Results 1 to 10 of about 6,115 (200)

DNTB: Dual-branch network model based on transformer and Bi-LSTM for energy consumption prediction in building chiller systems. [PDF]

open access: yesPLoS ONE
Accurate prediction of chiller energy consumption is crucial for reducing building energy consumption. In this study, an innovative dual-branch network architecture DNTB (A Dual-Branch Network Model Based on Transformer and Bi-LSTM for Energy Consumption
Andong Chen   +5 more
doaj   +2 more sources

Campylobacter and Salmonella levels and chemical composition of commercial whole bird carcass pre-chiller rinses

open access: yesJournal of Agriculture and Food Research, 2020
In order to assess the impact of pre-chiller temperatures on whole bird carcass rinses (WBCR), trials were conducted to analyze the effects of pre-chiller temperatures on the microbial and chemical composition of the pre-chiller water and the incidence ...
R.E. Blevins   +5 more
doaj   +1 more source

The evaluation of energy saving performance for the modular design centrifugal chiller [PDF]

open access: yesE3S Web of Conferences, 2019
The modular concept design and operation of a centrifugal chiller offers the potential of increased cycle efficiency both at full load and off load conditions compared to the single compressor chiller. Modular chiller design is that a smaller, individual
Hwang YoonJei   +5 more
doaj   +1 more source

The effect of the chilled water temperature on the performance of an experimental air-cooled chiller

open access: yesVietnam Journal of Mechanics, 2021
This paper presents the study results on the effect of the chilled water temperature on the coefficient of performance (COP) of an experimental air-cooled chiller.
Phan Thi Thu Huong   +2 more
doaj   +1 more source

Variable flow and optimization of chiller loading effect on energy saving for screw vapor compression-single effect absorption hybrid chiller plant in hospital mechanical room ‒ case study: Tehran heart hospital

open access: yesMechanics & Industry, 2021
Chiller plants are the most energy consuming system during summer season in residential, commercial and hospital buildings. The highly variable cooling demand of the buildings connected to a hybrid chiller plant included absorption and vapor compression ...
Boghosian Ronald   +3 more
doaj   +1 more source

INCREASING THE EFFICIENCY OF GTU INTAKE AIR COOLING TAKING INTO ACCOUNT THE CLIMATIC PECULIARITIES OF PERFORMANCE

open access: yesАвіаційно-космічна техніка та технологія, 2017
Cooling the air at the inlet of gas turbine units by utilizing the exhaust gas waste heat in the combined absorption-ejector chiller with absorption lithium-bromide chiller as a gas turbine unit and refrigerant ejector chiller as a low temperature ...
Андрей Николаевич Радченко
doaj   +1 more source

Performance Evaluation of Centrifugal Refrigeration Compressor Using R1234yf and R1234ze(E) as Drop-In Replacements for R134a Refrigerant

open access: yesEnergies, 2022
With the increasing global requirements for environmental protection, refrigerants with ODP of 0 and low GWP are widely concerned and applied. In this paper, the CFD numerical method simulates the R134a centrifugal compressor directly replaced by R1234yf
Kexin Yi   +5 more
doaj   +1 more source

Possibilities of Adapting a Free-Cooling System in an Existing Commercial Building

open access: yesEnergies, 2022
Increasingly, the exploitation of buildings involves the need for comprehensive management of all systems operating within it, their continuous monitoring, both for the safety of users and to mainly optimize the operating parameters of systems that are ...
Sławomir Rabczak, Krzysztof Nowak
doaj   +1 more source

Centrifugal Compressors Gas-Dynamic Characteristics Influence on the Refrigerating Machines Efficiency [PDF]

open access: yesProblems of the Regional Energetics, 2023
The article is devoted to the study R134a refrigerating machine efficiency and consisting of a centrifugal compressor, a condenser, a temperature-regulating valve and an evaporator.
Danilishin A.M., Kozhukhov Y. V.
doaj   +1 more source

Research of Salmonella spp. and indicators microorganisms in poultry carcasses and chilling tanks water in poultry slaughterhouse/
Pesquisa de Salmonella spp. e microrganismos indicadores em carcaças de frango e água de tanques de pré-resfriamento em abatedouro de aves

open access: yesSemina: Ciências Agrárias, 2007
The purpose of this work was to research the Salmonella spp. and indicators microorganisms (total coliforms-CT, thermotolerant coliforms-CTT, mesophlic aerobes-AM and psychotrophic microorganisms) in poultry carcasses and chilling tanks water in a ...
Ernst Eckehardt Muller   +5 more
doaj   +1 more source

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