Results 151 to 160 of about 449,166 (315)
Experimental Study on Heat Transfer Performance of CO2 Tube-in-tube Gas Cooler
The domestic and international investigations on CO2 gas cooler with different forms were summarized. The performance of three kinds of tube-in-tube gas coolers, plain tube, rectangular spiral tube and circular spiral tube were simulated.
L, Jing, Xu Feng, Wang Jinyu, Zhu Siqian
doaj
Soft Mechanical‐Electrical Logic Using Liquid Metal‐Filled 3D‐Printed Architectures
We present 3D‐printed soft mechanical–electrical logic elements that use liquid metal–filled silicone tubes actuated by thermoplastic polyurethane/polylactic acid (TPU/PLA) architectures to produce Boolean operations. Complementary normally open and normally closed unit cells perform repeatable binary transitions and can be combined into more complex ...
Christoph Lehmann +2 more
wiley +1 more source
R134a flow boiling heat transfer in small diameter tubes
Copyright @ 2007 RT Edwards Inc.Boiling heat transfer in small diameter tubes has been experimentally investigated using R134a as the working fluid. The heat transfer periments were conducted with two stainless steel tubes of internal diameter 4.26 mm ...
Huo, Y, Karayiannis, TG, Tian, S
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Enhanced Strength and Corrosion Resistance of Ti‐13Nb‐12Ta‐10Zr‐4Sn Alloy by Aging Treatment
This work systematically investigates the effect of aging treatment on mechanical properties and corrosion behavior of vacuum arc‐melted Ti‐13Nb‐12Ta‐10Zr‐4Sn alloy. Owing to the increased α″ martensite, strength and corrosion resistance were significantly enhanced by aging treatment.
Yuhua Li +5 more
wiley +1 more source
Demo 11-10 Mercury Barometer in Vacuum
In a barometer the outside air pressure pushes a column of mercury up a small tube to a height of about 76 cm. If the external air pressure is largely removed by a vacuum pump, as shown in Figure 1, the column of mercury will fall to only a few ...
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Ebulição convectiva do R-134a em microcanais paralelos e análise da distribuição do escoamento bifásico ar-água em um distribuidor acoplado a microcanais [PDF]
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Mecânica, Florianópolis, 2013.Trocadores de calor constituídos de microcanais paralelos são considerados uma boa solução tecnológica em
Dário, Evandro Rodrigo
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Aim The commonly recommended endotracheal tube cuff pressure is 20–30 cmH2O. However, some patients require a cuff pressure of >30 cmH2O to prevent air leakage.
Hong‐Lei Wu +7 more
doaj +1 more source
Cathodic Cage Plasma Deposition of Nanostructured Cu–Fe–Se Coatings on Poly(methyl Methacrylate)
Nanostructured Cu–Fe–Se coatings are deposited on PMMA by a modified cathodic cage plasma process, enabling low‐temperature deposition on polymer substrates. A transition from discontinuous to compact morphology is observed with temperature, with optimal properties at 200°C, where improved CuFeSe2‐type bonding, lowest sheet resistance, and favorable ...
V. S. S. Sobrinho +8 more
wiley +1 more source
A Generalized Effectiveness-NTU Based Variable Geometry Microchannel Heat Exchanger Model
Microchannel heat exchangers (MCHXs) are now widely used in the HVAC&R industry. Similar to tube-fin heat exchangers used mainly in the indoor units, the innovative variable geometry microchannel heat exchanger will further reduce its compact size and ...
Aute, Vikrant +2 more
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Coarse‐grained (left) and atomistic (right) models of the shape memory polymer ESTANE ETE 75DT3 are shown schematically. The two representations bridge molecular detail and mesoscopic description. Both models capture shape memory behavior, linking segmental mobility and conformational relaxation of anisotropic chains to macroscopic recovery, and ...
Fathollah Varnik
wiley +1 more source

