Work of breathing When there is increased gas flow resistance, the optimal respiratory rate decreases. This work (generally during the inhalation phase) is stored as potential energy which is recovered during exhalation. A pressure difference is required to overcome the frictional resistance to gas flow due to viscosity, and to provide non-elastic components of movement of the airway tissues to accommodate pulmonary volume change. Total work done against non elastic forces is 35% of total. Work is defined as a force applied over a distance. The SI unit of work is the Joule, equivalent to a force of 1 Newton exerted along a
Energy Research Institute of Russian Academy of Sciences divided into the following research areas: The Institute’s work is based on complex mathematical modeling, a unique database, and advanced computer technologies. Today, ERIRAS is a major scientific center that is at the forefront of fundamental and applied research. The knowledge produced by ERIRAS provides the basis for energy development forecasting and policy in Russia, the CIS, and for international energy markets. Energy Research Institute of Russian Academy of Sciences Founded in July 1985, the Energy Research Institute of the Russian Academy of Sciences (ERIRAS) was originally an outgrowth of the general energy department at Institute for High Temperatures RAS