TY - JOUR
T1 - Hydrodynamic design and performance testing of pelton-type energy recovery turbine for pressure-retarded osmosis systems
AU - Park, Joo Hoon
AU - Kim, Young Soo
AU - Jung, In Hyuk
AU - Shin, Youhwan
AU - Chung, Jin Taek
N1 - Funding Information:
This research was supported by a grant (code 17IFIP-B065893-05) from the Industrial Facilities & Infrastructure Research Program funded by Ministry of Land, Infrastructure and Transport of the Korean government.
PY - 2017/12
Y1 - 2017/12
N2 - In this paper, we present the hydrodynamic design and performance tests of a Pelton-type energy recovery turbine (ERT) for pressure-retarded osmosis (PRO) systems. We describe the process of selecting the appropriate type of ERT for operating conditions of the PRO system (i.e., 400 ton/day, 30 bar) as well as the design methods for the Pelton-type ERT. Furthermore, we analyse the performance characteristics at design and off-design points and the change in performance with respect to the diameter of the Pelton runner, based on the performance tests of the manufactured Pelton-type ERT. At the design point, the efficiency of the Pelton-type ERT was approximately 85%, and the overall efficiency with the electric generator was approximately 77.2%. The efficiency of the turbine and overall plant was highest when the diameter of the Pelton runner is of the size selected during design. We thus validate the design result through such a performance test. It is expected that this study will be of great assistance to future works involving the selection of ERTs for PRO systems, as well as the design and performance tests of ERTs.
AB - In this paper, we present the hydrodynamic design and performance tests of a Pelton-type energy recovery turbine (ERT) for pressure-retarded osmosis (PRO) systems. We describe the process of selecting the appropriate type of ERT for operating conditions of the PRO system (i.e., 400 ton/day, 30 bar) as well as the design methods for the Pelton-type ERT. Furthermore, we analyse the performance characteristics at design and off-design points and the change in performance with respect to the diameter of the Pelton runner, based on the performance tests of the manufactured Pelton-type ERT. At the design point, the efficiency of the Pelton-type ERT was approximately 85%, and the overall efficiency with the electric generator was approximately 77.2%. The efficiency of the turbine and overall plant was highest when the diameter of the Pelton runner is of the size selected during design. We thus validate the design result through such a performance test. It is expected that this study will be of great assistance to future works involving the selection of ERTs for PRO systems, as well as the design and performance tests of ERTs.
KW - Energy recovery device
KW - Hydrodynamic design of Pelton turbine
KW - Performance test
KW - Pressure-retarded osmosis
KW - Production of electric power
UR - http://www.scopus.com/inward/record.url?scp=85042087938&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85042087938&partnerID=8YFLogxK
U2 - 10.5004/dwt.2017.21660
DO - 10.5004/dwt.2017.21660
M3 - Article
AN - SCOPUS:85042087938
VL - 99
SP - 132
EP - 139
JO - Desalination and Water Treatment
JF - Desalination and Water Treatment
SN - 1944-3994
ER -