Why exergy cost of overall system is only 14.582 $/GJ? Isn't the solution pump a fuel too? Why didn't you include it? Shouldn't it normally be 24,582 $/GJ?
How can I calculate horizontal and vertical wheel load according to Figure ? There is no specific reference book. I need to calculate horizontal and vertical wheel load (4 wheel and 8 wheel)
15 November 2023 1,080 0 View
I designed LiBr/H2O single effect absorption refrigeration system using Aspen Plus. Energy analysis is OK. However, exergy destruction rate of solution expansion valve in absorption refrigeration...
23 August 2021 7,359 4 View
THEORETICAL QUIESTION Adding nanoparticles to the base fluid, for example, causes a significant increase in the temperature of the evaporator. What is the reason of this? I want to operate...
11 July 2021 5,662 6 View
desired cooling capacity should be given as input parameter in ejector expansion vapor compression refrigeration systems? if it is given, COP value is higher than non-given cooling capacity? i'm...
23 June 2021 6,077 0 View
Is it possible to calculate entalphy of LiBr/H2O or another solution if we know correlation of specific heat without using any software?
17 January 2021 5,917 3 View
How can I define the following mixture in Aspen Plus: "Potassium formate-Water-AL2O3" If you know, could you please explain step by step via some screenshots from Aspen Plus ?
22 December 2020 5,346 3 View
Although there are already studies in the literature but not much , the use of potassium formate/water or potassium formate+LiBr/Water are not available in the commercial sector for absorption...
16 November 2020 3,146 2 View
How to write the fuel and product exergy balances in the cascade heat exchanger in the cascade refrigeration system?
22 September 2020 2,152 4 View
Is it possible to add heterogeneous catalyst substances to LiBr-Water for absorption refrigeration system ? If yes, how ?
03 May 2020 7,130 0 View
How can concentration in terms of rich and poor be affected by adding nanoparticles to LiBr-Water?
23 March 2020 6,906 7 View
The diagram suggests that there is a contradiction within the second law of thermodynamics and Carnot's efficiency theory. According to the second law, Carnot efficiency is independent of the...
08 July 2024 7,478 4 View
I want to find the values of h and s by manual calculating for X% each.
28 May 2024 6,885 2 View
Dear Experts, I am currently conducting a Molecular Dynamics (MD) simulation using the NAMD package to observe the formation of a two-phase system between glucose, acetonitrile, and water. To...
26 May 2024 5,711 2 View
ΔG = 12.77 ΔH = -37,92 ΔS = -162,40
07 May 2024 4,942 3 View
i want to calculate finite speed thermodynamic analysis with EES or MATLAB
02 May 2024 1,065 1 View
Hi there, My area of research is an aqueous Zinc ion battery and my goal is to find the binding affinity and thermodynamic properties of Zn-ions binding with polyacrylic acid (PAA) by ITC...
30 April 2024 4,171 0 View
Since Hawkings theorem of black hole radiation, a lot of work has been done to link uncertainty principle as a consequence of thermodynamic principles, gravitational force as a requurement for...
20 April 2024 6,785 1 View
Hello All, Greetings The issue I am encountering pertains to the Chemkin files to be uploaded into the Ansys Fluent software. Unfortunately, I am encountering persistent errors, and it seems the...
04 April 2024 8,189 0 View
Cyclic Voltramettry
26 March 2024 3,492 1 View
Can 0.5 mbar O2 oxidize polycrystalline Ag at room temperature, thermodynamically?
13 March 2024 1,380 3 View