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

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 much vacuum pressure required for flash chamber for effective desalination in solar desalination with flash evaporation.?

Desalination with solar water heater is tried. The temp of solar heated water was 85 C. Our team was confused about the flash chamber pressure.

22 September 2018 798 3 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View

can I treat waste water containing solvents and alcohol with electrocoagulation?

there are solvents and alcohol in the waste water of a factory that produces disinfectants. Increasing this waste water requires very serious operations. Can I treat this waste water with...

27 February 2021 2,609 3 View