MARC record from Internet Archive

LEADER: 02094nam 2200301 a 45 0
001 a192124
008 971120s1987 caua b f000|0 eng d
040 $aCMontNP$cCMontNP
086 0 $aD 208.14/2:NPS-72-87-002CR
100 1 $aFalcovitz, Joseph.
245 10 $aTransient reactive exhaust flow from a ring-symmetric HF/DF space laser /$cby Joseph Falcovitz.
260 $aMonterey, Calif. :$bNaval Postgraduate School ;$aSpringfield, Va. :$bAvailable from National Technical Information Service,$c[1987]
300 $avi, 45 p. :$bill. ;$c28 cm.
500 $aTitle from cover.
500 $a"NPS-72-87-002CR."
500 $a"March 1987."
500 $aAD A179 208.
504 $aIncludes bibliographical references (p. 18-19).
520 $aTransient diffuser flow in an HF/DF laser is analyzed via a simplified model. A radial laser configuration is assumed where the diffuser is idealized as a ring-symmetric channel of uniform width. The outward radial flow following an abrupt start-up of diffuser inflow is computed numerically using a GRP-type code for integrating the Euler equations, which include an ongoing reaction of hydrogen recombination. A new kinetic scattering effect is suggested, resulting from the recoil of an HF or DF molecule assisting as third body in the hydrogen recombination reaction. The main conclusion is that transient diffuser plume flow effects do not drastically aggravate the potential for contaminating backflow (HF + DF) caused by either thermal or kinetic backscattering. Keywords: Laser exhaust; Spacecraft contamination; Chemical laser; Exhaust plume, Hydrogen recombination; Transient flow.
592 $aaq/aq cc:9116 11/20/97
650 4 $aCHEMICAL LASERS.
650 4 $aHYDROGEN FLUORIDE LASERS.
650 4 $aSPACECRAFT.
650 4 $aEXHAUST GASES.
710 2 $aNaval Postgraduate School (U.S.).$bSpace Systems Academic Group.
740 01 $aNPS-72-87-002CR.
926 $aNPS-LIB$bDIGIPROJ$cD 208.14/2:NPS-72-87-002CR$dBOOK$eNEVER$f1
926 $aNPS-LIB$bFEDDOCS$cD 208.14/2:NPS-72-87-002CR$dBOOK$f2