What is global benchmark for skin temperature of furnace?

Currently, i am working on electric heating furnaces (furnace inside temperature is 800 degree C)and to reduce energy consumption best option is reduce heat losses. So, i want to know global...

04 May 2019 9,586 2 View

How to calculate energy saving from heating loss?

Hi, Suppose there is loss of 50 degree C against the target skin temperature of furnace. So, how to calculate estimated energy saving by reducing this 50 degree C to 0 degree C (Heat loss= how...

04 May 2019 700 11 View

How to calculate energy saving from SPRS system?

I am working on a project to reduce energy consumption on blower. Which flow is controlled with dampers. So, in place of damper i can use SPRS system to control the flow and i want to calculate...

11 December 2017 1,754 3 View

How can we measure the current flowing through air?

There is an Electric panel which is placed near to air washer duct (provided for cooling purpose (made of Stainless steel)). When i passes my hand between Duct and panel i feel there is something...

06 July 2017 3,814 8 View

Requirement of basic concept detail.

Hello, I want to learn basics of servo motor. So, can any one send me pdf related to servo motor principle, operation, wiring, controlling, application and other fundamental details. Thank...

05 June 2017 8,981 0 View

How we decide the maximum current handling of a wire?

How can we calculate the current capacity in a wire and What will happen if we use a little more than the max current limit?

03 April 2017 5,756 0 View

What are the method to detect sparking automatically?

If there is sparking inside an electrical panel then how we can know about it from the outside automatically.

03 April 2017 9,077 3 View

What are the different methods to control a servo motor?

03 April 2017 8,818 0 View

Is there any alternative of PLC?

If it is then why we are still using PLC system.

03 April 2017 10,019 2 View

What are the benefits of using transformer less substation?

Is there any impact on load handling capability, losses or power quality?

03 April 2017 9,861 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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 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