DOI: https://doi.org/10.37129/2313-7509.2025.23.18

UDC 621.43.019.4:621.43.019.8

¹Military Institute of Armored Forces of NTU «Kharkiv Polytechnic Institute», Ukraine

²Odesa Military Academy, Ukraine

PROSPECTS FOR THE DEVELOPMENT OF PULSATING DETONATION MOTORS. DIFFICULTIES IN THEIR IMPLEMENTATION

The use of pulsating detonation engines in the future will make it possible to use compact mass-sized installations on land, in water, in the air, as well as in space, which differ significantly in efficiency from gas turbine ones. One of the issues that needs to be addressed is the reduction of energy losses for direct detonation initiation.

Detonation technologies are critical technologies. These technologies can also be implemented in powerful pulsed detonation lasers. On the basis of pulsed detonation systems, compact combat gas-dynamic lasers with an average power of 100 kW and higher can be created and placed on lightly armored objects. With this power, lasers provide high-precision destruction of enemy manpower and disable lightly armored objects. Due to the formation of radiation in the far infrared zone (wavelength 10.6 microns) in the range of the air transparency window, targets at a distance of 1500 meters and more can be destroyed.

For the practical realization of a detonation laser, the problem of energy-efficient periodic initiation of detonation needs to be solved. It has been established that there is a contradiction in determining the critical (minimum) energy for initiating detonation by a spark discharge. This contradiction is caused by the difficulty of determining the amount of spark discharge energy that directly ensures the initiation of detonation due to the presence of discharge energy losses on the internal resistance of the source and the external electrical circuit, electrode losses, and discharge energy absorption as a result of dissociation and ionization processes. Higher output power is achieved by increasing the efficiency of the amount of energy released per cycle and the frequency of cycles.

Keywords: detonation engine, detonation, deflagration, energy, temperature, speed, gas.

FULL TEXT

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Стаття надійшла до редакції: 14.05.2025