Assessment of Hydrophobic Treatment for Gas Compressor Air Intake Values & Screens
Reference Number
NIA_NGGT0029
Title
Assessment of Hydrophobic Treatment for Gas Compressor Air Intake Values & Screens
Status
Completed
Energy Categories
Fossil Fuels: Oil Gas and Coal(Oil and Gas, Refining, transport and storage of oil and gas)
Research Types
Applied Research and Development
Science and Technology Fields
PHYSICAL SCIENCES AND MATHEMATICS (Metallurgy and Materials)
UKERC Cross Cutting Characterisation
Not Cross-cutting
Principal Investigator
Project Contact
National Grid Gas Transmission
National Grid Gas Transmission
Award Type
Network Innovation Allowance
Funding Source
Ofgem
Start Date
01 December 2012
End Date
31 December 2013
Duration
13 months
Total Grant Value
£40,000
Industrial Sectors
Manufacturing
Region
London
Programme
Reliability
Web Site
Objectives
If successful, the project will provide valuable information as to the effectiveness of conventional hydrophobic coatings for gas turbine air intakes. This will increase unit availability, improve unit reliability, reduce operating costs associated with unit overhaul, maintenance and offers potential improvements in long term unit efficiency.
Expected Benefits: This programme of work should be seen as one component to improve the overall husbandry of the compressor fleet, although use of hydrophobic coatings may have universal applicability across National Grid.
Abstract
Under certain climatic conditions it is possible for unacceptable levels of ice to build up on gas turbine air intakes. Ice build up on the air intake structures reduces the available cooling and combustion air for the gas turbine, reducing efficiency and the integrity of the unit if the ice should become ingested within the engine. This would have serious consequences for the integrity of the gas turbine unit and network supply capability due to unit failure.
There is considerable worldwide experience of operation gas turbine based infrastructure in low ambient temperatures and a number of ice treatment technologies are well defined. Dovetailing the most cost effective available ice treatments with the existing air intake structures. This and also employing any fortuitous effects such as surface roughness, will improve the overall effectiveness of water repulsion and ice management of gas turbine air intakes across the National Grid fleet.
There is considerable worldwide experience of operation gas turbine based infrastructure in low ambient temperatures and a number of ice treatment technologies are well defined. Dovetailing the most cost effective available ice treatments with the existing air intake structures. This and also employing any fortuitous effects such as surface roughness, will improve the overall effectiveness of water repulsion and ice management of gas turbine air intakes across the National Grid fleet.
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Added to Database
29/09/16
