Results 91 to 100 of about 1,143,677 (213)

CO2 Transcritical Refrigeration Cycle with Dedicated Subcooling: Mechanical Compression vs. Absorption Chiller

open access: yesApplied Sciences, 2019
The objective of this paper is the comparison of two dedicated subcooling methods, after the gas cooler, in a CO2 transcritical refrigeration system. The use of vapor compression refrigeration with R134a for subcooling is the first method, and the second
Evangelos Bellos, Christos Tzivanidis
doaj   +1 more source

Technical and Economic Analysis of an Absorption Chiller

open access: yesThe Eurasia Proceedings of Science, Technology, Engineering and Mathematics
The research conducted includes a technical and economic analysis of an absorption chiller used for cooling a hotel in the city of Plovdiv - Bulgaria. The main objectives of the analysis are: to establish whether the project is profitable or not; to provide an opportunity to compare different project options; to provide information to a bank or other ...
Slav Valchev   +2 more
openaire   +1 more source

Performance of Steam Absorption Rate and Refrigeration Efficiency of LiBr Aqueous Solution added with Active Carbon Particles

open access: yesZhileng xuebao, 2012
To enhance the steam absorption rate and refrigeration efficiency of a absorption chiller, the active carbon/LiBr suspension was made up of a little active carbon particles and LiBr aqueous solution based on higher absorption performance of active carbon.
Cai Jie   +2 more
doaj  

THE ORETICAL ANALYSIS ON THE PERFORMANCE OF BRANCHED GAX CHILLER CYCLE

open access: yesIraqi Journal for Mechanical and Materials Engineering, 2019
In this study, a branched GAX absorption cycle operating with NH3-H2O pair has been investigated to assess its performance under steady state conditions. The cycle modeling is implemented using Engineering Equation Solver (EES) software.
Qusay R Al-Amir, Nagham Y Khudair
doaj  

PART LOAD PERFORMANCE ANALYSIS OF ELECTRIC CHILLER AND STEAM ABSORPTION CHILLER AT DISTRICT COOLING PLANT

open access: yes, 2017
Universiti Teknologi PETRONAS (UTP) uses district cooling (DC) system for air-conditioning purpose. The UTP GDC plant produces chilled water. Chilled water is produced by two different types of chillers namely the Electric Chiller (EC) and Steam ...
ZULAZNI, MUHAMMAD ASYRAF
core  

Performance characteristics of a solar driven lithium bromide-water absorption chiller integrated with absorption energy storage

open access: yes, 2017
The use of solar–assisted absorption chiller for space cooling is limited to availability of solar radiation; hence, energy storage is very crucial in order to achieve extended hours of cooling operation.
Al Sulaiman, F. A.   +2 more
core  

The effect of external and operating conditions on a solar Lithium Bromide absorption chiller

open access: yesRevue des Énergies Renouvelables, 2014
The excessive consumption of fossil energies (electrical energy) during summer caused by the technological development involves more and more climate warming, in order to relieve insistency between electric supply and demand, heat driven absorption ...
N. Hatraf, M. Abbas, L. Merabti
doaj  

Efficient solar cooling: first ever non-tracking solar collectors powering a double effect absorption chiller [PDF]

open access: yes, 2011
This thesis reviews the work that was done before my time as a graduate student so that one may understand the solar thermal technology and specific design, and why a double effect absorption chiller was chosen as the ideal application; and how we ...
Poiry, Heather Marie
core  

Theoretical analysis of absorption chiller system [PDF]

open access: yes, 2010
Absorption chiller is a cooling system that uses heat instead of electricity to cool something. The different types of absorption chillers are solar, water, gas, and bromide with steam. The process to cool a building with an absorption chiller is similar
Mohd Hafeez, Alias
core   +2 more sources

Investigation of a solar thermal driven Refrigerated Warehouse in Tripoli-Libya using TRNSYS [PDF]

open access: yesSolar Energy and Sustainable Development, 2018
This paper, illustrates a design and simulation of a solar powered absorption refrigeration system preserves food above freezing point. The main system is modified from a commercial conventional system located at Tajoura, Libya.
Mukhtar BenAbeid
doaj  

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