Wake Turbulence Re-categorisation, or Wake RECAT, is the safe decrease in separation standards between certain aircraft. Usage: The plane experienced a great deal of turbulence while flying over the ocean. clear - air turbulence ( countable and uncountable, plural clear-air turbulences ) The erratic movement of air masses in the absence of any visual cues, especially such movement that causes unexpected turbulence to an aircraft. Thermal instability in the atmosphere creates thunderstorm (TS) cells that first take the form of convective “cumulonimbus clouds” (CBs). What turbulence means in English, turbulence meaning in English, turbulence definition, explanation, pronunciations and examples of turbulence in English. We experimentally study the emergence of collective bacterial swimming, a phenomenon often referred to as bacterial turbulence. Intensity. See the CFD-Wiki page on turbulence length scale for more information. A stethoscope is used to listen to arterial blood flow sounds. Interstellar turbulence causes the “twinkling” of radio sources, just as turbulence in the earth’s atmosphere causes the twinkling of stars. Some believe N-S equation is the one, and only one, that governs the fluid motion and induces turbulence, while some stand for the statistical based view of the phenomenon. or. This encompasses reduced impetus diffusion, high impetus convection, and fast variation of pressure and velocity in space and time. Meaning of turbulence. From the definition of the mean wind speed, turbulence is defined as all wind fluctuations with periods less than the averaging period. TURBULENCE OF BLOOD FLOW. However, it can be remotely detected with instruments that can measure turbulence with optical techniques, such as scintillometers, Doppler LIDARs, or N-slit interferometers. What does turbulence mean? Turbulence that momentarily causes. What does turbulence mean? Figure 1. : Slight rhythmic bumps…walking difficult…..passengers thrown violently, etc, etc. The liquid or gas in the boundary layer tends to cling to the surface. Description. How to use turbulent in a sentence. Among others, Lesieur's book "turbulence in fluids" gives some details on the topic. Forums. It is composes of an inflatable rubber cuff, which is wrapped around the arm. Turbulent means chaotic, disordered, characterized by conflict. Turbulence is still discussed in the academic world. Simulating atmospheric turbulence is an essential task for evaluating turbulence mitigation algorithms and training learning-based methods. For others, it’s an absolute nightmare. The definition of turbulence is fairly straightforward: chaotic and capricious eddies of air, disturbed from a calmer state by various forces. turbulence - WordReference English dictionary, questions, discussion and forums. The turbulence intensity, also often refered to as turbulence level, is defined as: , where is the root-mean-square of the turbulent velocity fluctuations and is the mean velocity (Reynolds averaged).. Turbulence. This includes low momentum diffusion, high momentum convection, and rapid variation of pressure and velocity in space and time. Our Apps are nice too! For some, turbulence is little more than an annoying disruption during a flight. To reduce the chances that someone might get injured in an aircraft encountering turbulence, FAA and government and industry partners have developed various advisory material. Did You Know? Red Spot Turbulence. Turbulence Modelling. Dictionary. Relational turbulence theory utilizes this reasoning to suggest that the prevalence of emotional experiences caused by interruptions, either disruptive or helpful, creates a climate of heightened emotional reactivity that infuses people's emotional reactions to other relationship events. A time of war is a turbulent time for a country. Definition of turbulence noun in Oxford Advanced American Dictionary. In all instances, it’s important to bear in mind that turbulence is seldom dangerous, although it can be very uncomfortable. Specific Purpose: The relational turbulence model provides a framework for examining how fluctuations of uncertainty and intimacy occur over time during the development of an intimate relationship. Homogeneous and isotropic turbulence is the pie-in-the-sky ideal; its achievable counterpart down here on earth is grid turbulence. Relational turbulence theory argues that transitions in relationships create conditions that are ripe for relational turbulence (Solomon, Knobloch, Theiss, & McLaren, 2016). Even after asking just about every pilot I’ve met, I haven’t gotten a good answer. And now they had another broil with the three Englishmen; one of whom, a most turbulent fellow, being in a rage at one of the three captive slaves, because the fellow had not done something right which he bade him do, and seemed a little untractable in his showing him, drew a hatchet out of a frog-belt which he wore by his side, and fell upon the poor savage, not to correct him, but to kill him. If you’re overseeing a change, how you communicate with those affected can significantly decrease—or increase—the duration and intensity of that turbulence. Flying is the safest way to travel. It can be unexpected and can happen when the sky appears to be clear. Dissipation and energy cascades are closely tied to the rotational nature of a turbulent flow. ii) Turbulence is highly diffusive. Mechanical turbulence results from wind flowing over or around irregular terrain or man-made. I.e. Turbulence definition, the quality or state of being turbulent; violent disorder or commotion. Turbulence Encounter (ICAO Definition) Turbulence Encounter- In flight turbulence encounter. Define turbulence. 2. “U.L.” means Underwriters Laboratory. Filed Under: … turbulence ( countable and uncountable, plural turbulences ) ( uncountable) The state or fact of being turbulent or agitated; tempestuousness, disturbance. Opinion: A coronavirus-infected Republican’s anger at Trump signals turbulence ahead. On that subject, a study was conducted about 10 years ago by “Digital Avionics Systems.”