Maria-Costina AVĂDANEI


32-19 PARTICULARITĂŢI PRIVIND PERTURBAȚIILE AERODINAMICE ÎN JURUL CORPURILOR SUBŢIRI CARE ZBOARĂ ÎN ATMOSFERĂ

PARTICULARS RELATING TO SPEED DISTURBANCES AROUND BODIES FLYING THIN ATMOSPHERE

 

               The paper presents a contribution to the aerodynamic body of revolution movement trajectories in the thin atmosphere. As a particular case, the paper refers to flying projectiles and missiles, to customize linarite stationary movements around thin bodies of revolution.

 

Key words: projectile, rocket, potential speeds, Mach number, angle of attack

Cuvinte cheie: proiectil, rachetă, potenţialul vitezelor, numărul Mach, unghi de atac

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30-68 ASPECTE PRIVIND CARACTERISTICILE STRATULUI LIMITĂ TERMIC LA MOTOARELE RACHETĂ

ASPECTS CONCERNING THE CHARACTERISTICS OF THE
LAYER LIMIT THE HEAT SHIELD AT THE ROCKET MOTORS
The work addresses the results of recent research on the influence of
the characteristics of the layer thermal limit on energy yields of the motors
missile.
Keywords: gas jet, thermal boundary layer, engine rocket, nozzle, heat
transfer, Reynolds number
Cuvinte cheie: jet de gaze, strat limită termic, motor rachetă, ajutaj,
transfer termic, număr Reynolds

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27-60 CONSIDERAŢII PRIVIND UTILIZAREA EFECTULUI CUMULATIV AL JETURILOR DE GAZE LA PERFORAREA BLINDAJELOR

CONSIDERATIONS FOR USE CUMULATIVE EFFECT
OF GAS STREAMS PUNCTURE ARMOR
This paper presents an application of the linear characteristics of the fumes generated by the chemical reaction of burning of explosives, the cumulative effect. By directing the energy of the explosion we obtain a jet of gas able to penetrate machines fight casings.
Keywords: jet gas, explosive, cumulative jet, armour, fighting machine, surge, movement potential
Cuvinte cheie: jet de gaze, exploziv, jet cumulativ, blindaj, maşină de luptă, undă de şoc, mişcare potenţială

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26-32 FENOMENE GAZODINAMICE CARE ÎNSOȚESC EXPLOZIILE ÎN MEDII LICHIDE

GAZODINAMICS PHENOMENA ACCOMPANYING
BURSTS INTO LIQUID MEDIUM
This work makes a major contribution to the interpretation of
phenomena due dynamic phenomena in gases explosions which take place in
gaseous environment. Theoretical and practical considerations provide a path
to be followed for designers and constructor’s explosive systems intended for
the aquatic environment.
Keywords: explosion, the shock wave, the wave front, adiabatic
exponent, viscosity, potential motion
Cuvinte cheie: explozie, undă de șoc, front de undă, exponent
adiabatic, vâscozitate, mișcare potențială
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19-86 CONSIDERAŢII PRIVIND CURGEREA GAZELOR PRIN TUBURI CU DIAMETRE MICI

CONSIDERATIONS ON GAS FLOW THROUGH SMALL
DIAMETER TUBES
The paper refers to the study of movement of gas through small
diameter tubes. It customizes the case when the movement is considered onedimensional
mass-exchange, heat and mechanical work outside. Research
results are a tool in the design of small diameter pipes weapons.
Keywords: mass flow, one-dimensional motion, ballistics, power line
Cuvinte cheie: debit masic, mişcare unidimensională, balistică, linie de curent

86 CONSIDERAŢII PRIVIND CURGEREA GAZELOR


24-39 ASPECTE PRIVIND ANALIZA FENOMENELOR DE POLUARE PRODUSĂ DE MIJLOACELE DE TRANSPORT

ASPECTS OF THE ANALYSIS OF NUISANCES OF
POLLUTION PRODUCED BY MEANS OF TRANSPORT
The work shall be having some ways of analysis of the chemistry of
internal combustion engines of the means of transport. The results obtained
allow the assessment variation in time of noise nuisance concentrations in the
atmosphere free.
Cuvinte cheie: difuzia gazelor, concentraţie, coeficient de difuzie,
gradienţi de concentraţie, nor poluant, elemente finite
Key words: diffusion, gas concentration, diffusion coefficient, the
concentration gradients, cloud, finite elements

39 ASPECTE PRIVIND ANALIZA FENOMENELOR DE POLUARE PRODUSĂ DE MIJLOACELE DE TRANSPORT


22-12 UNELE PARTICULARITĂŢI PRIVIND FENOMENELE AERODINAMICE ÎN JURUL CORPURILOR SUBŢIRI CARE ZBOARĂ ÎN ATMOSFERĂ

The paper presents a contribution to the aerodynamic body of
revolution movement trajectories in the thin atmosphere. As a particular case,
the paper refers to flying projectiles and missiles, to customize linearization
stationary movements around thin bodies of revolution.
Cuvinte cheie: proiectil, rachetă, potenţialul vitezelor, numărul Mach,
unghi de atac
Keywords: projectile, rocket, potential speed, Mach number, angle of
attack

12 UNELE PARTICULARITĂŢI PRIVIND FENOMENELE