| Summary: | This paper discusses the problem of virtual lab capabilities in the e-learning. Using combination of web conferencing and "virtual labs" capabilities, a new quality distance learning teaching is now in preparation and will be included in the course teaching to produce interactive, online simulations for the natural gas engineering studies. The activities are designed to enhance the existing curriculum and to include online assessments. A special care is devoted to the security problem between a server and a client computer. Several examples of the virtual labs related to the PVT thermodynamics, fluid flow, the natural gas well-testing, and thev gas network flow are prepared and tested. A major challenge for the 'CELGAS' system is in managing the delicate balance between the student collaboration and the isolation. Students may be encouraged to collaborate and work with each other, simulating their exploration of the lab material.
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