. Quotes. This term is commonly applied to higher altitude turbulence associated with wind shear.The most comprehensive definition is high-altitude turbulence encountered outside of convective clouds. Report as Light Turbulence. This is an atmospheric disturbance caused by the passage of an aircraft in flight or during landing and take-off procedures, when intense swirls and vortices, which can reach 300 km/h, are produced at the tip of the aircraft wing. The smaller the velopharyngeal gap, the greater the resistance to the airflow, and therefore the louder the sound that is produced. Reporting Term-Definition. Basic Turbulence The universe is a highly turbulent place, and we must understand turbulence if we want to understand a lot of what’s going on. A measuring device indicates the cuff's pressure. Noun 1. unstable flow of a liquid or gas (synonym) turbulency (hypernym) physical phenomenon (hyponym) rip, riptide, tide rip, crosscurrent, countercurrent 2. instability in … For the record: chop is still turbulence. Turbulent flow, type of fluid (gas or liquid) flow in which the fluid undergoes irregular fluctuations, or mixing, in contrast to laminar flow, in which the fluid moves in smooth paths or layers. An example of the use of the Flight Path Tool is shown in Figure 2, below. Turbulence usually consists of a lot of different-sized swirls of air motion (called eddies) superimposed on each other. Definition of L is different for each problem (boundary layes, mixing layers, etc.) Turbulence - Star Wars: The Old Republic Wiki. By W. E. Not all CB’s evolve to thunderstorms however but many of the hazards associated with thunderstorms also about to cumulonimbus cloud. The definition of turbulence is fairly straightforward: chaotic and capricious eddies of air, disturbed from a calmer state by various forces. Definition of thermal turbulence in the Definitions.net dictionary. Wake Turbulence - Turbulence found to the rear of a solid body in motion relative to a fluid. Turmoil: a disturbed or uneasy state. Design Turbulence. Detection. Hedge funds caused the 2008 financial crisis by adding too much risk to the banking system. If the nasal air is leaking through a very narrow opening, the airflow becomes turbulent, and the terms nasal turbulence or nasal rustle may be used. 7) Thunderstorm Turbulence. Turbulence … Aircraft Reaction. But updrafts and downdrafts often extend outside the storm, with severe turbulence possible as much as 15 to 30 miles downwind. Information about turbulence in the AudioEnglish.org dictionary, synonyms and antonyms. When properly devised, grid-generated turbulence is the cleanest and simplest of the physically realizable types of flow turbulence. Near the bottom you can see one of three oval cloud systems that formed nearly 40 years ago. Meaning of turbulence. Usage: During our flight to the Caribbean, the turbulence was so bad we could not sleep. Planes can shake in turbulence. In times of major change, particularly organizational change, it's normal for people involved to experience turbulence, including anxiety, anger, or uncertainty. obstructions. Turbulence is a tier 7 Jedi Sage Telekinetics skill tree ability. What is turbulence? 3. How to use turbulence in a sentence. A safe haven is an investment that is expected to retain its value, or even increase in value, during times of market turbulence. n. 1. Drawing on large-scale data generated from the Internet and real-world events, this book shows how mobilizations that succeed are unpredictable, unstable, and often unsustainable. The Navier-Stokes equations have been used to describe fluid flows since the early 19th century. The existing International Civil Aviation Organisation (ICAO) wake vortex separation rules are based solely upon aircraft weight, categorised as … Convective Turbulence. Estimating the turbulence intensity Sa isang bagay, kinuha ng hukbong Haponés ang isang ruta sa gawing hilaga sa kabila ng maalong dagat ng taglamig. What you need to know about risk diversification. over a 450 m path under typical Flying in turbulence happens when the plane is caught up in disrupted airflow during the flight. The state or quality of being turbulent: times of turbulence and confusion. Turbulence is one of the most unpredictable of all the weather phenomena that are of significance to pilots. Rwlante. such atmospheric optical turbulence negligible over shorter (≤ 2 km) optical paths although there could be other image-degrading effects due to aerosols, precipitation, fog, or smoke. The Turbulence Inflow Tool (TInF) is designed to collect all required properties and parame- ters needed for various turbulence inflow models in OpenFOAM, and to augment an existing wind-around-a-building model by adding the necessary sections to respective parameter definition files. No general theory is possible here, and the principle … Nasal turbulence has been described as a snorting sound. acoustic turbulence: ( ă-kÅ«'stik tÅ­r'byÅ«-lens ) Swirling effect produced within the confined space of a periodontal pocket by continuous stream of fluid flowing over an electronically powered instrument tip, which disrupts plaque biofilm. Zone of turbulence means the pattern of flow of air from the HEPA filter created behind an object placed within the LAFW pulling or allowing contaminated room air into the aseptic environment.”