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This device was invented by the American inventor W. Skinner to circumvent the law of conservation of energy. Of course, he failed to do this, but at the same time he got an energy storage device with resonant pumping. Key words: moment of inertia, moment of impulse, resonance, planetary gear. Thank you for your interest in our work! If you like what we do, please support our Patreon channel: https://lnkd.in/gk429kHy Our partners: https://airvoice.global Airvoice produces comprehensive air quality monitoring networks and services for urban areas; digital twins and monitoring networks to forecast and manage air quality for industries; indoor air quality monitoring and management system for buildings. https://dnair.in DNAir brings to the Indian market unique air supply technology for clean and healthy indoor climate. Breathe Himalayan-like air even in Central Delhi.

Angular momentum is a measure of rotational motion, similar to impulse for translational motion. If external torques act on the system, the angular momentum of the system is conserved. Key words: angular momentum, moment of inertia, moment of force. Our partners: https://airvoice.global Airvoice produces comprehensive air quality monitoring networks and services for urban areas; digital twins and monitoring networks to forecast and manage air quality for industries; indoor air quality monitoring and management system for buildings. https://dnair.in DNAir brings to the Indian market unique air supply technology for clean and healthy indoor climate. Breathe Himalayan-like air even in Central Delhi.

We calculate the power of a free-flow hydroelectric power station and compare it with the power of a conventional flat hydroelectric power station. Our partners: https://airvoice.global Airvoice produces comprehensive air quality monitoring networks and services for urban areas; digital twins and monitoring networks to forecast and manage air quality for industries; indoor air quality monitoring and management system for buildings. https://dnair.in DNAir brings to the Indian market unique air supply technology for clean and healthy indoor climate. Breathe Himalayan-like air even in Central Delhi.

The video examines the operation of wind turbine blades and a toy paper helicopter. It turns out that a helicopter with 2, 3, 4, 5 blades with the same mass goes down at the same speed as a parachute of the same diameter. Therefore, already 2 blades provide an effective removal of energy from the oncoming air flow. Our partners: https://airvoice.global Airvoice produces comprehensive air quality monitoring networks and services for urban areas; digital twins and monitoring networks to forecast and manage air quality for industries; indoor air quality monitoring and management system for buildings. https://dnair.in DNAir brings to the Indian market unique air supply technology for clean and healthy indoor climate. Breathe Himalayan-like air even in Central Delhi.

What is the maximum power that can be obtained from a wind turbine with a given blade length at a given wind speed? Keywords: Betz limite, wind turbine Our partners: https://airvoice.global Airvoice produces comprehensive air quality monitoring networks and services for urban areas; digital twins and monitoring networks to forecast and manage air quality for industries; indoor air quality monitoring and management system for buildings. https://dnair.in DNAir brings to the Indian market unique air supply technology for clean and healthy indoor climate. Breathe Himalayan-like air even in Central Delhi.

The video examines the physical principles of operation of the Darrieus rotor, the most common and efficient type of vertical-axis windmill. An experiment is being made with a model of such a rotor. And although the aerodynamic quality of its blades is low, and it spins up to a speed ratio of 1:1, nevertheless, some interesting effects can be observed with it. Key words: Darrieus wind turbine, Darrieus rotor. D.N. Gorelov "Energy characteristics of the Darrieus rotor" https://lnkd.in/g-hPEiwX Our partners: https://airvoice.global Airvoice produces comprehensive air quality monitoring networks and services for urban areas; digital twins and monitoring networks to forecast and manage air quality for industries; indoor air quality monitoring and management system for buildings. https://dnair.in DNAir brings to the Indian market unique air supply technology for clean and healthy indoor climate. Breathe Himalayan-like air even in Central Delhi.

How to ensure uniform flow of water from a vessel in which the water level is constantly decreasing? This problem was solved by Edmus Marriott in the 17th century. Our partners: https://airvoice.global Airvoice produces comprehensive air quality monitoring networks and services for urban areas; digital twins and monitoring networks to forecast and manage air quality for industries; indoor air quality monitoring and management system for buildings. https://dnair.in DNAir brings to the Indian market unique air supply technology for clean and healthy indoor climate. Breathe Himalayan-like air even in Central Delhi.

We solve the problem of average movement speed with a very unusual condition, and propose to explain the result obtained. Our partners: https://airvoice.global Airvoice produces comprehensive air quality monitoring networks and services for urban areas; digital twins and monitoring networks to forecast and manage air quality for industries; indoor air quality monitoring and management system for buildings. https://dnair.in DNAir brings to the Indian market unique air supply technology for clean and healthy indoor climate. Breathe Himalayan-like air even in Central Delhi.

The Tacoma Bridge disaster of November 7, 1940, is an example of a self-oscillating aeroelastic system that developed dynamic loads that the bridge was not designed to withstand. Keywords: self-oscillations, feedback, aeroelasticity, Karman path. Our partners: https://airvoice.global Airvoice produces comprehensive air quality monitoring networks and services for urban areas; digital twins and monitoring networks to forecast and manage air quality for industries; indoor air quality monitoring and management system for buildings. https://dnair.in DNAir brings to the Indian market unique air supply technology for clean and healthy indoor climate. Breathe Himalayan-like air even in Central Delhi.

The frequency of sound vibrations in the Oppelt siren is determined by the frequency of interruption of the stream. The source of sound when the rope rotates is the pressure pulsations during the formation of the Karman vortex street. Our partners: https://airvoice.global Airvoice produces comprehensive air quality monitoring networks and services for urban areas; digital twins and monitoring networks to forecast and manage air quality for industries; indoor air quality monitoring and management system for buildings. https://dnair.in DNAir brings to the Indian market unique air supply technology for clean and healthy indoor climate. Breathe Himalayan-like air even in Central Delhi.