A corpus of a fluid-repellent jet-gear, submerged in ambient fluid;
- wherein a phobic-repulsing jet-effect is defined as a kind of jet-effect, occurring in a fluid near to a surface made from a fluid-repellent material;
- wherein said kind of jet-effect occurring, when nearby fluid portions, contacting with the surface, become substantially subjected to a repelling action of phobic-repulsive van der Waals forces originated by the fluid-repellent material, wherein said repelling action being appeared as both a first acceleration of the nearby fluid portions relative to said corpus of the fluid-repellent jet-gear and a second acceleration of the nearby fluid portions relative to ambient fluid portions yet to be subjected to said phobic-repulsing jet-effect;
- both said first and second accelerations occurring at the expense of said nearby and ambient fluid portions' internal heat energy,
- the phobic-repulsing jet-effect is further specified by a diversity of mechanisms resulting in the repelling action of phobic-repulsive van der Waals forces originated by the fluid-repellent material;
- the diversity of the mechanisms is at least one of:
- an electrically charged surface submerged in ionized gas or liquid functions as a fluid-repellent material;
- a magnetic surface, submerged in a diamagnetic liquid, functions as a fluid-repellent material repelling the diamagnetic liquid;
- wherein said fluid-repellent jet-gear corpus comprising a surface layer, made from a fluid-repellent material;
- wherein said surface layer having two portions:
- first and second, of a relief-structured surface, differing in fluid-repelling property and contacting with nearby portions of said fluid to provide that said nearby fluid portions contacting with at least said first portion of the fluid-repellent relief-structured surface become subjected to a repelling action of phobic-repulsive van der Waals forces originated by the fluid-repellent material, wherein said repelling action of the phobic-repulsive van der Waals forces being an uncompensated action on said nearby fluid portions to result in an acceleration of the nearby fluid portions;
- wherein said two portions:
- first and second, of the fluid-repellent relief-structured surface comprising airfoil protrusions, being shaped, arranged, and oriented asymmetrically from the point of view of directivity of the repelling action,
- thereby providing a cumulative repelling action of said phobic-repulsive van der Waals forces on said nearby fluid portions in unison and co-oriented in a prevalent direction, thereby causing said nearby fluid portions motion in said prevalent direction;
- wherein said asymmetrically shaped and oriented two portions:
- first and second, of the fluid-repellent relief-structured surface of said airfoil protrusions having a form of at least one of saw-like airfoil curved teeth, curved cogs having concave sides with parabolic sectional profiles, airfoil curved teeth-like fins, fish-scales having airfoil overall;
- wherein an overall configuration of said fluid-repellent jet-gear corpus having a substantially-airfoil orientation, aligned to said prevalent direction;
- thereby, said asymmetrically shaped and oriented two portions:
- first and second, of the fluid-repellent relief-structured surface of said airfoil protrusions provide airfoil streamlines of said nearby fluid portions moving in said prevalent direction;
- wherein said asymmetrically shaped and oriented two portions:
- first and second, of the fluid-repellent relief-structured surface of said airfoil protrusions are stationary relative to said fluid-repellent jet-gear corpus;
- wherein said overall configuration of said fluid-repellent jet-gear corpus is in a form of a wheel, shaped as circle-saw, having said saw-like airfoil curved teeth and said substantially-airfoil orientation being clockwise or inverse-clockwise,
- wherein said prevalent direction of said nearby fluid portions motion, being at least partially whirling,
- wherein said fluid-repellent jet-gear corpus is:
- stationary relative to said ambient fluid's portions, yet to be subjected to a phobic-repulsing jet-effect, or
- rotating within a portion of space, thereby moving relative to said ambient fluid's portions yet to be subjected to a phobic-repulsing jet-effect;
- wherein said fluid is at least one of a water-based liquid, an oil-based liquid, an alcohol-based liquid, and an ionized gas or liquid.