Definition of Ullagal. Meaning of Ullagal. Synonyms of Ullagal

- Ullage or headspace is the unfilled space in a container, particularly with a liquid. The word ullage comes from the Latin word oculus, used by the Romans...
- Ullage motors (also known as ullage engines or ullage rockets) are relatively small, independently fueled rocket engines that may be fired prior to main...
- Ullage (from the French ouillage) is a winemaking term that has several meanings but most commonly refers to the headspace of air between wine and the...
- As propellant is drained from its tank, something must fill the vacated ullage space to maintain pressure inside the tanks. This is for two reasons: first...
- fire-****ant. Another minor use is in rocketry, where helium is used as an ullage medium to backfill rocket propellant tanks in flight and to condense hydrogen...
- infeasible at the time. The upper stages also used small solid-propellant ullage motors that helped to separate the stages during the launch, and to ensure...
- small Auxiliary Propulsion System (APS) thruster modules were added as ullage motors for restarting the J-2 engine and to provide attitude control during...
- control authority is provided by cold gas thrusters fed with residual ullage gas. Four perpendicular vents are located within the interstage, placed...
- control authority is provided by cold gas thrusters fed with residual ullage gas. Four perpendicular vents are located within the interstage, placed...
- in the barrel. Under this same traditional style of winemaking, a large ullage or air space would emerge in the barrel and oxidation took place. This gave...