Results 1 to 10 of about 1,326 (180)

Energy-saving optimization of the parallel chillers system based on a multi-strategy improved sparrow search algorithm [PDF]

open access: yesHeliyon, 2023
The energy usage of parallel chillers systems accounts for 25–40 % of the total energy cost of a building. In light of global warming concerns and the need for energy conservation, it is essential to distribute the load of the parallel chillers systems ...
Xiaodan Shao   +4 more
doaj   +2 more sources

Evolutionary Multi-Objective Optimization Applied to Industrial Refrigeration Systems for Energy Efficiency

open access: yesEnergies, 2022
Refrigeration systems based on cooling towers and chillers are widely used equipment in industrial buildings, such as shopping centers, gas and oil refineries and power plants, among many others.
Nadia Nedjah   +2 more
doaj   +1 more source

Optimal Operation of Chillers Plant in Academic Building by using Linear Programming Approach

open access: yesChemical Engineering Transactions, 2022
The operation of chillers plant in the HVAC system is not ideally efficient in major academic buildings because the chillers are operated without accounting for the cooling load demand of the air-conditioning area of the building.
Nur Izyan Zulkafli   +4 more
doaj   +1 more source

Gas turbine intake air hybrid cooling systems and their rational designing [PDF]

open access: yesE3S Web of Conferences, 2021
The general trend to improve the fuel efficiency of gas turbines (GT) at increased ambient temperatures is turbine intake air cooling (TIAC) by exhaust heat recovery chillers The high efficiency absorption lithium-bromide chillers (ACh) of a simple cycle
Radchenko Mykola   +5 more
doaj   +1 more source

Technical and environmental performance of a solar/gas driven absorption chiller using NH3/LiNO3

open access: yesRevue des Énergies Renouvelables, 2022
This study deals with the evaluation of the technical and environmental operation of solar/gas driven NH3/LiNO3 absorption chillers for malls under the environmental conditions of the city of Barranquilla, Colombia. It involves a sensitivity study on the
Carlos Amaris   +2 more
doaj   +1 more source

Comparison of Space Cooling Systems from Energy and Economic Perspectives for a Future City District in Sweden

open access: yesEnergies, 2023
In this study, the performance of different cooling technologies from energy and economic perspectives were evaluated for six different prototype residential Nearly Zero Energy Buildings (NZEBs) within a planned future city district in central Sweden ...
Sana Sayadi   +4 more
doaj   +1 more source

Immobilization of Lewis Basic Nitrogen Sites into a Chemically Stable Metal–Organic Framework for Benchmark Water‐Sorption‐Driven Heat Allocations

open access: yesAdvanced Science, 2022
Developing efficient and stable water adsorbents for adsorption‐driven heat transfer technology still remains a challenge due to the lack of efficient strategies to enhance low‐pressure water uptakes.
Bin Li   +5 more
doaj   +1 more source

Technical, environmental, and economic evaluation of a solar/gas driven absorption chiller for shopping malls in the Caribbean region of Colombia

open access: yesCase Studies in Thermal Engineering, 2022
This study discusses the technical, environmental, and economic feasibility of using absorption chillers driven by solar energy and/or natural gas, in selected shopping malls in Barranquilla, Caribbean region of Colombia.
Andrés Rodríguez-Toscano   +3 more
doaj   +1 more source

New Developments and Progress in Absorption Chillers for Solar Cooling Applications

open access: yesApplied Sciences, 2020
At present, novel, small-to-large capacity absorption chillers with unique technical features have emerged on the global market, and laboratory and pre-industrial prototypes have also been developed.
Dereje S. Ayou, Alberto Coronas
doaj   +1 more source

Development of Ultra-High-Efficiency Medium-Capacity Chillers with Two-Stage Compression and Interstage Vapor Injection Technologies

open access: yesEnergies, 2022
Chillers are widely used in commercial buildings for air conditioning, and their energy consumption is the main contribution to the building’s carbon emissions.
Zhiping Zhang   +5 more
doaj   +1 more source

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