Why angle of attack has no effect on acoustics characteristics of an airfoil?

I just want know why AOA (angle of attack) has no role on acoustic features of an airfoil/ flat plate. If we go for aerodynamics AOA plays a vital role but this is absent in acoustics case why is...

04 May 2019 3,515 12 View

Vibration control of a blower installed at the top of the building on a cast iron frame?

I want to developed an aeroacoustics lab at the second floor of the building but the blower and the 20 HP motor is causing too much noise which dominate over the airfoil noise so we like to...

11 December 2018 1,618 3 View

Is it possible to do aero acoustics analysis using Ansys Fluent?

How to do Aero acoustics analysis of the 2 D flow problem in Ansys fluent with k-epsilon model? What commands has to be given for this analysis in this commercial software?

05 June 2018 3,494 6 View

What Boundary condition should we give at the domain in order to capture the Tip vortex effect?

Can Any body help in getting the boundary condition at the domain to get the tip vortex effect in our 3-d simulation using ANsys fluent commercial software?

04 May 2018 7,762 4 View

PSD plot of velocity v/s time?

what does PSD plot revels for flow over airfoil and plate? What physical interpretation we get from PSD plot for aerodynamics point of view? why we are plotting PSD v/s Frequency? Please Give some...

01 February 2018 9,832 4 View

How to calculate a wake length behind a streamline body?

I want to know how we can calculate the wake length behind the stream line body in its post stall region with the help of Ansys fluent simulation. How to do averaging of the flow (is there any...

31 December 2017 5,952 5 View

How to perform POD and DMD of transient problem?

I am working on Ansys fluent and I want to know how i can perform POD and DMD of my current flow problem over inclined flat plate at high angle of attack(in ansys fluent) in post processing state...

31 December 2017 5,128 3 View

Why a negative pressure is formed behind the projected flat plate? what is its physical significance?

11 December 2016 2,253 0 View

How to find the accuracy of load cells which can measure lift and drag forces?

How to find the accuracy of load cells which can measure lift and drag forces? Plz provide me some good supplier of load cells in INDIA?

06 July 2016 1,486 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Is it possible to have two luminescence bands of the same peak position but with different intensities in single spectrum??

Hi! If it is possible to have two luminescence bands of the same peak position in a spectrum, what is the reason behind formation of two separate bands instead of one? This phenomenon is related...

26 February 2021 4,963 5 View

How to approach CFD simulation results of a flow past a cylinder?

Hi all, I'm doing a transient simulation of flow past a rectangular cylinder close to the free surface. As far as I'm concerned, the common practice is to discard the initial stages of the...

25 February 2021 1,348 3 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View