Hi Has anyone treated the wastewater of alcohol production units (specially ethanol units) with advanced oxidation methods?

if anybody uses these methods on an industrial-scale, please let me know. I wanna ask a few questions and I want information. thank you.

25 October 2020 8,605 2 View

Convective drying of a wet object in Ansys Fluent?

I have a wet object to dry by convection. The "object" can be treated as a porous medium or semi-solid. Do you have any idea about solving it in Fluent. This is a conjugate heat and mass transfer...

31 August 2020 6,646 5 View

What is the best method to predict the water consumption of EACH customer for the next month?

Say we have a dataset that has the following attributes: - customer_id: There are a total of 1000 customers, each of them with a unique customer_id - observation_date: The date on which we...

01 August 2020 5,376 5 View

Why Mean Absolute Percentage error is too high?

I would like to make a comparison on the performance of some regression algorithms according to different performance criteria, including Root Mean squared Error (RMSE), coefficient of...

10 July 2020 5,463 7 View

How to accelerate running the first(geostatic) step in Abaqus?

Hi all I have modeled an excavation in three steps in Abaqus software. The model has 4 steps. The first one is the geostatic step and the rest of them are excavation steps. I am using Umat...

24 January 2020 6,821 2 View

Does anyone know how to create a multi temporal map from different single band raster layers?

I`m wanna create a multi temporal map of built up areas in different time spans to show the urban sprawl trend in one layer. There are NDBI layers with a specific range which covers all features...

04 October 2019 9,272 3 View

How many interviews are needed for a pilot study in a qualitative research approach?

I`m a PhD candidate and as part of my project, I`m going to conduct a qualitative research by doing semi-structured interviews with social entrepreneurs as the data gathering instrument. I`m...

28 July 2019 8,976 10 View

Is there any paper with source code about IoT?

If it would be about Load Balancing in IoT, it's much better, otherwise everything related to IoT is great

24 June 2019 6,515 19 View

What's the maximum temperature at which small RNA (100-200nt) will lose its secondary structure without complete degradation?

I have some RNA transcripts about 130nt long on a Bioanalyzer run, and they should be closer to 100nt. I think it's due to secondary structure. What's the maximum temperature at which I can...

21 March 2019 8,828 1 View

Up to what percentage of similarity is acceptable for a graduate thesis in academic engineering programs?

The zero percentage of similarity is very ideal and most journals accept 10% to 30%, but what about the graduate engineering thesis?

28 January 2019 322 1 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View