l 利用射流的附壁效应（coanda效应）为主要影响因素，将惯性力、离心力和悬浮力进行有效的组合，设计成一种新奇的超细粉射流分级机。实践证实，该分级机达到了高效、高精度，可同时分级3种(粗、中、细粉)级别产品的功能。 l 本机无任何运动部件，工作 ...
Not long after Dyson unveiled their “bladeless” fan, a fairly steady stream of ever cheaper clones have been hitting the market. But this 3D printed version created by [Elite Worm] must surely ...
Applications of the Coanda Effect When a liquid or gas flows along a solid surface, it tends to stick to the surface. This effect, named for a Romanian aircraft pioneer, has potential uses in such ...
The main components required are a foam cone, a pump, a tank, and an air supply. This guide is just one way to produce a foam machine, with an aim towards using cheap and readily available components.
Sump pump installation is a smart and relatively easy way to prevent water damage and keep your home dry. A sump pump can prevent soggy carpets, mold formation, and even electrical or structural ...
Piston pumps and plunger pumps are reciprocating positive displacement pumps that use a plunger or piston to move media through a cylindrical chamber. They are also called well service pumps, high ...
An air source heat pump is an alternative way to heat your home. It will help you reduce your impact on the environment and potentially save you money on your energy bills in the long run. Heat pumps ...
Luckily, there’s a way to prevent water damage, even during some flooding: installing a sump pump. Sump pumps are a straightforward and convenient way to keep water from damaging your basement ...
New gas boilers will be banned for most households from 2035, as the UK switches to heat pumps to help cut greenhouse gas emissions. But despite the availability of grants of £7,500 in England ...
Erin Gobler is a personal finance writer based in Madison, Wisconsin. She writes about topics including budgeting, student loans, credit, mortgages, investing and insurance. Her work has been ...
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