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Engineering and Construction
Pages 4 (1004 words)
LNG In this part of economics, we will elaborate on the insulation and use of LNG as an alternative fuel for our aircraft. We will assume that the feed gas (natural gas) is available at both the airports, Perth and Melbourne. We will begin with the conceptual design of our ground system with the following breakdown: 1.
Conceptual Configuration 1.1 Liquefaction Cycle Liquefaction allows gas to be stored economically. Propane Precooled Multi-Component Refrigerant Cycle (Carson’s Report, pg 221) will be used to create the LNG from the natural gas feed. This process also known as the C3-MR system is used widely in today’s LNG industries. This system uses a multi-component refrigerant, usually nitrogen, methane, propane, butane, ethane and pentane to condense and evaporate natural gas in one cycle over a wide range of temperatures.( http://books.google.com.au/books?id=b14hnWUAOPYC&pg=PA115&lpg=PA115&dq=propane-precooled+multi-component+refrigerant+cycle&source=bl&ots=NyBe3x3X2H&sig=lGG5YDOJ9TkF_ntOmXjcG2Es2Fc&hl=en#v=onepage&q=propane-precooled%20multi-component%20refrigerant%20cycle&f=false) 1.2 Storage Facility In this section we will show our storage facility by calculating the storage capacity needed (table 1.2.1), studying the current LNG storage tanks and their capacity and choosing the appropriate facility for our project. ...
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