Possible problem for showing 0.2 sun intensity instead of 1 sun intensity in AAA class Newport solar simulator?

We have a AAA class Newport solar simulator. We changed the Xenon Arc Lamp recently (XBO450W, Make:OSRAM) as the lifetime got over. However, the intensity is coming to be only 0.2 sun instead of 1...

14 February 2021 9,998 3 View

What might be the maximum time of immersion required for the sea water ageing of glass fiber reinforced polyester composites?

I am investigating the mechanical and physical property changes in the seawater aged GFRP. I am requiring a suggestion of to what maximum number of days should I age it. Is there a particular time...

30 January 2020 570 4 View

What is the long term impact of Zero Liquid discharge (ZLD) on overall industry??

As per Indian pollution regulators body all the distillery shall be awarded consent only if they are having ZLD scheme for treatment of waste water by the effect of regulation norms in india few...

27 April 2019 4,121 12 View

Very large difference between FEM and XFEM result, Why ?

I am using ANSYS APDL language. I am getting very large difference between FEM and XFEM result of SIF Calculation. I am solving an edge crack problem. plate dimension (20mm*10mm: Height*Width)...

28 December 2018 6,865 5 View

I have time series data of 6 variables integrated with order more than 1. Should I use Johansen or E Granger test to check co-integration?

I have learned that E. Granger test is better when there are 2 variables. But in my case there are 6 of them. Johansen Test assumes that variables are either stationary or become stationary...

30 December 2017 8,856 4 View

How to perform the Recovery in different strength of tables/Capsules by HPLC during assay and related substance test?

How to perform the Recovery in different strength of tables/Capsules by HPLC during assay and related substance test?

20 November 2017 127 3 View

Is it necessary that the activation energy of higher temperature peak should be higher than that of the lower temperature peaks of TL glow curves?

the activation energy of a thermoluminescence glow curve

13 July 2017 1,989 8 View

NDMaterials use in OpenSees

Hello Everyone! I am simulating the centrifuge test for foundation having gravel drains and pile in the liquefied soil. I started with PDMY02 soil model and everything seems fine except it is...

07 June 2017 4,419 1 View

How can I configure a network based on VoIP using OPNET modeler 14.5?

how can i configure a network based on voip using opnet modeler 14.5 ??

06 May 2015 464 1 View

Why does the nyquist plot starts from 2 Quadrant at high frequency and end at 4 quadrant at low frequency?

16 April 2015 9,228 9 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

No title

Hi, I have several doubts about one paper (Systematic Literature Review) that was rejected. The main topic is Single-Board Computers in engineering education during the period 2010-2020. The...

01 March 2021 9,015 3 View

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

Aspen Plus Error: Unknown or undefined bead number?

Hello, in my Aspen Plus Simulation (see attachment) there are two heat exchangers. One HEX1 (oil+gas) ist fed by hot gas which ist coming out of a burner. The other HEX2 (gas+gas) shall work as a...

14 February 2021 8,096 2 View

Handheld Portable Raman spectroscopy systems - recommendations and experience?

Hi all, I am looking for some general feedback and information from those that have experience using handheld/portable systems? I am looking at the prospects of using an off the shelf system from...

07 February 2021 9,691 3 View

Is this 6GHz wifi antenna create complexity at the time of febrication?

I have design a 6GHz antenna for wifi.The feed line width is 2mm and there are 2 parasitic elements beside this feed line with 1 mm gap.Is there any problem at the time of febrication?

04 February 2021 9,241 3 View

In Microstrip patch antenna ,How to turn on the diode ,which is placed in the antenna slot with DC blocking capacitor ?

In Microstrip patch antenna ,How to turn on the diode ,which is placed in the antenna slot with DC blocking capacitor ?but entire patch is in AC supply due to antenna feed..

01 February 2021 4,904 3 View

Question regarding appropriate statistical analysis?

We have a data set from N=193 participants. They assessed Corporate Image, Employer Image, Customer Experience and Employer Attractiveness (on Likert scales) for 8 different companies (each of...

30 January 2021 3,296 4 View

Why would the TGA curve show weight gain?

Hello, I have several TGA curves of different compounds showing an odd weight gain/bump. The attached file is an example of some of these curves. I read oxidation can cause this if the purge gas...

21 January 2021 957 3 View

Do you know non-feeding larval instars in insects?

Hi, I am looking for information about insects having a larval instar that does not feed at all. In other words, able to molt to the next instar without acquiring any nutrient. Does anyone know...

20 January 2021 9,387 19 View