reactor

re·ac·tor

R0067300 (rē-ăk′tər)n.1. One that reacts to a stimulus.2. Electronics A circuit element, such as a coil, used to introduce reactance.3. a. A chemical reactor.b. A nuclear reactor.

reactor

(rɪˈæktə) n1. (Chemistry) chem a substance, such as a reagent, that undergoes a reaction2. (Nuclear Physics) short for nuclear reactor3. (Chemistry) a vessel, esp one in industrial use, in which a chemical reaction takes place4. (Electronics) a coil of low resistance and high inductance that introduces reactance into a circuit5. (Medicine) med a person sensitive to a particular drug or agent

re•ac•tor

(riˈæk tər)

n. 1. one that reacts or undergoes reaction. 2. Elect. a device whose primary purpose is to introduce reactance into a circuit. 3. an apparatus in which a nuclear-fission chain reaction is sustained and controlled, for generating heat or producing useful radiation. 4. (esp. in industry) a large container, as a vat, for substances undergoing chemical reactions. [1885–90]

re·ac·tor

(rē-ăk′tər) See nuclear reactor.

Thesaurus

Noun	1.	reactor - an electrical device used to introduce reactance into a circuitcoil - reactor consisting of a spiral of insulated wire that introduces inductance into a circuitelectrical device - a device that produces or is powered by electricity
	2.	reactor - (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elementsnuclear reactorapparatus, setup - equipment designed to serve a specific functionatomic pile, atomic reactor, chain reactor, pile - a nuclear reactor that uses controlled nuclear fission to generate energybreeder reactor - a nuclear reactor that produces more fissile material than it burnscontrol rod - a steel or aluminum rod that can be moved up or down to control the rate of the nuclear reactioncore - the chamber of a nuclear reactor containing the fissile material where the reaction takes placefast reactor - nuclear reactor in which nuclear fissions are caused by fast neutrons because little or no moderator is usedgas-cooled reactor - a nuclear reactor using gas as a coolantliquid metal reactor - a nuclear reactor using liquid metal as a coolantthermal reactor - a nuclear reactor in which nuclear fissions are caused by neutrons that are slowed down by a moderatorfusion reactor, thermonuclear reactor - a nuclear reactor that uses controlled nuclear fusion to generate energywater-cooled reactor - nuclear reactor using water as a coolantnatural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"moderator - any substance used to slow down neutrons in nuclear reactors

Translations

原子炉反应堆核反应堆

react

(riˈӕkt) verb1. to behave in a certain way as a result of something. How did he react when you called him a fool?; He reacted angrily to the criticism; Hydrogen reacts with oxygen to form water.起反应2. (with against) to behave or act in a certain way in order to show rejection of. Young people tend to react against their parents.反抗3. (with to) to be affected, usually badly, by (a drug etc). I react very badly to penicillin. （对药物等）有不良反应，过敏（药物等）产生副作用 reˈaction (-ʃən) noun1. the act of reacting. What was his reaction to your remarks?; I get a bad reaction from penicillin; I'd like to ask you for your reactions to these suggestions.反应2. a change of opinions, feelings etc (usually against someone or something). The new government was popular at first, but then a reaction began.反作用力3. a process of change which occurs when two or more substances are put together. (a) nuclear reaction; a chemical reaction between iron and acid.化学反应reˈactionary (-ʃə-) adjective, noun (plural reˈactionaries) (a person) opposed to change and progress or favouring a return to things as they were. 反动的reˈactor noun (also nuclear reactor) an apparatus in which nuclear energy is produced which can be used as a source of power, eg when converted into electricity. 原子炉，核反应堆（原子）反应堆

reactor

→ 反应堆zhCN

reactor

1. Chem a substance, such as a reagent, that undergoes a reaction 2. short for nuclear reactor3. a vessel, esp one in industrial use, in which a chemical reaction takes place 4. a coil of low resistance and high inductance that introduces reactance into a circuit 5. Med a person sensitive to a particular drug or agent

Reactor

an induction coil hooked into an electrical circuit to eliminate or suppress the alternating component of current in the circuit or to separate or restrict signals of various frequencies. Reactors are hooked into a circuit in series with a load (see Figure 1): the electrical reactance Z(ω) depends on the frequency of the current:

Z(ω) = ωL

where ω = 2 πf (f is the frequency in hertz) and L is the inductance of the reactor, in henrys. For example, a reactor with high electrical resistance to the alternating component of the current is used as a filter element in current rectifiers.

Figure 1. Diagram of connection of a reactor to an electrical circuit: (R) reactor, (R₁) load, (U) supply voltage

Reactors are usually made with a core of electrical steel, permalloy, or special materials with high magnetic permeability (such as a ferrite core) to increase inductance, that is, to increase their reactance to alternating current.

reactor

[rē′ak·tər] (chemical engineering) Device or process vessel in which chemical reactions (catalyzed or noncatalyzed) take place during a chemical conversion type of process. (electricity) A device that introduces either inductive or capacitive reactance into a circuit, such as a coil or capacitor. Also known as electric reactor. (nuclear physics) nuclear reactor

Reactor (electricity)

A device for introducing an inductive reactance into a circuit. Inductive reactance x is a function of the product of frequency f and inductance L; thus, x = 2πfL. For this reason, a reactor is also called an inductor. Since a voltage drop across a reactor increases with frequency of applied currents, a reactor is sometimes called a choke. All three terms describe a coil of insulated wire. See Inductor

According to their construction, reactors can be divided into those that employ iron cores and those where no magnetic material is used within the windings. The first type consists of a coil encircling a circuit of iron which usually contains an air gap or a series of air gaps. The air gaps are used to attenuate the effects of saturation of the iron core. The second type, called an air-core reactor, is a simple circular coil, wound around a cylinder constructed of nonmagnetic material for greater mechanical strength. This strength is necessary for the coil to withstand the electromagnetic forces acting on each conductor. These forces become very large with heavy current flow, and their direction tends to compress the coil into less space: radial forces tend to elongate internal conductors in the coil and to compress the external ones while the axial forces press the end sections toward the center of the coil.

Both iron-core and air-core reactors may be of the air-cooled dry type or immersed in oil or a similar cooling fluid. Both types of reactors are normally wound with stranded wire in order to reduce losses due to eddy currents and skin effect. In addition, it is important to avoid formation of short-circuited metal loops when building supporting structures for air-core reactors since these reactors usually produce large magnetic fields external to the coil. If these fields penetrate through closed-loop metal structures, induced currents will flow, causing both losses and heating of the structures. Which of these two reactor types should be used depends on the particular application. See Eddy current

reactor

re·ac·tor

reactor

re•ac•tor

re·ac·tor

react

reactor

reactor

reactor

Reactor

reactor

Reactor (electricity)

reactor

Synonyms for reactor

noun an electrical device used to introduce reactance into a circuit

Related Words

noun (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements

Synonyms

Related Words