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Year-round operation the solar powered hybrid adsorption-compression refrigeration cycle
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Title: Year-round operation the solar powered hybrid adsorption-compression refrigeration cycle

Creator:

Duda, Roman ; Cyklis, Piotr

Date:

2019

Type:

artykuł w czasopiśmie

Description:

In our earlier papers a hybrid adsorption-compression refrigeration cycle was presented. The hybrid, two stages cycle is based only on the natural refrigerants: water and carbon dioxide. The main advantage of the hybrid cycle is that the carbon dioxide compression cycle is subcritical because during the year-round operation it is possible to maintain the condensing temperature below 20 oC. During the hot season, this is achieved by adsorption cooling, during cold seasons the wet cooling tower is sufficient. Already several years of experience, allowed to gather a considerable amount of measurement data. The refrigeration system is working in our laboratory constantly since 2013. In 2015 the adsorption system was upgraded by the manufacturer. In 2017 frequency inverter for wet tower fan controlling was introduced. The refrigeration chamber was used for tests with different content and operation of the refrigeration chamber (loading and unloading). The assumed CO2 evaporating temperature was -35 oC. The averaged for HT(High Temperature) part of the cascade (adsorption cycle only) COPHT=0.51 for the whole year 2018. This may be considered a very good performance.

Place of publishing:

Koszalin

Publisher:

Publishing House of the Koszalin University of Technology

Format:

application/pdf

Identifier:

oai:dlibra.tu.koszalin.pl:1555

Language:

eng

Is part of:

Journal of Mechanical and Energy Engineering. Vol.3 (43), nr 4, s. 317-322

Rights:

Biblioteka Politechniki Koszalińskiej

Access rights:

internet

Exlibris

Subject and keywords:

hybrid compression adsorption refrigeration cycle

Object collections:

Last modified:

Jul 4, 2022

In our library since:

Jul 4, 2022

Number of object content hits:

44

All available object's versions:

https://dlibra.tu.koszalin.pl/publication/1559

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Duda, Roman, 2019, Year-round operation the solar powered hybrid adsorption-compression refrigeration cycle Jul 4, 2022
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Biblioteka Politechniki Koszalińskiej ul. Racławicka 15-17 75-620 Koszalin

Phone

(+48) 94 34 78 455

E-Mail

dlibra@tu.koszalin.pl

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