Abstract: A method and a device for imitating an artificial geyser that are simple and inexpensive in realization. The artificial geyser device comprises a sealed container located preferably underground in a shallow recess and filled with water. The container is provided with a heater for heating water to the level of boiling and with a common discharge pipe, one end of which is located in the container and can be adjusted with regard to the level of water while the opposite end extends to the atmosphere in the form of an eruption pipe with a supersonic nozzle on the output end. The common discharge pipe passes over the open ends of the U-shaped pipe arrangement. The device has a group of valves that selectively may change the direction of the eruption flow for passing to the atmosphere only through the common discharge pipe, only through the U-shaped arrangement, or through both simultaneously.

Abstract: A method and a device for imitating an artificial geyser that are simple and inexpensive in realization. The artificial geyser device comprises a sealed container located preferably underground in a shallow recess and filled with water. The container is provided with a heater for heating water to the level of boiling and with a common discharge pipe, one end of which is located in the container and can be adjusted with regard to the level of water while the opposite end extends to the atmosphere in the form of an eruption pipe with a supersonic nozzle on the output end. The common discharge pipe passes over the open ends of the U-shaped pipe arrangement. The device has a group of valves that selectively may change the direction of the eruption flow for passing to the atmosphere only through the common discharge pipe, only through the U-shaped arrangement, or through both simultaneously.

Abstract: The invention relates to methods of sealing of pipeline joints operating with cryogenic liquids. The method is realized with the use of a tape of a porous structuring material that may be dry or impregnated with a liquid having a freezing point above the temperature of a cryogenic fluid in the pipeline. The material of the tape and the impregnating liquid are inert to the cryogenic fluid and to the environment. The method consists in that prior to filling the pipeline with the cryogenic fluid, the tape is tightly wrapped around the joint or an area that is at risk of a damage or puncture, the wrapping is then wetted by pouring on it the same liquid that was used for impregnation, and then the cryogenic fluid is fed to the pipeline for freezing the liquid that is contained in the tape for forming a tight frozen seal around the joint.

Abstract: The invention relates to methods of sealing of pipeline joints operating with cryogenic liquids. The method is realized with the use of a tape of a porous structuring material that may be dry or impregnated with a liquid having a freezing point above the temperature of a cryogenic fluid in the pipeline. The material of the tape and the impregnating liquid are inert to the cryogenic fluid and to the environment. The method consists in that prior to filling the pipeline with the cryogenic fluid, the tape is tightly wrapped around the joint or an area that is at risk of a damage or puncture, the wrapping is then wetted by pouring on it the same liquid that was used for impregnation, and then the cryogenic fluid is fed to the pipeline for freezing the liquid that is contained in the tape for forming a tight frozen seal around the joint.

Abstract: The invention relates to an ignition system for an internal combustion engine (ICE) that provides fast transfer from a laminar combustion in an ignition kernel to a self-sustaining turbulent flame propagation, thus leading to a reduction in the total time of combustion. The effect is achieved by transiently attacking the ignition kernel with a high-frequency (HF) electromagnetic radiation pulse, which is quasiperiodically modulated with 10-1000 kHz frequency in the initial period of combustion (50-500 .mu.s) following the ignition. Radiation is absorbed by electrons existing only inside the ignition kernel during the initial stage of its development. Due to thermal inertia, the medium perceives the oscillations on the frequency of modulation, whereby the surface of the kernel is developed and is split into separate fractions. This causes transfer from laminar to turbulent bulk combustion.