This document provides a security framework for the MPLS Transport Profile (MPLS-TP). MPLS-TP extends MPLS technologies and introduces new Operations, Administration, and Maintenance (OAM) capabilities, a transport-oriented path protection mechanism, and strong emphasis on static provisioning supported by network management systems. This document addresses the security aspects relevant in the c...

Mechanical seals continue to be the predominant technology for shaft sealing in centrifugal pumps and other rotating equipment. While most mechanical seals are designed to operate on a liquid film, there are options for designing seal faces which function reliably while operating on a hydrodynamic gas film. In a dual pressurized seal (Arrangement 3), gas seals can provide unique benefits in ter...

concerns related to climate change and security of energy supply is pushing various countries to make strategic energy planning decisions. in this regard, energy system modelling is an appropriate method to find out the utilization of current declining non-renewable energy resources and other possible scenarios. consequently, it is available to consider various aspects of energy system decision...