The definition of agitation refers to the process of moving something forcefully or violently. An example of agitation is when a lake is choppy due to wind. noun. 3. The act of agitating, or the state of being agitated; the state of being moved with violence, or with irregular action; commotion.
What is the process of agitation?
Agitation is a means whereby mixing of phases can be accomplished and by which mass and heat transfer can be enhanced between phases or with external surfaces. In its most general sense, the process of mixing is concerned with all combinations of phases like Gas, Liquid, solid. It is the heart of the chemical industry.
What is stirring and agitation?
1. stirring – agitating a liquid with an implement; “constant stirring prevents it from burning on the bottom of the pan” agitation – the act of agitating something; causing it to move around (usually vigorously)
What is a agitator definition?
Definition of agitator : one that agitates: such as. a : one who stirs up public feeling on controversial issues political agitators. b : a device or an apparatus for stirring or shaking.
What can cause agitation?
- work stress.
- school stress.
- feeling ill.
- peer pressure.
What increases agitation?
Pain, stress, and fever can all increase agitation. Agitation by itself may not be a sign of a health problem. But if other symptoms occur, it can be a sign of disease. Agitation with a change in alertness (altered consciousness) can be a sign of delirium.
Why agitation of liquids are required?
8.1. Mechanical agitation may be used to suspend particles in a liquid in order to promote mass transfer or a chemical reaction. The liquids involved in such applications are usually of low viscosity, and the particles will settle out when agitation ceases.
What are the types of agitators?
The types of agitators are paddle agitators, anchor agitators, helical ribbon agitators, propeller agitators, turbine agitators, agitators with screw impellers, retreat curve impellers, hydrofoil impellers, dispersion blade impellers, and coil impellers.
Why do we need agitation in a reactor *?
Without agitation, there can be large temperature and concentration differences in the vessel. This can cause freezing on cooling surfaces, boiling near heating surfaces, precipitation of solids from a solution, or settling of solids from a slurry.
What is an agitated solution?
In a few cases, solution agitation is employed with the intent of causing a mechanical scouring action. For example, in a spray washer, the cleaning fluid is caused to impinge forcefully on the work for this purpose.
Is agitation the same as stirring?
Agitation may remind us of “mixing” at first, but, in a broad sense, it means the operation of “stirring and agitating”, and not necessarily mixing things together. Think of a concrete mixing vehicle (agitator truck).
How does agitation affect reaction rate?
At the molecular scale, a reaction will not become faster by stirring or agitation. At larger, macroscopic scale you may however increase the overall rate because agitation mixes the reactants with each other and hence increases the propability over time that they are exposed to each other.
What is the synonym of agitator?
Explore ‘agitator’ in the dictionary. (noun) in the sense of troublemaker. Synonyms. troublemaker. agent provocateur.
What part is the agitator?
In general, agitators usually consist of an impeller and a shaft. An impeller is a rotor located within a tube or conduit attached to the shaft.
What’s the difference between agitator and impeller?
impellers? Washing machines with agitators use a central post that twists back and forth, rubbing against clothes to help break apart stains. In contrast, washing machines with impellers use a low-profile cone or disc that spins/rotates to rub clothes against each other to get them clean.
What is the synonym of agitation?
OTHER WORDS FOR agitation 1 tumult, storm; unrest, disquiet; struggle, conflict; perturbation, ado. 2 debate, discussion, argument. See synonyms for agitation on Thesaurus.com.
What does agitation look like?
People experiencing agitation may have problems with focusing or having a conversation and may display pacing or shuffling the feet or wringing the hands or clenching the fists. Angry outbursts, disruptive behavior, difficulty sitting still, and excessive talking or movement are all signs associated with agitation.
How do you control agitation?
- Create a calm environment. Remove stressors.
- Avoid environmental triggers. Noise, glare and background distraction (such as having the television on) can act as triggers.
- Monitor personal comfort.
- Simplify tasks and routines.
- Provide an opportunity for exercise.
How does agitation affect evaporation?
Agitation will affect bubble nucleation and so inhibit water evaporation.
What is agitation in food?
Agitation: An agitator is a device that mixes from the outside and directs the product inwards, towards the center. The agitation has a higher surface area in regards to food contact than mixing. Because of this it has a higher torque rating and spins slower than that of a mixer.
What is agitation scale?
The basic premise of the “scale of agitation” is that a value of 1 represents the minimum intensity necessary for complete motion of the liquid; a value of 10 represents the maximum practical intensity, although higher intensities might be used for extreme cases.
What is agitation intensity?
A measure of the power consumption of the shaft of an agitator used to mix a liquid in a stirred tank or … …
What is power number of agitator?
Power Number is a dimensionless parameter based on the power in Watt consumed by the agitating rotor = impellers for the SUB and turbines for the SUF.
How many types of reactors are there?
There are two basic types: the pressurized-water reactor (PWR) and the boiling-water reactor (BWR).
How do you size an agitator?
Agitator speed is then determined using relation Nq = Q/ND3, where N is the Agitator speed. Reynolds number is calculated using relation, Re = D2Nρ/μ and a new Pumping number is determined using generic agitator curves. All previous steps are repeated, till correct speed is determined.