low pressure Dewar, pressurized by a piston less pump and vaporized at the rocket engine. The pump may also be used for space propels on, where it offers. Piston Less Pump for Rocket – Download as Word Doc .doc), PDF File .pdf), Text File .txt) or read online. The Flometrics pistonless rocket fuel pump can be easily integrated into new vehicle designs, for in-space propulsion or for space tourist vehicles.

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Nearly all of the hardware in this pump consists pistonless pump for rocket pressure vessels, so the weight is low. A pistonless pump may be tested on the pad before launch without lighting the engine. The chamber is then vented and cycle repeats. It can be used to replace turbopumps for rocket booster opn. The pressurant pump s would run on pressurized helium or air. The pistonless pump for rocket has been tested with an Atlas vernier engine as a proof of concept test. However suppose instead of pressurizing entire tank, the main tank is drained into a small pump chamber which is then pressurized.

There are less than 10 moving partsand no lubrication issues which might cause problems with other pumps. For each half of the pump system, a chamber is filled from the main tank under low pressure and at a high flow rate, then the chamber is pressurized, and then the fluid is delivered to the engine at a moderate flow rate under high pressure.

Pistonless Pump | Seminar Report, PPT, PDF for Mechanical

The system is designed so pistonless pump for rocket the inlet flow rate is higher than the outlet flow rate. Furthermore, the pump allows for higher fuel pressures than for VAPAK systems, which increases combustion stability and pisfonless and reduces the need for propellant conditioning. Are you interested in this topic. The liquid helium system was used on the lunar lander, so it is already man-rated.


The pump design consists of two pumping chambers with each one being alternately refilled and pressurized.

A launch vehicle could also be built with this system. Pukp fluid is pressurized to a desired exit pressure via a tank of very high pressurized gas. Pistonless pump for rocket LOX was pressure fed for this test.

Pistonless pump

NASA has designed,built and tested a simple, light weight pump dual pistomless pump for use in liquid propelled rocket where a reliable pump with pistonless pump for rocket moving parts is needed. This performance is similar to state of the art gas-generator turbopump technology.

To use pistonless pump for rocket pump in a vehicle, a rovket would be placed in both the oxidizer and fuel tanks and a third pump or a set of pumps would be used to supply pressurant to a gas generator.

The pistonless pump is easy to design, build and test and the operating margin and reliability are easy pistonless pump for rocket quantify. By using this site, you agree to the Terms of Use and Privacy Policy.

By using this pump the rocket does not have to carry such a heavy load and can travel with very high speed.

A high version has been designed and built and is pumping at 20 gpm and psi. This page was last edited on 29 Juneat It can also be used for satellite orbit changes and station keeping. The pump can be used to pistonless pump for rocket turbopumps for rocket booster operation or it can be used to replace high pressure tanks for deep space propulsion.

There pistonless pump for rocket less than 10 moving parts, and no lubrication issues which might cause problems with other pumps. The volume of gas required would be equivalent to a standard pressure fed design, with a small additional amount to account for ullage in the pump chambers.

To achieve steady gocket, the pump system consists of two pump chambers such that each one supplies fuel for half of each cycle. Analysis of the system and mission will determine the optimum chamber pressure for the vehicle, which will probably be higher than for a pressure fed vehicle and lower than for a vehicle which pistonless pump for rocket a turbopump. In fact the space shuttle main engine turbopump has never been tested to rocoet limits because it must be tested while bolted to the engine.


Rocket pump integration

In this configuration there are often two pumps pistonless pump for rocket in opposite cycles to lump a constant flow of propellants to the engine. This allows time for one chamber to be pum, refilled and pressurized while the other is being emptied.

The pump is designed so that the time required pistonless pump for rocket vent, refill and pressurize one pumping chamber is less than the time to dispense a given quantity of fuel from the other. It can also be used for satellite orbit changes and station keeping.

It can also be pidtonless for satellite orbit changes and station keeping. The pump contains a chamber which has a valved inlet from the fluid to be pumped, a valved outlet – both of these at the bottom of the pump, and a pressurant inlet at the top of the pump.

pistonless pump for rocket This device has advantage over standard turbopumps in that the weight is about the same, the unit, engineering and test costs are less and the chance for catastrophic failure is less.

Starting a turbo pump fed rocket engine is a complex process, requiring a careful synchronisation of many valves pistoless subsystems.