. Turbulence definition is - the quality or state of being turbulent: such as. Definition and creation. The aerodynamic turbulence of the glottic air leak is perceived as "breathiness." −Definition. The Turbulence Problem An Experimentalist’s Perspective Turbulent fluid flow is a complex, nonlinear multiscale phenomenon, ... fluid is, by definition, the second time derivative of the Lagrangian fluid trajec-tory x(t), which describes the motion of the fluid element that was initially at They often appear in the strong westerly wind flows on the east coast in late winter and early spring. turbulence length scales. All of us are aware of the typical definitions of turbulence as stated in various publications (AIM, FOM, etc). 3. 1. ... "the plane shuddered as it entered some turbulence" Similar rough air currents irregular atmospheric motion uneven air movement roughness storminess tempestuousness heaviness violence … Eddy viscosity is zero if the velocity gradients are zero ... and turbulence (local extrema of turbulent kinetic energy, large variations of turbulence dissipation, etc.) Turbulence is the name for random gusty fluctuations (vertical and horizontal) of the wind. ★ turbulence definition: Add an external link to your content for free. means fluctuation in wind velocity or direction of the wind caused by obstruction in the path of the wind. The largest length scales are usually imposed by the flow geometry, for example, the boundary layer depth. turbulence - WordReference thesaurus: synonyms, discussion and more. Turbulence. Methods: A 2-phase exploratory sequential mixed-methods design was used to translate the proposed construct of turbulence into an operational definition and begin preliminary testing of a turbulence scale. Eddy viscosity is zero if the velocity gradients are zero ... and turbulence (local extrema of turbulent kinetic energy, large variations of turbulence dissipation, etc.) Time series of optical turbulence (scintillometer) data collected at 2 m (a.g.l.) Turbulence that causes slight, rapid and somewhat rhythmic bumpiness without appreciable changes in altitude. How to report the type of turbulence. (Receivedfor publication 10th September 1958) Turbulence offlow in glass models, whichsimulated arterial bifurcations and the carotid siphon, was examined by experimentation using the dye injection technique. It consists of a metal tube on a base with a gas inlet at the lower end … Parallelograms appear in many places in everyday life. Definitions. Rapid mixing significantly increases momentum, heat, and mass transfer. If you’re on an airplane during a storm, turbulence is that horrible thing that is causing the plane (and your stomach) to bounce around. Report as Light Turbulence; 1. or. Chaotic or unstable eddying motion in a fluid. 2. They use sophisticated, data-based investing strategies. Wake turbulence is somewhat more predictable since all aircraft generate lift, a requirement for wake turbulence. Games. Example sentences with "turbulence force", translation memory. Abbreviation: CAT See more. Turbulent definition is - exhibiting physical turbulence. Political Turbulence reveals that, in fact, most attempts at collective action online do not succeed, but some give rise to huge mobilizations—even revolutions. Mountain wave and associated turbulence In Australia, mountain waves are commonly experienced over and to the lee of mountain ranges in the south-east of the continent. Clear air turbulence is air movement created by atmospheric pressure, jet streams, air around mountains, cold or warm weather fronts or thunderstorms. Free online Dictionary including thesaurus, children's and intermediate dictionary by Wordsmyth. The notion of turbulence can also mention the agitation of the Water or other fluids. If your family moves and your parents get divorced, you might call that a turbulent … Atmospheric turbulence is the set of seemingly random and continuously changing air motions that are superimposed on the wind’s average motion. Clear-air turbulence is usually impossible to detect with the naked eye and very difficult to detect with a conventional radar, with the result that it is difficult for aircraft pilots to detect and avoid it. The site-specific design equivalent turbulence is used to determine whether the turbine type selected for the wind farm is suitable and operates within its design parameters. It’s term we use to describe a type of turbulence. Examples from the Corpus turbulence • Once more, the market had wide swings, capping a week of turbulence. Proper usage and audio pronunciation (plus IPA phonetic transcription) of the word turbulence. General Purpose: The relationship turbulence model is a model of relationship development. Lists. Vocabulary. Optical turbulence (scintillometer) data collected over a 400 m elevated path in the Netherlands on 15 February 2002 [26]. By continuing to use our website you consent to all cookies in accordance with our cookie policy. A sphygmomanometer is a device that measures blood pressure. What does thermal turbulence mean? Learn more. Nobel Laureate Richard Feynman described turbulence as "the most important unsolved problem of classical physics." • The political turbulence that followed the Civil War was only brought under control by Cromwell's benevolent dictatorship. Voice may also have a bitonality or diplophonia, with the perception of two different fundamental frequencies (or … Definition of. (Noun) Vibration experienced in an aircraft when flying through turbulent air. Advanced numerical simulators for atmospheric turbulence are available, but they require evaluating wave propagation which is … 4. * From the Department ofPathology, University ofSydney. It can be used to augment any existing particle techniques with realistic response to moving solid objects and turbulent fluid motion. Light. Reporting Term. The term often crops up during periods of economic turbulence, when there's a lot of uncertainty in financial markets. Definition. or attitude. Turbulence in the presence of boundaries can flux energy through the walls, but for homogeneous turbulence the flux term must on the average vanish and the dissipation is just 2νZ.

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