Are there any exception like work hardening in metals elastic limit due to dynamic loading?

The samples made out of spring steel are taken from same lot. The specimens were shaped following heating to forging temperature - Forming- Hardening -Tempering methods. After storage of almost 6...

11 February 2021 952 6 View

Regarding to presentation of pairwise comparison of data?

22 January 2021 8,648 1 View

What is the main advantage of using observer based fault tolerant controller(FTC) for sensor fault tolerance?

I am working on FTC for handling sensor faults in the system. I have read about observer-based FTC schemes which use error threshold-based logic between the states and estimated states. If a...

10 January 2021 5,771 2 View

Can a luenberger observer (even a modified version) be effective for a nonlinear affine system?

I want to know whether a luenberger observer or a modified form of it be effective for estimating the states of a system of the following forms: 1. x_dot = f(x,u,d); y = x 2. x_dot = f(x,u); y =...

20 December 2020 1,392 4 View

How much Tensile strength and hardness can be acheived in Aluminium 7050 MMC with B4C reinforcement?

I have conducted research on characterisation of Al7050 + B4C by electromagnetic stir casting. The alloy employed in the process is casted alloy and the Composite too is casted. How much strength...

16 November 2020 9,226 3 View

Why whitefly prefer not to infest Pigeonpea?

Whitefly, Bemisia tabaci is pest of broad host range. In pulse crops, it generally infests greengram, blackgram and cowpea but not Pigeonpea. There might be some biochemical or morphological...

09 November 2020 9,199 3 View

Can u suggest how to identify the matrix material and reinforcement particle distribution in the MMC of scanning electron miroscopy (SEM) images?

How to identify the reinforcement particle behavior in SEM images

09 November 2020 8,664 3 View

Can someone help me in designing off-MPPT mode in a Standalone DC Microgrid?

I am working on voltage control of a Standalone DC Microgrid consisting of Single PV source, a battery and loads. The PV is interfaced through Buck converter to the DC bus, the battery is...

01 October 2020 7,071 2 View

Modeling pure shear loads in Abaqus?

I am trying to simulate a pure shear loading on a cubical block with a single brick element. While I am simulating the other stress components are not getting zeros. Can anyone suggest to me how...

22 September 2020 7,649 3 View

Can anyone suggest any introductory book on tensor analysis and tensor calculus for continuum mechanics?

I have searched google. But it would be more helpful to get suggestions from personal experience.

14 September 2020 5,426 5 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

No title

25 February 2021 5,713 1 View

Could the "incoming radiation (net radiation)" values be negative?

Could the "incoming solar radiation" values be negative? What is the difference between "global solar radiation" and "incoming solar radiation"? Which one might be measured negative values?

21 February 2021 7,726 9 View

In methylene blue test Why is UV absorbance reading very low as soon adsorbent is added and then increasing before reaching equilibrium?

Hello, I'm working on removal of methylene blue. 01. in the dark test very first reading is taken 15 minutes after adding adsorbent to the dye solution and that UV absorbance reading is very...

19 February 2021 472 5 View

How can we determine the band gap of a composite material that is made up of a composition of direct and indirect band gap semiconductor materials?

I have a direct band gap material and an indirect band gap material. If I made a composite of both through physical mixing. Then how can I determine the band gap of such a material as the Tauc...

17 February 2021 8,104 4 View

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

How to calculate ultraviolet dose in Gy or J/kg?

Currently I'm doing a literature review regarding the comparisons of different types of radiation such as uv, electron beam and gamma radiation. But I'm having a difficult time converting uv unit...

11 February 2021 7,642 3 View

Are you interested to submit a paper in the special issue "Solar Radiation" in "Remote Sensing" ?

I you are interested to submit a paper in the special issue "Solar Radiation" in "Remote Sensing", please have a look on the 2 following files and/or on the web site :...

01 February 2021 2,954 3 View

I am desigining UWB antenna with ecllipse shaped patch on HFSS.Why gain is coming negative ?

I am attaching my design and result of Gains.S11 parameter is less than -10dB from 3.1 to 9.8 Ghz.Z11 magnitude also lies between 40 -60 ohm for this range .Still gain is negative. Pls help

29 January 2021 4,334 3 View