Results 1 to 10 of about 268,347 (264)

Optimization of secondary air system for enhanced combustion efficiency and CO2 emission reduction in 1000MW boilers

open access: yesResults in Engineering
The optimization of combustion processes in large-scale power generation systems is crucial for improving energy efficiency and reducing carbon dioxide (CO2) emissions.This study focuses on enhancing the combustion state in a 1000MW double tangential ...
Tianlong Wang   +4 more
doaj   +3 more sources

Conjugate Heat Transfer Analysis of the Aero-Thermal Impact of Different Feeding Geometries for Internal Cooling in Lifetime Extension Processes for Heavy-Duty Gas Turbines

open access: yesEnergies, 2022
Regulations from the European Union move towards a constant reduction of pollutant emissions to match the single-digit goal by 2050. Original equipment manufacturers propose newly designed components for the lifetime extension ofgGas turbines that both ...
Lorenzo Laveneziana   +7 more
doaj   +1 more source

A review of heat recovery technology for passive ventilation applications [PDF]

open access: yesE3S Web of Conferences, 2023
Regenerative heat exchangers are widely used in life support systems, gas turbines, boilers and other high-temperature industrial installations. These heat exchangers are used for cooling and heating gases, humidification and dehumidification of gases ...
Shodiyev Bobur   +4 more
doaj   +1 more source

Retraction Notice: The Effect of Break Edge Configuration on the Aerodynamics of Anti-Ice Jet Flow [PDF]

open access: yesEPJ Web of Conferences, 2015
This article has been retracted because the authors have plagiarized part of a confidential report entitled “Ön Yatak Taşıyıcı Parça Üzerindeki Palelerden Tahliye Olan Havanın Yüzeye Etkisinin Araştırılması” by Bedii Ozdemir and Yasar Multu.
Tatar V., Yildizay H., Aras H.
doaj   +1 more source

Influence of ambient temperature on the efficiency of underground spot cooling system [PDF]

open access: yesMATEC Web of Conferences, 2022
In mine air conditioning systems, the vapour compression refrigeration cycle seems to be currently the most widespread method of artificial cooling.
Dosa Ion   +3 more
doaj   +1 more source

Persistence of open-air markets in the food systems of Africa's secondary cities

open access: yesCities, 2022
Corrie Hannah   +8 more
openaire   +3 more sources

Thermal Comfort and Energy Analysis of a Hybrid Cooling System by Coupling Natural Ventilation with Radiant and Indirect Evaporative Cooling

open access: yesEnergies, 2021
A hybrid cooling system which combines natural ventilation with a radiant cooling system for a hot and humid climate was studied. Indirect evaporative cooling was used to produce chilled water at temperatures slightly higher than the dew point. With this
Pradeep Shakya   +5 more
doaj   +1 more source

Indoor Air Quality in Public Health Centers: A Case Study of Public Health Centers Located on Main and Secondary Roadsides, Bangkok

open access: yesEnvironment and Natural Resources Journal, 2022
This cross-sectional study investigated the indoor air quality (IAQ) of public health centers (PHCs) and primary health care units in Bangkok to determine the impact of the different locations and ventilation systems concerning IAQ.
Natlada Boonphikham   +4 more
doaj   +1 more source

Real-World Effectiveness of Portable Air Cleaners in Reducing Home Particulate Matter Concentrations

open access: yesAerosol and Air Quality Research, 2023
Portable air cleaners (PACs) equipped with HEPA filters are gaining attention as cost-effective means of decreasing indoor particulate matter (PM) air pollutants and airborne viruses.
Frederic T. Lu   +10 more
doaj   +1 more source

Simulation of the Secondary Air System of Aero Engines [PDF]

open access: yesVolume 1: Turbomachinery, 1992
This paper describes a computer program for the simulation of secondary air systems. Typical flow system elements are presented, such as restrictors, tappings, seals, vortices, and coverplates. Two-phase flow as occuring in bearing chamber vent systems is briefly discussed.
K. J. Kutz, T. M. Speer
openaire   +1 more source

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