Why gases can't be compressed at constant pressure or constant volume?

It can be understood by intuition that gases can't be compressed at constant pressure or constant volume. But what is the thermodynamic reason behind it?

02 March 2020 2,755 2 View

Is Thermodynamics not able to get the heat transfer rate value?

In the first lecture of heat transfer course, generally it is told that with Thermodynamics, it is not possible to get the heat transfer rate of a process. But in steady flow energy equation (time...

02 March 2020 1,153 6 View

What is the latent heat of glass / rock wool?

As insulation materials are generally used in the pre melting or much safer temperatures, I am finding difficulty in getting data such as latent heat of fusion of any insulation materials. Can...

06 July 2019 8,188 7 View

Could you please name some of the renowned magazines related to Energy sector (especially Renewable Energy)?

Our institute is planning to subscribe/buy hard copy versions of renowned magazines related to Energy sector (especially Renewable Energy). Could you please name some of them.

31 December 2018 9,284 5 View

Is triple integral and volume integral one and the same?

It's a well know fact that the vector integrals are generalized forms of general integrals, such as 1 - Line Integral is a generalized form of Simple/Single Integral 2 - Surface Integral is a...

11 December 2018 763 29 View

Could you please list some of the open source softwares related to Renewable Energy Systems?

Renewable Energy has a greater scope in research and job opportunities now and it will continue in the future also. Mathematical modeling of the renewable energy systems is highly important to...

10 November 2018 7,359 6 View

How to plot a 2D complex vector?

I know how to plot a 2D real vector. Let's say I have a vector 'a' represented in a row matrix, a = [1 1]. I can plot it in xy plane and I will be getting a line having the equation...

09 October 2018 5,216 7 View

How compression or expansion work is directly proportional to the specific volume of the fluid?

One principle given in Thermodynamics, Cengel is "The steady flow compression or expansion work is directly proportional to the specific volume of the fluid. Therefore, the specific volume of the...

09 October 2018 5,262 4 View

Anybody have Vicosity data of molten KOH?

Can anybody share any resources related to Viscosity of molten Potassium Hydroxide (KOH)?

06 July 2018 5,087 5 View

What is the difference between Assumption and Approximation?

Can you please differentiate the both using some practical or numerical examples?

04 May 2018 7,898 7 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 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

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View