Accession Number : AD0642098

Title :   FLUID-STATE FUZING SYSTEM.

Descriptive Note : Rept. for May-Jul 66,

Corporate Author : AIR FORCE WEAPONS LAB KIRTLAND AFB N MEX

Personal Author(s) : Bickel,James E. ; Cowherd,William R.

Report Date : NOV 1966

Pagination or Media Count : 35

Abstract : The study determined the temperature and mass flow-rate variation of a gas out of a system which included a cold-gas storage bottle, a pressure regulator, and a flow restrictor. These analyses were based on a polytropic expansion in the storage bottle, a throttling process across the pressure regulator in which the departure from an ideal gas was taken into account, and the choke-flow relationship for determining the mass flow out of the system. The variation in the compressibility factor for a real gas was included in these analyses. Results presented are for gaseous nitrogen. Various tank volumes, coefficients of expansion, and both constant and variable flow rates were considered. The variable flow-rate case assumed no heat transfer between the gas and the plumbing which separates the pressure regulator and flow restrictor, i.e., the stagnation gas temperature upstream of the flow restrictor was the same as gas temperature just downstream of the pressure regulator. From these results it is concluded that for the storage bottle volumes and mass flow rates considered, a significant variation in the gas temperature and mass flow rate out of the system is experienced. To determine the feasibility of utilizing a cold-gas storage bottle supply in any system design, the effect of these variations on the system performance must be considered. (Author)

Descriptors :   (*GAS FLOW, THERMODYNAMICS), MASS TRANSFER, CONTAINERS, FLUIDS, HYDRAULIC EQUIPMENT, FLUID AMPLIFIERS, VOLUME, PRESSURE

Subject Categories : Fluidics and Fluerics

Distribution Statement : APPROVED FOR PUBLIC RELEASE