Results 41 to 50 of about 5,242 (213)
Optimizing production efficiencies of hot water units using building energy simulations : trade-off between Legionella pneumophila contamination risk and energy efficiency [PDF]
, 2019 The energy needed for domestic hot water represents an important share in the total energy use of well-insulated and airtight buildings. One of the main reasons for this high energy demand is that hot water is produced at temperatures above 60°C to ...
De Backer, Lien +2 more
core +1 more source
A Review of Airside Heat Transfer Augmentation with Vortex Generators on Heat Transfer Surface
Energies, 2018 Heat exchanger performance can be improved via the introduction of vortex generators to the airside surface, based on the mechanism that the generated longitudinal vortices can disrupt the boundary layer growth, increase the turbulence intensity and ...
Lei Chai, Savvas A. Tassou
doaj +1 more source
Flow characteristics and heat transfer performance in a Y-Fractal mini/microchannel heat sink [PDF]
, 2019 This article presents a combined experimental and computational study to investigate the flow and heat transfer in a Y-fractal microchannel. Experimental apparatus was newly built to investigate the effect of three different control factors, i.e., fluid ...
Deng, Zhanfeng +8 more
core +2 more sources
Nuclear Engineering and TechnologyWhen analyzing containment thermal-hydraulics, computational fluid dynamics (CFD) is a powerful tool because multi-dimensional and local analysis is required for some accident scenarios. According to the previous study, neglecting steam bulk condensation
Shu Soma +3 more
doaj +1 more source
1D models of the thermohydraulic systems supported by CFD results and measured data
EPJ Web of Conferences, 2014 In this paper is reported the way of simulation of thermohydraulic systems as whole real systems consisting of many parts. The crucial demand in our approach was to develop a software within the whole thermohydraulic system could be quickly designed and ...
Čibera Václav +2 more
doaj +1 more source
Авіаційно-космічна техніка та технологія, 2023 The modern gas turbine engines (GTEs) development is associated with an increase in the compressor pressure ratio and the gas temperature at the turbine inlet with a simultaneous reduction in the size and weight of the engine.
Taras Mykhailenko +2 more
doaj +1 more source
EnergiesThe automotive industry is increasingly focused on developing more energy-efficient and eco-friendly air-conditioning systems. In this context, CO2 microchannel gas coolers (MCGCs) have emerged as promising alternatives due to their low global warming ...
Shehryar Ishaque +2 more
doaj +1 more source
An oriented-design simplified model for the efficiency of a flat plate solar air collector [PDF]
, 2010 In systems design, suitably adapted physical models are required. Different modelling approaches for a solar air collector were studied in this paper. First, a classical model was produced, based on a linearization of the conservation of energy equations.
JANNOT, Yves +2 more
core +3 more sources
Experimental Factors and Techniques for Pool Boiling Heat Transfer Enhancement: A Critical Review
Heat Transfer, EarlyView.ABSTRACT This review presents a comprehensive assessment of active strategies for enhancing pool boiling heat transfer, with a focus on techniques that do not rely solely on the boiling surface modification. It examines a broad range of methodologies including fluid additives, external fields, mechanical interventions, and thermal‐geometric tuning that
José E. Pereira +2 more
wiley +1 more source
Thermohydraulics of Quenches and Helium Recovery in the LHC Magnet Strings [PDF]
, 1997 In preparation for the Large Hadron Collider project, a 42.5 m-long prototype superconducting magnet string, representing a half-cell of the machine lattice, has been built and operated.
Chorowski, M +3 more
core +1 more source