Thermodynamics is the branch of natural science concerned with heat and its relation to other forms of energy and work. | Contact experts in Thermodynamics to get answers
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Questions related to Thermodynamics
Hi everyone, I'm trying to plot hydrogen/air autoignition time vs. inlet temperature. I used a closed homogeneous module in Chemkin. Also, I used Galway hydrogen mechanisms for thermodynamics and...
19 August 2020 4,259 2 View
It is suggested that as a measurement of the collagen stability, the denature temperature Td is comprised by both the hydrogen bond from triple helix and an entropic part of the fibril. The...
14 August 2020 5,613 1 View
Adsorption reaction on SnO2 surface Say for ex. 2nh3 + 3O- NOx + 3h2o + 3e 2H2S + 15O- 2SO2 + 2h2o + 6e
03 August 2020 466 3 View
For the world is unaware of the fact that Zwicky was right in discovering the expansion-free explanation of Hubble’s cosmological redshift law that very same year. Zwicky got confirmed later by...
14 July 2020 5,782 17 View
I need to do some calculation works related to concrete using thermodynamic software. If anyone has supportive documents, please help me.
10 July 2020 6,923 2 View
Please help me I am working on an absorption refrigeration system, using two different working fluids such as LiNO3-H2O and LiBr-H2O, which of one gives better performance.
29 June 2020 937 3 View
Suppose you have a sealed can of liquid refrigerant 134-a. This can is allowed to be in thermal equilibrium with the room which is at 25°C. The lid is then slowly opened so that some refrigerant...
01 June 2020 7,996 1 View
Hello fellow researchers. As you may be aware, the equations proposed by Penman and Penman-Monteith have been successfully used for predicting the rates of moisture losses (E or ET) from a bare...
20 May 2020 3,431 0 View
Please don't answer because U(T,V) don't have S entropy as argument!!!!!! May I ask a question on thermodynamic? We know that U(V,T) (caloric eq. of state) and S(P,V) (thermodynamic eq of state)...
01 May 2020 7,214 1 View
What is the value of R and Can I use the value of T in degree Celsius? Can you please help me giving details procedure?
17 April 2020 9,056 10 View
I have problem, while using Chemkin II (GRI 3.0) mechanism of methane. Firstly I am confused what to put ignition temperature but I am putting 1050 K. Second is that in calculating laminar burning...
13 April 2020 2,158 3 View
It is known that the Umov-Poynting vector is an indicator of the transfer of energy and momentum by a (sound and electromagnetic) wave. Therefore, the wave exerts pressure in the direction of...
12 April 2020 6,208 0 View
I'm doing a study on piston materials and I'm wondering if low thermal conductivity would be advantageous. Assuming the cylinder walls could be perfectly insulated and all engine components could...
08 April 2020 6,792 0 View
Hello All, Currently, I am using a licensed version of ANSYS 2019 R2 along with CHEMKIN Pro Package. I was trying to import a CHEMKIN reaction mechanism file (.inp) that is included in CHEMKIN...
06 April 2020 5,737 1 View
Need it for multiphase simulation in OpenFOAM. The default value is 0.07 N/m.
27 March 2020 5,247 4 View
Thermodynamics is the science of temperature, pressure, and volume relationship. The gravitational force might get macroscopic / microscopic effects. Not known yet.
21 March 2020 8,363 10 View
If we consider the Kinetic and thermodynamic analysis a set of " Language " to express thermal degradation of a substance, then what would both tend to inform us. 1. Are Kinetic parameters just...
17 March 2020 3,007 8 View
In the adsorption studies, the thermodynamic parameters ΔH°, ΔS°, ΔG° can be calculated using the following equations: ΔG° = – RT ln Ke ΔG° = ΔH° – TΔS° ln Ke =(ΔS°/R) – (ΔH°/RT) I found some...
10 March 2020 3,124 5 View
Hello to all: I'm trying to think in the following interesting problem: I have a system which are polycrystals (grains) of Bi2Te3 (actually this compound is a quaternary alloy of Bi, Te, Se and...
06 March 2020 4,964 3 View
Dear Colleagues : Does anyone have literature referencing the diffusion process of Carbon (I mean Carbon atoms) into Bismuth Telluride (Bi2Te3) or into some other compound alike ? E.g. PbTe,...
06 March 2020 3,099 2 View
We have a solution with an oxygen concentration of 6.5 ppm. How to Calculate Oxygen Pressure in a Solution Using Oxygen Concentration?
25 February 2020 8,665 3 View
Many researchers consider superconductivity (SC) an equilibrium phenomenon, because there is no external acting force (zero resistivity) and only temperature change is sufficient to make the phase...
12 February 2020 5,327 29 View
A mixture of gases 11% CO2 - 89 % N2 (molar) at a temperature of 300 °C and total pressure of 1400 psi. ¿CO2 and N2 at these conditions are in the gas phase or in supercritical state? I mean,...
12 February 2020 3,170 10 View
As I know, DFT calculation only predict thermodynamic energy. For example, in case of A + B -> C reaction, whether this reaction is endothermic or exothermic. Then, what I want to know is...
05 February 2020 9,439 4 View