps were investigated and information obtained about an additional 5 pumps that have been in service up to 23 years, but have not failed. Pumps with extra long lateral and variable-speed drives had the highest correlation with reduced time in service. There appears to be at least circumstantial evidence that recirculation may be a cause of reduced pump life. If recirculation is a cause of pump failures, pump specifiers will need to be more aware of minimum flow conditions as well as maximum flow conditions when specifying pumps. Over-sizing pumps and the tendency to specify pumps with high flow and low Net Positive Suction Head (NPSH) could lead to increased problems with recirculation.
Report Numbers
E 1.99:doe--13049-1
doe--13049-1
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
12/01/1994.
"doe--13049-1"
"DE95016904"
Culver, G.
Funding Information
FG07-90ID13040
View MARC record | catkey: 14383135