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Questions related to Heat
Laser specs: Yb Laser Wavelength=1070 nm Mode of operation : cw/modulated Maximum average power=400 W Modulation frequency= 0-50 kHz
20 February 2020 8,665 3 View
Hi, I am trying to model a laser melting simulation, where a solid is being heated by a laser source (refereed as a Gaussian heat source). For that, I took a domain (Grey color in the attached...
19 February 2020 3,297 4 View
I’m performing some cellular pharmacokinetics and need to separate cytosol from vescicle content in a pellet of cells treated with our compound, to determine its on-cell walk and...
18 February 2020 3,027 1 View
Dear all, I want to calculate the wall gains or heat gain from the building envelope for my building type 56 with one zone/ air node. I read "Volume 5 Multi-zone Building modeling with Type56 and...
17 February 2020 3,114 2 View
Hello, is it possible to simulate the amount of slag that is generated under certain conditions (pressure, temperature, holding time of the melt)? e.g. can i enter a chemical composition of a...
14 February 2020 1,172 3 View
I am trying to form a bismuth complex using thiosemicarbazones as ligands. Many articles I read describe the bismuth complex as a yellow precipitate orange or red but not black. I am using bismuth...
13 February 2020 1,278 2 View
i have bismuth(III) nitrate pentahydrate and 2M nitric acid. how much nitric acid in ml used to dissolve 1gram of bismuth nitrate completely
13 February 2020 6,050 4 View
During Power Range, Engine Requires Richer Mixture, for - 1. Providing the best/more power 2. Preventing the overheating of engine components, as ENRICHING THE MIXTURE REDUCES THE FLAME...
11 February 2020 7,414 7 View
Hi I'm have been looking into temperature control over atmosphere and water pool, within a 100 liter volume chamber, usually used for local adaption trials in intertidal species. Now...usually...
11 February 2020 4,726 6 View
Hello, I have synthesized zif-8 using a three fold excess of 2-methylimidazole. I would like to purify the excess 2-methylimidazole from uncreated zinc nitrate (very little) and nitrate. What...
11 February 2020 3,707 3 View
In experimenting reuse of waste heat/exhaust fumes, can I use waste heat from electric generating set for heating in refrigerating cycle, Is it practicable? Rankine and Vapour Absorption cycles...
06 February 2020 2,416 4 View
Experimental Investigation on a Low Heat Rejection Engine Operated With a Promising Biofuel Emulsion.
31 January 2020 1,424 6 View
I want to purified my PEG (400 g/mol) after réaction. I converted hydroxyl group for carboxylic one by using succinc anhydride and DABCO. How to remove DABCO and SA from mixture or what can I use...
25 January 2020 840 1 View
Due to rapid change of e m flux can heat energy be generated ? If not, what is the basic cause of heat generation due to friction ? Regards Nityananda Das
22 January 2020 6,482 4 View
Is there anyway that I can implement a heater that can generate a constant power of heat, such as 5W, 10W of heating (not depend on the temperature). Thanks!
21 January 2020 619 8 View
I am trying to perform an energy balance on surface 1 as shown in the attached figure. The main difference is that I am also trying to account for an airflow through the duct. Could someone give...
20 January 2020 3,546 8 View
Is there any other method for SA stock preparation
16 January 2020 6,723 4 View
GA3 is added for germinating seeds in-vitro but should it be added before or after autoclaving
16 January 2020 2,473 7 View
Hi. Thank you for looking into my question. I have designed specific structures that need two layer of photoresist. The first layer is planned to be dual-tone negative and the second layer to be...
16 January 2020 5,195 3 View
I sorted human PBMC, then washed the cells and stored at -80C as dry cell pellet last year. This year, I pulled out the dry cell pellet from freezer and lysed with in-house lysis buffer. The...
16 January 2020 3,206 0 View
Why does polyethylene glycol derivatives in the presence of strong bases (sodium methoxide, potasium ter-butoxide, etc.) and heat (80-100 ° C) change color (colorless to yellow-brown)? And if the...
13 January 2020 2,745 2 View
Extracting total protein from plant leaf and used a protocol where the lysis buffer is 10%TCA in acetone w/ 0.007g DTT added. The pellet was then re-suspended in acetone and DTT. This also was the...
12 January 2020 6,477 3 View
I wonder for some time if the following calculation is wrong or if it gives the right impression. Methane is on a 100 year timescale about 28 times stronger than CO2 and on 20 years even about...
05 January 2020 6,858 4 View
we are working on the simulation of Supercritical CO2 fluid in a heat exchanger application. Whether the user-defined function to be used or REFPROP call function in Fluent is sufficient. The...
25 December 2019 4,748 1 View