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16/04/2013
1
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
Outfall Case Studies & Modelling
Water requirement
� Sea Water requirement for once through cooling system –
1,80,000 m3/hr.
� Temperature differential up to 7 deg.
� No appreciable change in salinity
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
2
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
3Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
44
16/04/2013
2
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
5Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
Layout Plan With Marine Facilities
6
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
7Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
16/04/2013
3
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
Table 1. Summary Of Dilution Characteristics For Various Current Values.
10
Velocity
configuration
Distance to
initial dilution (m)
Initial Dilution
0.1m/s ~35 Within 50m
0.3m/s ~30 Within 45m
0.5m/s ~25 Within 45m
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
Current
(0.1m/s)
direction
offshore
Fig.3 Details of model domain for 8 diffuser flow and dispersion model
16/04/2013
4
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
Modelling Pipelines and Multiport Diffusers
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Qdiff (m3/s)
LastDiffuser
FirstDiffuser
0
0.5
1
1.5
2
2.5
3
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Vdiff (m/s)
LastDiffuser
FirstDiffuser
6 pipe with 16 ports per pipe
0.47
0.48
0.49
0.5
0.51
0.52
0.53
0.54
0.55
0.56
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Ddiff (m)
LastDiffuser
First Diffuser
16/04/2013
5
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Vpipe (m/s)
LastDiffuser
First Diffuser
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Dpipe (m)
LastDiffuser
First Diffuser
6 pipe with 16 ports per pipe
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
Modelling Cumulative Effects
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
UNDER CONSTRUCTION OF INTAKE HEAD
CFD Modelling of – Forebay and Sump
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
UNDER CONSTRUCTION OF INTAKE HEAD
CFD Modelling of – Forebay and Sump
16/04/2013
6
Prof. Murali KantharajDepartment of Ocean Engineering, Indian Institute of Technology - MadrasChennai, INDIA; e-mail:[email protected]
Outfall case studies & Modelling
UNDER CONSTRUCTION OF INTAKE HEAD
CFD Modelling of – Forebay and Sump