alexa Performance Analysis of a Helium Turbo-expander for Cryogenic Applications with a Process Modeling Tool: Aspen HYSYS
ISSN: 2168-9873

Journal of Applied Mechanical Engineering
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Research Article

Performance Analysis of a Helium Turbo-expander for Cryogenic Applications with a Process Modeling Tool: Aspen HYSYS

Joshi DM*

Instrumentation and Control Department, Government Polytechnic College, Ahmedabad, India

*Corresponding Author:
Joshi DM
Lecturer, Instrumentation and Control Department
Government Polytechnic College, Ahmedabad, India
Tel: (079) 26301285
E-mail: [email protected]

Received Date: January 27, 2017; Accepted Date: March 06, 2017; Published Date: March 10, 2017

Citation: Joshi DM (2017) Performance Analysis of a Helium Turbo-expander for Cryogenic Applications with a Process Modeling Tool: Aspen HYSYS. J Appl Mech Eng 6:259. doi: 10.4172/2168-9873.1000259

Copyright: © 2017 Joshi DM. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Cryogenic system refers to interacting group of components involving low temperature. Cryogenic engineering deals with the development and improvement of low temperature techniques, processes, and equipment. They are applicable to helium refrigerators and various liquefiers. Nowadays, the energy crisis has forced the need to recover the energy which is normally wasted in other industrial processes. Reduction of gas pressure is one of such process in which there is a high loss of energy. To prevent such high wastage of energy, Turbo-expander which is the heart for the production of low temperature by reducing the pressure to a low value, has been introduced in the industries. Turbo-expanders are used in almost every segments of the oil and gas industry to produce Cryogenic refrigeration. Before implementation of such a critical component in the plant, it is necessary to carry out the performance analysis of turbo-expander.

In this paper, a process simulator called Aspen HYSYS is used for the analysis of Helium turbo-expander (Helium gas is taken as a process sample gas) and detailed observation is carried out for checking the performance of helium turbo-expander at various adiabatic efficiencies. The results provide useful indications on the selection of turboexpander to obtain required output at various efficiencies with variation in temperature. Keeping the constraints of the plant in mind, this analysis can thus result in the design of an efficient productive plant


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