Can anyone help with TRNSYS message 103 and total fatal errors: 1?

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Will the air inlet after evaporative pad cooling be reduced if I add some ice or cold water in evaporative water tank?

In evaporative pad cooling principle, the air after evaporative cooling can be reduced to wet bulb temperature. However, if I add some ice or cold water in evaporative water tank. Will the air...

11 December 2015 7,696 2 View

What are the parameters which affect the effectiveness of cooling tower?

In natural gas power plant, we have cooling tower 13 cells, 2 gas turbines, and 1 steam turbine (full load). I would like to know if we start 1 gas turbine and 1 steam turbine (half load), but the...

31 December 2014 2,750 17 View

Can anyone suggest me that why TRNSYS output is not equal to calculation value?

I tried to simulate counter flow heat exchanger by TRNSYS and excel calculation. Unfortunately, the value outputs (effectiveness, Tout, hotside, Tout, coldside of the two simulation are not equal...

02 March 2014 9,626 3 View

Does anyone know how to assume a broken mirror for a parabolic trough solar collector system?

I have broken parabolic mirrors in the system, and I would like to know that how can I find the broken fraction for calculating thermal efficiency.

02 March 2014 904 2 View

Can anyone suggest a flow meter to be used in my experimental test (parabolic trough solar collector)?

In my experiment, I'll use hot oil as the heat transfer fluid. Can I use a flow meter which is normally used with water? If I can use it, do I have to calibrate anything else?

31 December 2013 1,944 11 View

How can a parabolic trough solar collector be created in TRNSYS16?

I'm doing research on a parabolic trough and using TRNSYS as a simulation tool. However, in TRNSYS, it does not have parabolic component in any function. So, how can I join parabolic collector...

11 December 2013 8,347 3 View

How do I create .tmy2 file for TRNSYS?

I have meteorological data (.txt file) for my station but I don't know how to convert to .tmy2 file.

10 November 2013 904 15 View

How to develop investments in renewable energy sources?

08 August 2024 5,112 3 View

Stability of the Solar System: Insights from Einstein’s Equations ?

The stability of the Solar System is a complex subject that blends the classical framework of Newtonian mechanics with the modern insights provided by General Relativity (GR). Understanding this...

07 August 2024 2,569 1 View

How to use Density Functional Theory to calculate carrier mobilities of solid system?

Hello, everyone. I have tried to determine carrier motilities of some materials, by Density Functional Theory, using Quantum ESPRESSO. There are a few methods to do it, like a package called...

04 August 2024 8,894 1 View

Does continues partial charging/discharging do any harm to the BESS performance and degradation?

For a grid connected BESS (lets say 100 MW/200 MWh system, LFP battery), if we charge the BESS in such a way that whenever we can access power from the solar that will charge the BESS. Hence it...

01 August 2024 9,903 7 View

Best mask design for metal deposition aiming build a Perovskite solar cell device?

What types of mask designs for metal deposition, to be used in a PVD system, are best suited for perovskite-based solar cells?

31 July 2024 4,835 3 View

Is artifacts in XPS possible to build high deviation in binding energy larger than 5 eV??

Hello. Thanks for your consideration to see my question. Recently, I conducted XPS anaylsis of g-CN that is prepared from thermal polycondensation of DCDA, so-called conventional bulk-g-CN,...

30 July 2024 9,824 2 View

Is there a database with onshore wind production for the wind farms in Portugal?

I am looking to predict some production for future onshore wind energy production in Portugal, is there any database with info of performances of the existing wind farms in the country? something...

28 July 2024 1,750 1 View

Which filtration method to go for run off water from dirty solar panels to be used again?

We are working on a robot that cleans solar panels using fresh water supply and a rotating brush. We are trying to conserve as much water at possible by recycling the dirty water that is collected...

28 July 2024 5,778 2 View

HAs anyone used TGA to find activation enegy of water evaporation?

I have different polymer solutions and I hypothesize that water molecules are retained based on the water-polymer interactions, so the amount of free water is less to intercat with drug tablet....

28 July 2024 9,545 6 View

How to conduct a sensitivity power analysis for Kendall's Tau?

Is there a straightforward way to conduct a sensitivity power analysis for a Kendall's Tau correlation? I was considering using the sensitivity setting and "Correlation: point biserial model" test...

28 July 2024 6,133 8 View