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单词 instantaneous velocity
释义
instantaneous velocity
noun[U]
physicsspecialized
uk
/ɪn.stənˌteɪ.ni.əs vəˈlɒs.ɪ.ti/us
/ɪn.stənˌteɪ.ni.əs vəˈlɑː.sə.t̬i/
acalculationthattellsyou howfarand in whatdirectionanobjectwouldtravelif itcontinuedin the way it was going for one second
瞬时速度
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Speed of motion
(Definition ofinstantaneous velocityfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

instantaneous velocity| American Dictionary

instantaneous velocity
noun[U]
us/ˌɪn·stənˈteɪ·ni·əs vəˈlɑs·ɪ·t̬i/
physics
acalculationthattellshowfarand in whatdirectionanobjectwouldtravelif itcontinuedin the way it was going for one second
(Definition ofinstantaneous velocityfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofinstantaneous velocity

instantaneous velocity
Instantaneousvelocitymeasurements were obtained across the pipe for this situation (run 13).
From theCambridge English Corpus
However, theinstantaneousvelocityvector can deviate significantly from the mean flow direction close to the surface.
From theCambridge English Corpus
Theinstantaneousvelocitygradient is about 2 times larger than the maximum gradient observed in the undisturbed pipe flow.
From theCambridge English Corpus
Analysis of the data suggests the existence of a high-shear layer in theinstantaneousvelocityprofile.
From theCambridge English Corpus
Reynolds decomposition by subtracting the long-time-averaged velocity field from theinstantaneousvelocity field is the traditional technique for decomposing turbulent velocity fields.
From theCambridge English Corpus
To do this properly requires much more detailed measurements of theinstantaneousvelocityfields than have been obtained so far.
From theCambridge English Corpus
Since its core coincides with that of the average vortex, the superimposed ensemble-average velocity field should best approximate itsinstantaneousvelocityfield.
From theCambridge English Corpus
The figure clearly shows a perturbation of theinstantaneousvelocityabout the mean profile.
From theCambridge English Corpus
Techniques of hot-wire anemometry were employed which enabled the instantaneous temperature and theinstantaneousvelocityto be measured simultaneously at a point in the non-homogeneousturbulent flow field.
From theCambridge English Corpus
Instantaneousvelocityprofiles at the peak at one spike stage.
From theCambridge English Corpus
Theinstantaneousvelocityfields reveal that a high shear rate produces structures in homogeneous turbulence similar to the ' streaks ' that are present in the sublayer of wall-bounded turbulent shear flows.
From theCambridge English Corpus
The magnitude of this effect appears to be comparable to that discussed above and so cannot be omitted from a realistic model of theinstantaneousvelocityprofiles.
From theCambridge English Corpus
The voltage generated in a sense coil on the mass by the magnet directly measures theinstantaneousvelocityof the ground.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
This will give the "instantaneousvelocity" of a particle, or object, at any particular time "t".
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
However, when motion involves rotation, theinstantaneousvelocityof any two points on the body will generally not be the same.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/instantaneous-velocity##
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更新时间：2024/12/28 8:05:04