fuel cells

الإنجليزية - التركية

تعريف fuel cells في الإنجليزية التركية القاموس.

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المصطلحات ذات الصلة

fuel cell

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fuel cell

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fuel cell

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الإنجليزية - الإنجليزية

تعريف fuel cells في الإنجليزية الإنجليزية القاموس.

plural form of fuel cell

convert hydrogen (H2) or H2-containing gases in electricity (and heat) using an electrochemical process which oxidizes H2 with O2 from the air ("cold combustion") This conversion yields low noise and low emissions, and relatively high electric efficiencies(40-60%), but needs the pre-processing of the fuel (e g natural gas) which causes losses Currently, phosphoric acid FC, molten carbonate FC and solid oxide FC are developed for stationary applications, while PEM-FC are developed especially for mobile applications (cars)

function in a manner similar to a battery in that both use an electrochemical conversion process Fuel cells typically take in hydrogen and oxygen (from air) and convert them into electricity and heat The waste product is water Some predict fuel cells will be the basis of a large industry in this century, although there are substantial obstacles to overcome Hydrogen is difficult to store and distribute, and installing hydrogen pumps in every gas station will be a very expensive undertaking Natural gas, propane and methanol, all of which can be converted into hydrogen, may be candidate fuels as well

Mechanical devices that use hydrogen or hydrogen-containing fuel such as methane to produce an electric current Fuel cells are clean, quiet and highly efficient sources of electricity

One or more cells capable of generating an electrical current by converting the chemical energy of a fuel directly into electrical energy Fuel cells differ from conventional electrical cells in that the active materials such as fuel and oxygen are not contained within the cell but are supplied from outside

Voltaic cells in which the reactants (usually gases) are supplied continuously

المصطلحات ذات الصلة

fuel cell

An electrochemical device in which the intrinsic chemical free energy of fuel and oxidant is catalytically converted to direct current energy

fuel cell

A device that produces electrical energy directly from the controlled electrochemical oxidation of the fuel, commonly hydrogen It does not contain an intermediate heat cycle, as do most other electrical generation techniques

fuel cell

A device that produces electricity with high efficiency (little heat) by using a fuel and a chemical which reacts with it (an oxidizer) at two separate electrical terminals An electric current is thereby produced

fuel cell

1 A fuel tank, especially one of a number of fuel tanks, as in airplane's wing; also, a compartment within a fuel tank

fuel cell

A technology that produces electricity through a chemical reaction similar to that found in a battery

fuel cell

A device that converts the chemical energy of a fuel and an oxidant directly into electricity The principal components of a fuel cell include electrodes catalytically activated for the fuel (anode) and the oxidant (cathode), and an electrolyte to conduct ions between two electrodes; thereby producing electricity

fuel cell

A device which produces electricity with high efficiency (little heat) by using a fuel and a chemical which reacts with it (an oxidizer) at two separate electrical terminals An electric current is thereby produced

fuel cell

An electrochemical cell in which the chemical energy of continuously supplied fuel is converted into electric energy

fuel cell

an electric cell used to generate electrical energy from the reaction of a number of chemicals, without the need for combustion and without producing noise or pollution Can use natural gas as a feed-stock

fuel cell

An electrochemical device that converts chemical energy directly into electricity through the chemical reaction of a fuel (for example, hydrogen) with oxygen

fuel cell

Electrochemical energy conversion device that converts hydrogen and oxygen into electricity and heat

fuel cell

cell that produces electricity by oxidation of fuel (hydrogen and oxygen or zinc and air); for use in electric cars

fuel cell

An electrochemical cell in which the energy of a reaction between a fuel, such as liquid hydrogen, and an oxidant, such as liquid oxygen, is converted directly and continuously into electrical energy. a piece of equipment that combines two different elements, such as oxygen and hydrogen, to produce electricity in order to supply power to a vehicle or machine. Device that converts chemical energy of a fuel directly into electricity (see electrochemistry). Fuel cells are intrinsically more efficient than most other energy-conversion devices. Electrolytic chemical reactions cause electrons to be released on one electrode and flow through an external circuit to a second electrode. Whereas in batteries the electrodes are the source of the active ingredients, which are altered and depleted during the reaction, in fuel cells the gas or liquid fuel (often hydrogen, methyl alcohol, hydrazine, or a simple hydrocarbon) is supplied continuously to one electrode and oxygen or air to the other from an external source. So, as long as fuel and oxidant are supplied, the fuel cell will not run down or require recharging. Fuel cells can be used in place of virtually any other source of electricity. They are especially being developed for use in electric automobiles, in the hope of achieving enormous reductions in pollution

