… In this paper a miniature a needle valve, small enough to be used parallel connected as
discrete control notch consisting only one size of on/off-valves, is designed and its performance …

… flow through needle valve has many shortcomings. This is because needle valve introduces
… As a consequence, flow erosion and flow-induced deformation both present in needle valve…

… operation of the vane-less needle valve and the vaned needle valve with a camber angle of
… for the ring-less needle valve and the vaned ring needle valve with a camber angle of 90, it …

… injector, occurring during the early opening period of the needle valve (from 2 μみゅーm to 80 μみゅーm),
… was used for modelling the injector’s needle valve movement. Friction-induced heating was …

… needle valve approach for flow control in a FGF system that uses flexibly connected screw
extruders. The addition of a needle valve … The needle valve is actuated by one of the 3D printer…

… Needle valve is widely used for flow control in industry. Changing the flow area, which is a
… of flow through the needle valve can be controlled. The gap of needle valve is less than one …

… needle valve movement: The needle valve starts to upstroke moment (A); The needle valve
… (B); The needle valve fully open moment (C); The needle valve starts to downstroke moment …

A SATISFACTORY adjustable needle valve for admitting a small constant flow of gas into a
highly exhausted vessel is difficult to make. A number of ingenious forms have been …

… In this study, the effect of different needle valve opening ratios on the rarefied flow … Due
to the extremely small needle valve displacement of the nozzle (minimum needle valve …

… As for the motion of the needle valve, the light reflected by the end of the needle valve was
observed as a white sharp image. The motion of the needle valve, therefore, was estimated …