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Buoyancy-Driven Flows
Buoyancy-Driven Flows
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2015/7/15
Buoyancy forces, and their interplay with pressure, inertia, and rotation, represent a key ingredient in a wide range of oceanic and atmospheric flow processes. They strongly influence global ocean ci...
Phase transitions of wax esters adjust buoyancy in diapausingCalanoides acutus
Phase transitions wax esters adjust buoyancy diapausing Calanoides acutus
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2014/4/8
We study the composition and biophysical properties of wax esters extracted from the Antarctic copepod,Calanoides acutus, to explore if these factors adjust buoyancy in diapausing copepods. Levels of ...
Spontaneousa chiral parity breaking by hydromagnetic buoyancy
Spontaneousa chiral parity hydromagnetic buoyancy
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2010/11/11
Evidence for a parity-breaking nature of the magnetic buoyancy instability in a stably stratified gas is reported.In the absence of rotation, no helicity is produced, but the non-helical state is foun...
Alpha effect due to buoyancy instability of a magnetic layer
magnetohydrodynamics Sun: magnetic fields Instabilities Turbulence Sun dynamo
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2010/11/11
Context. A strong toroidal field can exist in form of a magnetic layer in the overshoot region below the solar convection zone. This motivates a more detailed study of the magnetic buoyancy instabilit...
A CFD ANALYSIS OF ROOM ASPECT RATIO ON THE EFFECT OF BUOYANCY AND ROOM AIR FLOW
aspect ratio room airflow buoyancy comfort
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2009/10/14
Comfort conditions in air-conditioned rooms require that temperature in the occupied zone should not vary by more than 1 °C and velocity, every where in the room, should be less than 0.15 m/s so that ...
Estimation of Uncertainty of Air Buoyancy Correction for Establishment of Primary Mass Standards
air density air buoyancy correction primary mass standard
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2009/10/14
The most accurate value of air density is obtained by a calculation based on the equation using measured atmospheric parameters approved by the International Committee for Weights and Measures in 1981...
Importance of Buoyancy and Chemistry Modelling in Steady RANS Simulations of Well-Ventilated Tunnel Fires
Tunnel fire Critical ventilation velocity Buoyancy modelling Chemistry modelling Steady simulations
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2009/10/10
Numerical CFD simulation results are presented for well-ventilated fires in horizontal tunnels. Simulations are performed in the framework of steady Reynolds-Averaged Navier-Stokes modelling. As a tur...
Influence of body posture and ear clearing on body buoyancy during diving
ear posture position buoyancy
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2009/7/20
The amount of gas introduced into the gastrointestinal (GI) tract during diving was studied by underwater weighing. The influence of body posture and ear clearing methods was determined. Ten subjects ...
An evaluation of buoyancy jacket safety in 1,000 diving incidents
DIVING Equipment BUOYANCY Buoyancy compensation buoyancy compensating device fatality equipment failure jacket accident Incident maintenance
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2009/5/26
There were 154 incidents involving buoyancy jacket
use, misuse and malfunction in the first 1,000 incidents
reported to the Diving Incident Monitoring Study (DIMS).
Forty eight of these incidents i...
Buoyancy control is one of the most important skills
to master if your diving is to be safe, let alone comfortable
or good for the environment. You may have been diving
for quite a long time but ar...
Hydromagnetic buoyancy-induced flow of a particulate suspension through a vertical pipe with heat generation or absorption effects
MHD 2-phase flow heat generation or absorption pipe flow free convection
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2010/3/17
This work is focused on the analytical modeling of the problem concerning steady, laminar, natural convection fully developed flow of a particulate suspension through an infinitely long vertical circu...
The effect of capillary pressure and buoyancy on the production performance of the Mobara type dissolved-in-water natural gas field
dissolved-in-water natural gas field Mobara type production performance
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2009/5/7
The Mobara gas field is one of the dissolved-in-water type natural gas fields. This field exists in Chiba Prefecture, Japan. The wells in this field have particular production performance curves cal...
On the Generation of Geostrophic Eddies by Surface Buoyancy Flux Anomalies
Geostrophic Eddies Surface Buoyancy Flux Anomalies
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2009/2/13
Stochastic fluctuations in the buoyancy flux at the air-sea interface create density anomalies in the oceanic surface layer, which drive quasi-geostrophic motions in the ocean interior. The efficiency...
On the Effects of Buoyancy Flux on Continental Shelf Circulation
Buoyancy Flux Continental Shelf Circulation
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2009/2/13
The effects of surface buoyancy flux. atmospheric wind stress and bottom topography on the horizontal and vertical structure of the density and alongshore velocity fields over a continental shelf are ...
A Two-Level Wind and Buoyancy Driven Thermocline Model
Two-Level Wind Buoyancy Driven Thermocline Model
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2009/1/16
A simple two-level model is designed to simulate the “thermocline equations,” applicable for large-scale steady oceanic flow. The model serves two functions. First, it replaces problems with the inter...