fuel cell

A device which produces electricity with high efficiency (little heat) by using a fuel and a chemical which reacts with it (an oxidizer) at two seperate electrical terminals An electric current is thereby produced

fuel cell

A piece of equipment that converts chemical energy into electricity and hot water through an electrochemical process rather than through combusting the fuel source

fuel cell

An electrochemical device that continuously changes the chemical energy of a fuel (hydrogen) and OXIDANT (oxygen) directly to electrical energy and heat, without combustion The electrical process causes hydrogen atoms to give up their electrons It is similar to a battery in that it has ELECTRODEs, an ELECTROLYTE, and positive and negative terminals It does not, however, store energy as a battery does Because there is no combustion, fuel cells give off few emissions; because there are no moving parts, fuel cells are quiet Fuel cells can be used in stationary applications like generating electricity or heating buildings, and for powering vehicles, buses and trains Fuel cells are at least twice as efficient as gasoline engines

fuel cell

A device that produces electricity as a result of the burning of fuel gases, such as hydrogen

fuel cell

A battery where reactants are supplied to the cell from an external source The most commonly cited example is the hydrogen fuel cell, in which hydrogen and oxygen are combined, producing electric current and water

fuel cell

A device that converts chemical energy directly into electrical energy by reacting chemicals supplied continuously

fuel cell

An electrochemical device which, without combustion, converts the chemical energy of a fuel, usually hydrogen or a hydrogen-containing mixture, and oxygen, usually from the air, directly into electricity

fuel cell

Any of several galvanic energy conversion devices that convert the chemical energy of a fuel directly into electrical energy in the presence of an oxidant Examples of fuel cells include solid oxide (SOFC), solid polymer (SPFC) and molten carbonate (MCFC) technologies

fuel cell

A device that converts the energy of a fuel directly to electricity and heat, without combustion

fuel cell

A device that electrochemically converts the chemical energy of a fuel and an oxidant to electrical energy The fuel and oxidant are typically stored outside of the fuel cell and transferred into the fuel cell as the reactants are consumed search

fuel cell

Static device that converts the chemical energy in natural gas into electricity and hot water through an electrochemical process

fuel cell

Race car gas tank Consists of a metal "box" that contains a flexible tear-resistant bladder and foam baffling A product of aerospace technology, it's designed to eliminate or minimize fuel spillage - and the possibility of fire -- in a crash

fuel cell

A device that produces electrical energy directly from the controlled electromechanical oxidation of fuel It does not contain an intermediate heat cycle, as do most other electrical generation techniques

fuel cell

First used by NASA in the 1960's for power generation in space capsules Cells are now being used to generate power in hospitals Fuel cells rely on the chemical interaction of natural gas and certain other metals, such as platinum, gold, and other electrolytes to produce electricity The only by-product of a fuel cell's operation is water, which is pure enough to drink

fuel cell

(Otomotiv) An alternate energy source that could someday power our future cars. It currently refers to a power plant that creates electrical current from hydrogen and oxygen that is passed over a catalyst, usually a microscopically thin sheet of platinum. The electrical current is then fed directly to an electric motor for propulsion

fuel cell

A battery-like piece of equipment used to generate electricity on a small scale Unlike a battery, it does not run down because it is constantly refueled by, for instance, natural gas

التركية النطق

fyul selz

النطق

/ˈfyo͞ol ˈselz/ /ˈfjuːl ˈsɛlz/

علم أصول الكلمات

[ 'fyü(-&)l ] (noun.) 13th century. Middle English fewel, from Old French fouaille, from Vulgar Latin focalia, from Latin focus hearth.