Can inferior properties of crude biomass pyrolytic oil be attributed to the presence of polar compound?

Can basic inferior fuel related properties of crude biomass pyrolysis oil (BPO) be attributed to the presence of polar compound such as various oxygenates, nitrogen heterocycles and...

08 September 2019 4,591 4 View

What is the significance of additive in Oil Sands Recovery Processes?

What is the significance of additive in Oil Sands Recovery Processes? What is the role of Mechanical Engineer with the adoption of additive for recovery?

07 August 2019 6,373 3 View

How feasible is it to demonstrate solid fuel conversion and biodiesel modelling in program environments such as matlab, python and fortran?

How feasible is it to demonstrate solid fuel conversion and biodiesel production modelling in program environments such as matlab, python and fortran?

05 June 2019 4,353 4 View

What are the latest innovations in biodiesel production, hydrogen and fuel cells?

What are the latest innovations in biodiesel production, hydrogen and fuel cells?

03 April 2019 4,717 3 View

What are the useful material and book for modeling biomass conversion processes using relevant tools (e.g., Aspen Plus)?

What are the useful material and book for modeling biomass conversion processes using relevant tools (e.g., Aspen Plus)?

02 March 2019 7,687 3 View

As a Ph.D supervisor, how will guide your project students to investigate techo-economic study of CO2 capture in manufacturing industry?

As a Ph.D Supervisor, how will guide your project students to investigate CO2 capture and utilization in manufacturing industry via techno-economic tool?

01 February 2019 7,991 1 View

How can I adopt CFD, C++ and finite element to improve and model Li batery management for effective utilization?

How can I adopt CFD, C+ + and finite element to improve and model Li battery management for effective utilization? I would appreciate discussions on the technique of model tools, experimental...

01 February 2019 5,625 2 View

How will I develop and validate gas turbine combustors with Computational Fluid Dynamics (CFD) models?

Dear RG, How will I develop and validate gas turbine combustors with Computational Fluid Dynamics (CFD) models? Best Regards, Dr. O.D. SAMUEL

11 December 2018 1,672 4 View

Can cetane number of ethylic biodiesel production from oil (e.g coconut ethyl ester) be calculated from individual ethyl estters from a literature?

Dear RG, Literature has showed that cetane number (CN) of biodiesel e.g jatroha oil methyl can be calculated by CN =Xme (wt.%)XCNme; where CN is the cetane number of the biodiesel; Xme is the...

11 December 2018 8,399 5 View

What is the best way to teach CFD to undergraduate students in Department of Mechanical Engineering?

What is the best way to teach CFD/suitable lecture material to undergraduate students in Department of Mechanical Engineering?

11 December 2018 2,844 14 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

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

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

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Discrete Phase model (DPM) particle break-up has particle size limits during particle tracking?

Hello, I am currently working on simulating water droplet partciles in a closed room. When I use uniform particles, without "particle break-up", I can carry out the simulation without any problem....

02 March 2021 3,053 2 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View