Fluid Dynamics

Fluid dynamics is a sub-discipline of fluid mechanics that deals with fluid flow—the natural science of fluids (liquids and gases) in motion. | Contact experts in Fluid Dynamics to get answers

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Questions related to Fluid Dynamics

Anyone looking for a research / PhD idea in aircraft aerodynamics?

Research idea: Use airflow analysis (CFD) to test the newtonian theory of lift on an airplane. Process: First, use CFD data and analysis tools to estimate the mass of air pushed down each...

16 November 2019 7,144 0 View

How to do the perfect bonding between pdms and hydrogel?

when doing the bonding between hydrogel and pdms(with microfluidic channels on its surface), there is always some non-bonding part which wider than the width of the channel or the channels are...

16 November 2019 2,533 0 View

How Schrodinger's Equation Reduce to Newton's?

How Newton's law of motion can be derived from Schrodinger's equations? How velocity and acceleration expectation values can be calculated from Schrodinger's equation, like position expectation...

02 October 2019 2,674 3 View

How to determine the technical oil in Ansys CFX ?

I had to calculate parameters of the technical oil flow in Ansys CFX. To solve this problem, I used "the Turpentine" (from Standard Ansys CFX material library) as the working body. Is it right ? I...

09 August 2019 8,002 5 View

? DOI number for book edited ? Oxford Press - Num. Meth. Fluid Dyn., II, Clarendon, ed. Morton & Baines, 463-475, 1986. ?

Dear Professor Baines, We need the DOI number for you book edited after the Reading Conference in 1985 : Conference on Numerical Methods for Fluid Dynamics, Reading, U.K., april 1985. J.M. VANEL,...

27 July 2019 3,791 2 View

Does the local Nusselt number increase with the vertical height (H) or decrease?

Hi Does the local Nusselt number increase with the vertical height (H) or decrease?

18 July 2019 3,167 4 View

Publication platform for open access and review: the document can be correct at any time instead of 1 or 2 blind review followed by journals?

Because of academic or research pressure, the number of papers and publishers are increasing. At the same time, the quality of the papers from even Q1 journals is also not up to the mark. A lot of...

28 June 2019 7,853 6 View

Can you recommend some points to me in fluid dynamics to start with in my graduate degree?

Just need some help

19 June 2019 2,577 15 View

Is it possible to take into account connecting wire in the fluid flow calculation of a turbine stage in the Ansys CFX?

Is it possible to take into account connecting wire(fig.1) in the fluid flow calculation of a turbine stage in the Ansys CFX?

16 June 2019 1,046 4 View

Any one interested in publishing papers in fluid dynamics?

willing to publish a paper

04 June 2019 5,539 2 View

How can I calculate the vorticity having the velocity components (u, v, w)?

I have a time series of wind speed data in 3D (u, v, w) in an anemometric station and by this I mean that the measurements are in point and I do not have a geometry, the anemometer makes the...

11 May 2019 6,374 6 View

How to use capacitance to find flow rate of multiphase fluids?

Can we use capacitance to measure flowrate of a two phase fluid. For eg a flow involving milk and air bubbles. How do we apply it?

02 May 2019 6,105 2 View

How to model the fluid flow from a pipe of variable temperature?

Hello Everyone, I am currently working on fluid dynamics and I have one question: I am studying about the fluid flow from a cylindrical pipe. and I have got how to find the velocity profile and...

02 April 2019 5,434 6 View

Is there an equation linking the Droplet diameter and the nozzle diameter for a Drop-On-Demand Printhead (Thermal or Piezoelectric) ?

For my PhD, I have to look in fluid dynamics especially the inkjet printing using a Drop-On-Demand Printhead. In most of the paper, they talked about the inflight droplet volume which is related...

28 February 2019 2,474 3 View

It is possible to solve the viscous sub-layer with ANSYS-CFX for sub-cooled boiling flow?

Hello I am solving sub-cooled boiling flow with CFX. I do not want to use single phase wall function. I want to solve the viscous sub-layer. Is it possible? If so which turbulence model is...

13 February 2019 3,808 3 View

Is it possible to use One trbulence model in fluid dynamics for all the practical applications ? if not, why?

There are many different turbulence models to be used in fluid dynamics applications. The question is why do we need to use different turbulence models for each application? is it possible to...

28 November 2018 5,339 24 View

What is the most time consuming part in CFD (Computaional Fluid Dynamics) study and its validation?

CFD is a dynamic field which relates engineering and mathematics. But how much one should give effort on the validation?

05 November 2018 2,785 8 View

Can we use ray tracing concept for sonar to calculate the distance?

📷I have question about the distance measurement by sonar wave. I try to use the ray tracing concept to explain how does the sound signal to estimate the distance. Now regard the acoustic...

01 November 2018 2,714 4 View

Is there any fast method for analyzing pump efficiency?

Hi Friends. I have been worked on Water-jet Pump and in my research-work there is a need to a fast and accurate predictive method for analyzing pump efficiency. Is there anyone could help and give...

19 October 2018 764 5 View

Could we use friccohesity to determine dissolved oxygen in water as it changes the shear stress and surface energy?

Friccohesity deals with the product of cohesive and adhesive forces so when oxygen gets stuck with the water molecules it changes the fluid dynamics. Thus the friccohesity measurements with...

11 September 2018 5,412 0 View

How do we bond 2.8mm thick acrylic(plexiglass) sheets which has 0.4mm channels and need to be air tight and fluid leak proof?

we want to bond two sheets of plexiglass by heating method because the depth of the channels is 200 micrometers and 400 micrometers. how we can use the heating method for bonding.

26 July 2018 7,538 2 View

375580 Natural gas containing a mixture of methane ethane propane and?

Natural gas containing a mixture of methane ethane propane and butane is burned in a furnace with excess air. (a) One hundred k mol/h of a gas containing 94.4 mole% methane, 3.40% ethane 0.60%...

13 February 2018 8,049 0 View

Is there any difference between permittivity of confined and flowing liquid?

Permittivity of liquids confined within some boundary have been measured by many researchers. Lets assume that liquid flows through some channel with some flow rate. Will permittivity of liquid...

12 October 2017 5,656 3 View

What is the applicability of Newton Sine-Squared Law?

Applicability on the range of fluid dynamics for bodies moving in a fluid such air, Re about 103. Thanks. Gianluca

19 September 2017 4,564 4 View

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