How to derive equations for a resonant buck converter with ZVS?

I am not understanding how each author is deriving the equations and the working principle. Individual authors are giving their own working principle explanation for different circuit topology....

12 February 2021 496 1 View

How to extract the yearly cash flow data (not time-series) from HomerPro in Excel? Also how to extract the monthly average electric production data?

I want to plot the monthly average electric production data and cash flow data in another software to get a more clear graph. For this, I need to extract the monthly or yearly data and not the...

11 February 2021 2,740 2 View

Want to ask about equivalence ratio?

09 February 2021 5,273 2 View

How commonly do you encounter Rummination Syndrome in your GI practice?

Do diaphragmatic breathing and speech therapy actually help? How often did you require multidisciplinary team approach?

17 January 2021 5,998 0 View

Can fibrosing cholestatic hepatitis in an immunocompromised patient be diagnosed without a liver biopsy?

provided that all the criteria for diagnosis has been fulfilled and alternative diagnosis are also ruled out. The patient has coagulopathy and transjugular biopsy wont be possible due to resource...

13 January 2021 8,935 4 View

What parameters should I use to measure human security in relation to environmental degradation in developing countries?

I wish to examine the impact of environmental degradation on human security in Bangladesh.

11 January 2021 3,282 6 View

What Research methodology I will use for Time series data?

I want to conduct a research which is based on time series data ( Suppose, Relation between GDP, Foreign direct investment, Import, Export). Previously I worked with panel dataset and I know the...

31 December 2020 1,207 6 View

Look for Book?

Can anybody give me the following writer book? Helen Deresky "International Management"

26 December 2020 5,109 5 View

What is the basic user power allocation mechanism for achieving maximum Spectral Efficiency(SE) in co-ordinated multi-cell OFDM wireless network?

Can someone help me to realize the basic concept of user power allocation for a wireless heterogenous OFDM network where there is a macro cell and inside it some femto cells. What is the basic...

01 December 2020 4,039 1 View

Do you think, citing a "preprint" as reference is logical in your future article?

Now a days many researchers are depositing their research paper draft as preprint in various web-based option, those are not peer reviewed yet or may submitted already or will be submitted in a...

29 November 2020 6,849 2 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

How can we obtain a modification factor for creep parameters?

I want to obtain standard creep parameters of salt rock by creep parameters of rectangular samples. Is there a modification factor to convert creep parameters of rectangular (prismatic) rock salt...

01 March 2021 7,131 1 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

How to determine number concentration of polymer solutions using viscosity experiment?

I have synthesized PNIPAM (Poly (N-isopropylacrylamide)) microgels, which are copolymerized with oligo-ethylene glycol based comonomers. I have to determine the exact number concentration for each...

19 February 2021 5,205 5 View

Simulation of melting process in CFD ?

Hi everyone, I'd like to know if Polyflow software can be used for the simulation of melting process of polymers. I thought to model solid phase as a fluid with very high viscosity, and use...

03 February 2021 8,109 3 View

How to choose proper spindle for measurement of thixotropic behavior of ceramic slurry?

Hello, we are studying on thixotropic behavior of ceramic slurry . We will perform the thixotropic behavior analysis of ceramic slurry with the density of 1,7 g/ml by using BROOKFIELD DV2T. How to...

08 January 2021 1,776 5 View

How to obtain creep parameters for running Norton Bailey model, material SS-304 ?

How to obtain creep parameters for running Norton Bailey model, material SS-304 ?

06 January 2021 8,074 2 View

HOW MWCNT affects on the solution viscosity?

dear researchers, I prepared solutions of Polystyrene/ with different ratios of MWCNT I dissolved ps with DMF and then added MWCNT to the solution using ultrasonication then I measured the...

04 January 2021 5,231 3 View

Viscosity of polyester polyol?

I made three polyester polyols. 1) phthalic anhydride+ diethylene glycol(DEG) 2) terephthalic acid+ DEG 3) isophthalic acid+DEG Viscosity is 1

04 January 2021 8,825 5 View