Results 111 to 120 of about 4,466,317 (351)

A simplified method for determining convective heat-transfer coefficients [PDF]

open access: yes, 1970
Convective heat transfer coefficients are determined by measuring temperatures of hot and cold fluids separated by wall, and temperature of wall at single point.
Huff, R. G.
core   +1 more source

Characterization of Macro/Microstructure and Corrosion Resistance of Austenitic Gas Tungsten Arc Welding Cladding

open access: yesAdvanced Engineering Materials, EarlyView.
Cladding is a proven method that boosts the surface qualities of mechanical parts by applying a layer of more durable material over a base substrate. This work responds to the needs of offshore and pressure vessels sectors by focusing on cladding a super austenitic steel onto low‐carbon steel through gas tungsten arc welding.
E. J. da Cruz Junior   +6 more
wiley   +1 more source

Evaluating humidity recovery efficiency of currently available heat and moisture exchangers: a respiratory system model study

open access: yesClinics, 2009
OBJECTIVES: To evaluate and compare the efficiency of humidification in available heat and moisture exchanger models under conditions of varying tidal volume, respiratory rate, and flow rate.
Jeanette Janaina Jaber Lucato   +5 more
doaj   +1 more source

Method of calculation and analysis of joint operation of circuit loop of ground heat exchangers and heat pump [PDF]

open access: yes, 2013
The method of heat calculation of the joint work of borehole heat exchangers and heat pump circuits in quasi-stationary regime is developed.
Filatov, S. A., Volodin, V. I.
core  

Incorporation of Selenium into Sol–Gel‐Derived Bioactive Glass: Influence on Glass Structure, Bioactivity, and its Selective Cytotoxicity

open access: yesAdvanced Engineering Materials, EarlyView.
Selenium was incorporated into a sol–gel‐derived bioactive glass to enable sustained therapeutic ion release. The selenium‐containing glass preserved bioactivity while selectively inducing cytotoxicity in osteosarcoma cells and maintaining osteoblastic viability.
Breno Rocha Barrioni   +7 more
wiley   +1 more source

Basic Heat Exchanger Performance Evaluation Method on OTEC

open access: yesJournal of Marine Science and Engineering, 2018
Ocean thermal energy conversion (OTEC) harvests the power from the thermal energy in the ocean, which is reserved in the ocean as the temperature difference between warm surface and cold deep seawaters.
Takeshi Yasunaga   +3 more
doaj   +1 more source

Impact of Pre‐Oxidation Treatments on a Recycled MgO/Steel‐Composite as Carbon Free Anode in Aluminum‐Electrolysis Environments

open access: yesAdvanced Engineering Materials, EarlyView.
Cermets (60 vol.% AISI 316L stainless steel, 40 vol.% recycled MgO), intended for use in aluminum electrolysis, were pre‐oxidized in three furnaces with different heating technologies and subjected to a cryolite corrosion test. The different atmospheres influenced the formation of oxide layers, which in turn affected corrosion resistance and ...
Patricia Kaiser   +4 more
wiley   +1 more source

Energy Efficiency Retrofit of Two-Flow Heat Exchanger System

open access: yesChemical Engineering Transactions, 2018
This paper presents the retrofit of the two-flow heat-exchange system with utility paths in order to optimize the heat recuperation capacity under the technical limitation conditions.
Leonid M. Ulyev   +3 more
doaj   +1 more source

Design and dynamic modeling of printed circuit heat exchangers for supercritical carbon dioxide Brayton power cycles

open access: yesApplied Energy, 2018
Due to the unique geometries and hydraulics of printed circuit heat exchangers and rapidly changing properties of supercritical carbon dioxide, the effective design and rating of printed circuit heat exchangers is an essential requirement for their use ...
Yuan Jiang   +3 more
semanticscholar   +1 more source

Additive Manufacturing of Continuous Fibre Reinforced Composites: Process, Characterisation, Modelling, and Sustainability

open access: yesAdvanced Engineering Materials, EarlyView.
Additive manufacturing provides precise control over the placement of continuous fibres within polymer matrices, enabling customised mechanical performance in composite components. This article explores processing strategies, mechanical testing, and modelling approaches for additive manufactured continuous fibre‐reinforced composites.
Cherian Thomas, Amir Hosein Sakhaei
wiley   +1 more source

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