UJI graduate Cosmin Mihai Udroiu wins the second HVACR Award of the Spanish Technical Association of Air Conditioning and Refrigeration for his bachelor’s thesis 



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## UJI graduate Cosmin Mihai Udroiu wins the second HVACR Award of the Spanish Technical Association of Air Conditioning and Refrigeration for his bachelor’s thesis

05/05/2022 |
SCP

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Cosmin Mihai Udroiu, a graduate of the Bachelor’s Degree in Mechanical Engineering of the Universitat Jaume I, has obtained the second position of the HVACR Award of the Spanish Technical Association of Air Conditioning and Refrigeration with his bachelor’s thesis (TFG).

The TFG, directed by Adrián Mota and Joaquín Navarro, consisted of the study of cascade compression cycle configurations for ultra-low temperature (-80 °C) refrigeration.

Current systems are based on very inefficient technologies and, moreover, they use refrigerants with very high global warming potential due to the scarce study in this temperature range. Therefore, a modelling of 40 different cycles with 72 refrigerant combinations each has been carried out, for a total of 2,880 calculated cycles.

The study has made it possible to obtain results on the behaviour of cycles, components and refrigerants at such low temperatures and to propose a solution with 20% higher performance and also using natural refrigerants with no environmental impact.

It should also be noted that Pau Giménez Prades, a graduate of the Bachelor’s Degree in Industrial Technologies Engineering, has been a finalist from the Valencian Community and has participated in the national round of the awards.

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