How will I calculate the energy balance of a parabolic trough collector?

Not all the solar energy that fall on the parabolic trough collector is been utilized. Some are being scattered while others are absorbed.

09 September 2019 6,520 9 View

I want to construct a solar adsorption refrigerator using parabolic trough. How can I assemble my adsorption bed in the collector?

To enable me have high heat generated in the adsorption bed I decided to use parabolic trough solar collector for my adsorption solar refrigerator.

12 March 2019 4,614 4 View

Anyone knows who makes these piles of small stones?

I am attaching a couple of photos of small stone piles - the piles have a diameter of up to 10 cm, and can be up to 4 cm high (but sometimes they are quite flat). The small stones are about 2-5 mm...

16 May 2017 4,167 15 View

Does anyone know the effect of one broken electrode in a pulsed field gel rig?

14 August 2015 4,841 5 View

Are there any commercial companies that measure telomere length using either qPCR or TRF?

I am stuck trying to measure telomeres using TRF and running out of time. Are there any commercial companies I can go to? How much would that cost?

09 December 2013 869 2 View

Harnessing the available solar energy in my place for domestic use.

I am in a region where there is high solar radiation and I wish I could design and construct something that will harvest and use the energy for domestic use and will also serve as my thesis work.

01 January 1970 4,478 9 View

Solar adsorption refrigeration.

Research has shown that there is wide scope for further development to improve the thermal performance of adsorption cooling systems including development of new adsorbent materials,...

01 January 1970 9,956 18 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How can I represent SDS-PAGE results for machine learning analysis?

I am trying to classify and analyze the results of an SDS-PAGE based array for bacterial detection using machine learning, but I have trouble finding the best way to represent the results with...

27 February 2021 9,176 3 View

How relevant is Mini slump cone?

for all the rheology researchers, my question is, how relevant is a mini slump cone (smaller than a standard 50 cent rheometer). currently based on testing, the thickness of slumped material is...

26 February 2021 3,668 1 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

How to reduce residual stresses in MD simulation?

I am working on a preparation of representative polymeric structures of some popular polymers, such as polyimide or PTFE for MD simulation, during which a single nitrogen or oxygen atom will be...

24 February 2021 8,105 3 View

Suggestions for occupational stress surveys?

I am currently writing a masters thesis on reasons for occupational stress in the early childhood classroom, and want to include a short survey assessing participants work-related stress levels. I...

24 February 2021 8,678 2 View

How the values of errors can be calculated for thermodynamic data?

I have calculated thermodynamic parameters for surfactant solutions in aqueous and mixed alcoholic solvents. I want to calculate the value of errors in the data and represent it in the table along...

22 February 2021 239 2 View

The most suitable method to calculate the stress intensity factor in the presence of contact between the crack lips?

I'm trying to study cracked structures under a compressive load taking into account contact between the crack lips. I would like to know if the method of extrapolation by displacement remains...

21 February 2021 8,694 4 View

How to assign two different material/section properties in Abaqus(UMAT)?

Hi everyone, I am conducting a non-linear multi-layer pavement structure analysis which is a stress-dependent. So far, I am able to define the nonlinearity for one soil layer for its resilient...

11 February 2021 9,607 3 View