How to calculate performance of Evacuated tube solar water heater?

I wants to calculate theoritical performance of Evacuated solar water heater using excel programing. can any body share such programmed file.

27 March 2020 2,818 3 View

How can we purify the crude extracts of animal tissues?

I have crude extracts of an animal tissues in different solvents. How can I purify them before going to check its bio activities??

16 July 2019 5,935 1 View

Can we develop microcontroller based solar radiation measuring device?

I want to develop a Microcontroller based solar radiation measuring device. Can any body guide me?

28 March 2019 1,248 8 View

Which is the international event is going to held in Gujarat state of India?

Global innovative and scientific conference is going to held in Gujarat in India. Can any body aware me about it.

14 January 2019 9,353 4 View

Which type solar thermal collector give better results FPC or ETC?

I am designing solar water heaters using different solar thermal collector. But I want to known your valuable opinions.

07 January 2019 6,818 9 View

Is it possible to use solar energy to provide total energy need of this planet in place of conventional energy?

Now a days photovoltaic is found as a emerging technology to satisfy the needs of whole world energy demands. Other solar thermal technologies also play important role to overcome the need of...

21 December 2018 2,549 21 View

Biasing circuit for varactor/pin diode in reconfigurable antenna?

I need to know abt biasing ckt for varactor and PIN diodes to be used in reconfigurable microstrip filter. I have seen ckt given in datasheet. It seems it is having more inductor and capacitors...

06 December 2018 5,543 5 View

What is the meaning of GOR in solar desalination system?

The performance of desalination is measured by PR and GOR . I wants to know about GOR.

20 October 2018 1,358 1 View

How to calculate no of tubes and pitch of steam condenser?

I m trying to design a steam condenser for solar desalination. The steam is produced from the water of 80 C by reducing the pressure upto 0.06 bar. The cooling water inlet temperature is 20 C .

11 October 2018 2,666 3 View

Is it possible to measure the thickness of solar radiation?

It hard that solar rediation have some Nemo scale or micro scale thichness. Is it true or false? Please give your opinion.

07 October 2018 7,665 13 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

How to use measure capacitance change in COMSOL time dependent study ?

I want to measure change of capacitance due to relative displacement between two parallel plates in COMSOL. Distance between two plates changes with time. So I'm using a time dependent study but...

26 February 2021 8,567 3 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View