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A turbulent flow is a flow regime in fluid dynamics where fluid velocity varies significantly and irregularly in both position and time. [3] Furthermore, a coherent structure is defined as a turbulent flow whose vorticity expression, which is usually stochastic, contains orderly components that can be described as being instantaneously coherent over the spatial extent of the flow structure.
In physics and the philosophy of science, instant refers to an infinitesimal interval in time, whose passage is instantaneous.In ordinary speech, an instant has been defined as "a point or very short space of time," a notion deriving from its etymological source, the Latin verb instare, from in-+ stare ('to stand'), meaning 'to stand upon or near.' [1]
An instantaneous over-current relay is an overcurrent relay which has no intentional time delay for operation. The contacts of the relay are closed instantly when the current inside the relay rises beyond the operational value. The time interval between the instant pick-up value and the closing contacts of the relay is very low.
There are two types of overload protection: instantaneous overcurrent (IOC) and time overcurrent (TOC). Instantaneous overcurrent requires that the current exceeds a predetermined level for the circuit breaker to operate. Time overcurrent protection operates based on a current vs time curve. Based on this curve, if the measured current exceeds ...
In electrical engineering specifically, the transient response is the circuit’s temporary response that will die out with time. [1] It is followed by the steady state response, which is the behavior of the circuit a long time after an external excitation is applied.
Short-term vs. long-term bonds: Key differences. If you’re new to investing in bonds, it’s important to understand the role short-term and long-term bonds can play in your portfolio.
Long story short, every stage of sleep is important. And slow-wave sleep, or stage 3 of non-REM sleep, is especially vital for restorative rest. Most people get around 1.5 to two hours of slow ...
The AOL homepage can be pinned to your Start menu to avoid having to open your browser and manually enter the web address. Pinning an item to your Start menu creates a tile that acts like a shortcut to a website you use the most.