Liquified Natural Gas Thermodynamics Part 1 (Online)
4 hours · $79.95
Description
To better respond to anomalies during plant operation, professional engineers need some understanding of thermodynamics. The thermodynamics presented in this publication are basic and based on application rather than theory. The cases studied are all steady-state (the properties of the fluid at any point do not change with time) and steady-flow (the flow rate does not change with time) type problems. All of the solutions are based on some simple calculations and or on the use of the pressure-enthalpy chart or thermodynamic software. A large-size pressure enthalpy chart for methane or a thermodynamic software should be used in concern with this PE PDH Continuing Education Course. At the end of this Phase 1, a thermodynamic overview of an open expansion gate station-type liquefaction plant process is studied. This open expansion plant overview study is not rigorous in that it is based on a simplified plant process without pressure drops, it does not take into account the pinch points of process heat exchangers, and it treats natural gas as a pure substance of 100% methane. Although this is not rigorous enough to depict the actual process, it serves the intent of this professional engineer license renewal continuing education course by exercising and reinforcing the concepts presented herein.
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This PE PDH Course is given in 3 parts (Part 3 will be in 2 parts 3A and 3B).
- Part 1 is based on understanding thermodynamic concepts and using pressure enthalpy charts.
- Part 2 builds onto part 1 but uses thermodynamic software instead of pressure enthalpy charts for analysis and goes into additional depth.
- Part 3 builds on parts 1 and 2 to apply thermodynamics to understand air conditioning and refrigeration systems from ¼ hp size units to 300,000 hp size units. Part 3A focuses on pure substances and mixed refrigerant liquefaction systems. Part 3B focuses on nitrogen expansion liquefaction systems.
This Part 1 PE continuing education course introduces the professional engineer to natural gas’s origins and the production of Liquefied Natural Gas (LNG). LNG is widely used around the world. It is a very compact form of natural gas in liquid form. It is used on very cold days to supplement gas coming from the interstate pipelines to supply gas load centers like New York, Boston, and other major load areas. Natural gas (essentially the same as vaporized LNG) is the cleanest burning fossil fuel as it contains the least amount of carbon of all the fossil fuels. Thus, many electric power plants now use natural gas or convert from dirtier fossil fuels to natural gas or vaporized LNG.
As part of this Part 1, learning an open expansion natural gas liquefaction system will be analyzed in a step-by-step manner to understand how it produces liquefied natural gas. The computations will be by use of pressure enthalpy charts for methane.
Course Objectives
Upon completion of Part 1 PE CEU, the professional engineer should, at a high level, be able to understand:
- Thermodynamic terms and definitions
- What is natural gas and liquefied natural gas
- Conservation of mass
- Conservation of energy (first law of thermodynamics)
- How to read a pressure enthalpy diagram
- How to mathematically solve thermodynamic processes using a pressure enthalpy diagram
- How to solve typical processes such as:
- Constant pressure heat gain process
- Constant pressure heat loss process
- Constant enthalpy pressure reduction
- Constant entropy pressure reduction
- Compressor efficiency applications
- Expander/turbine efficiency applications
- Multi-flow path heat exchanger applications
The focus of this PE PDH class will be on the application of thermodynamics to understand liquefaction processes. A major part of this engineering PDH course will be the analysis of an open expansion natural gas liquefaction plant process which applies all the learnings of this professional engineer continuing education course.
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PDH Credits
This course is eligible for engineering PDH credits in the following states:
Be sure to review your state board’s CE licensing requirements before registering for courses. See our frequently asked questions for more information.
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