= Air flows radially outward between the two parallel circular plates shown in the figure below. The pressure at the outer radius, R₁ = 5 cm, is atmospheric. Find the pressure at the inner radius R₁ = 0.5 cm, if the air density is constant, the air flow is inviscid, the volume flow rate is 4.0 L/s, and the plate spacing is h = 0.125 cm. Po-Patm =101.3 kPa T = 20°C h R₁

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Fire safety

Fire safety is a new domain emerged in the early 90s to enable the design of buildings, structures, and infrastructure against destruction through fire. It also includes the provisions of building codes. This field is mostly associated with the design and efficient planning of a building, to reduce the destruction caused by fire. The branch of engineering that deals with it for the safety of the buildings from destruction of fire, is known as fire safety engineering.