Abstract
The numerical modeling for the cool water outfall discharge from the LNG Plant is undertaken using CORMIX to evaluate the design of diffuser for discharge. The hydrodynamic data tide and currents are used inputs to the model. It is then calibrated using monitored data. The software has been run to calculate the mixing zone and dilution patterns for various flow conditions. Model result shows that ambient condition is achieved within 64 m from the proposed outfall locations. From the results of the modeling studies it can be concluded that the proposed diffuser design and outfall locations are suitable for all tide conditions. It also shows that there is no significant impact on the marine life due to the proposed cool water discharge, beyond the small area around the discharge location, as the parameters are attaining near ambient water quality within the acceptable space and time.
Highlights
The Gulf region in the earth contains the largest manmade islands in the world
The numerical modeling for the cool water outfall discharge from the LNG Plant is undertaken using CORMIX to evaluate the design of diffuser for discharge
Model result shows that ambient condition is achieved within 64 m from the proposed outfall locations
Summary
The Gulf region in the earth contains the largest manmade islands in the world. The Gulf is one of the most highly impacted regions in the world and the greatest threats facing are the Gulf’s marine communities [1]. In India the Gulf of Kutch is characterised by high tidal ranges. The Government of Gujarat has declared part of the Gulf of Kutch as the marine national park of India to protect the marine biota of the area and create long range interest of conservation [3]. Coastal development and associated pollution can potentially alter or damage important shore habitats nearby, disrupt vital ecological pathways and cause permanent loss of nursery grounds for commercial shellfish and fish species. Nowadays they are facing lots of environmental issues like loss of productive natural. Discharge in flowing surface waters are: 1) Defining mixing zone following the guidelines or regulations present in the current scenario [7]. 2) The physical components of hydrodynamic mixing processes determining cool water outfall fate and distribution
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