RU2003118799A - INTER-ORBITAL TRANSPORT MODULE WITH CHEMICAL ACCELERATION UNIT AND ELECTRIC ROCKET MOTOR UNIT FOR DELIVERY OF USEFUL LOAD TO A GEOSTATION ORBIT - Google Patents

Claims (2)

Interorbital transport module with a chemical booster block and an electric rocket propulsion system for delivering payload to geostationary orbit. 1. An interorbital transport module with a chemical booster unit and an electric rocket propulsion system for delivering payload to a geostationary orbit containing a chemical booster block including a cruise, mainly a liquid propellant rocket engine, fuel tanks, service systems with an onboard power supply and a transition farm with a system for separating a chemical booster unit from an electro-rocket transport module and an electro-rocket transport module including an electro-rocket navigational installation, tanks with a working fluid, mainly xenon, an instrument compartment, service systems, including a transport module control system, an on-board cable network, a payload separation system and an electric power supply system, mainly with a solar gas-turbine power plant for supplying power to an electric rocket propulsion system, characterized in that instead of a chemical booster block, a superconducting linear geomagnetic motor built into the electric rocket transport module is used l receiving power from the aforementioned solar gas turbine power plant and including a rectangular coil with two long and two short sides, the winding of which is made of a multi-core composite high-temperature superconducting wire, is equipped with cooling channels and placed in a cryostat with internal and external walls made of durable non-magnetic material and with multilayer screen-vacuum insulation between the walls of the cryostat, an open magnetic circuit and a thin sheet soft magnetic about the material in the form of two U-shaped structures, reinforced with a power frame made of durable non-magnetic material and joined together by their peaks, which in the working position are parallel to the vertical component of the geomagnetic induction in the _SS and equipped with an “air” gap of height δ _M and length 1 _M ≈ 1 _D bounded by parallel to each other rectangular poles tips of magnetically soft material with a width of δ _In approximately equal to the size of the transverse, mainly square section placed in the ″ air gap ″ the long side of the rectangular coil, and the four lateral planes of the aforementioned U-shaped structures of the open magnetic circuit in the working position are perpendicular to the vertical component of the geomagnetic induction and parallel to the circular orbital velocity ν _{cr of the} transport module with the payload, a cryogenic unit connected to the cooling channels of the rectangular coil by heat-insulated pipelines, and with a power supply system of the transport module - electric wires, power subsystem superconducting supplying a rectangular coil from an adjustable output voltage converter of a solar power plant to a period average output voltage, measured according to the required law, mainly based on a thyristor inverter of adjustable frequency or a transistor inverter with pulse-width modulation of the output voltage with a transformed output, the secondary winding of the transformers of which is equipped with a tap from midpoint connected via a blocking contactor to one of the leads of the winding straight a single-phase coil and a single-phase two-phase rectifier on two diodes, the anodes of which are connected to the extreme terminals of the secondary winding of the said transformers, and the cathodes are connected to the other terminal of the winding of the rectangular coil, and when the transport module with the payload moves from the initial low circular orbit to a high geo-transition complimentary to it an orbit up to 10,000 km in height the traction force of the transport module is created by a superconducting linear magnetic motor when the transport module moves from a high geo-transition orbit to traction force is generated in a stationary orbit by an electric propulsion system, and the control outputs and inputs of the transport module control system are connected to the control outputs and inputs of the rectangular coil power supply system and to the sensors of electrical, magnetic and thermal parameters of a superconducting linear geomagnetic engine. 2. The interorbital transport module according to claim 1, characterized in that, for the transitional orbits of the transport module between the initial and final geo-transitional orbits with an angle φ _{Г of} their inclination relative to the geomagnetic equator independent of the height h, the constant _{average orbital} traction force of the superconducting linear geomagnetic engine F _LDsr (h) = const constant current on each R-th orbit of the transitional orbit, the current I _R (h) in the rectangular coil and the average over the period of measurement of the output current of the aforementioned inverters of adjustable frequency or from by pulse modulation of the output voltage, their output voltage, depending on the height h of the transitional orbit, is changed by the transport module control system according to the laws defined by the following expressions:

and

where In the _VIZ is the maximum magnetic induction in the Rth transitional orbit above the geomagnetic poles of the Earth, decreasing with increasing h; and φ is the elevation angle of the transport module in orbit, measured from the geomagnetic equator; In _VIZ Sinφ _G is the maximum vertical component of geomagnetic induction at the polar apex of the orbit, calculated by the on-board computer from the previous measured on-board magnetometers. 1 _D is the average length of the long side of a rectangular coil;

- the ratio of the concentrated vertical component in the “air” gap with a height of o _m and a width of _bm at the vertices of the u-shaped structures with a height of h _{mb of an} open magnetic circuit to the vertical component of geomagnetic induction in the other (outside the “air” gap) long side of the rectangular coil approximately equal to the vertical component of geomagnetic induction in the _pollutant outside the linear geomagnetic motor; W is the number of turns in a rectangular coil; in _m - the width of one of the four lateral planes of the U-shaped structures of the open magnetic circuit;

- circular orbital velocity in m / s with an orbit height h in km, the average radius of the Earth R _З = 6371 km and the gravitational constant of the Earth K _G squared $\genfrac{}{}{0ex}{}{\text{2}}{\text{g}}$ = 398620 km ³ / s ² ; AU _D = U _F + r _Дg I _R (h) is the voltage drop across the diode of a single-phase two-phase rectifier with its threshold voltage U _F and differential resistance r _Дg , and the transition to a new current value I _{(R + 1)} corresponding to the next adjacent (R +1) -th orbit is carried out by a jump-like increase by approximately Δ U _{D of the} output voltage

_tr (h) of the transformers of the mentioned inverters and short-term (from several hundredths to several tenths of a second) maintaining it unchanged, after which the voltage

_mp (h) is abruptly reduced to the value determined by the above expression.