Results 1 to 10 of about 1,410,001 (187)

Thermal Behavior of Biaxial Piezoelectric MEMS-Scanners [PDF]

open access: yesSensors, 2023
This paper presents the thermal behavior of non-resonant (quasi-static) piezoelectric biaxial MEMS scanners with Bragg reflectors. These scanners were developed for LIDAR (LIght Detection And Ranging) applications using a pulsed 1550 nm laser with an ...
Laurent Mollard   +6 more
doaj   +2 more sources

Design of Economical and Achievable Aluminum Carbon Composite Aerogel for Efficient Thermal Protection of Aerospace

open access: yesGels, 2022
Insulation materials play an extremely important role in the thermal protection of aerospace vehicles. Here, aluminum carbon aerogels (AlCAs) are designed for the thermal protection of aerospace.
Yumei Lv   +6 more
doaj   +1 more source

Numerical investigation on the double-layer porous plate of transpiration cooling with phase change under different heat flux

open access: yesResults in Engineering, 2023
Transpiration cooling is a potential active thermal protection method for aircraft under severe thermal environment. Though it is cooling efficiency that is of concern in most structural designs, the injection pressure is equally critical for ...
Fei He   +3 more
doaj   +1 more source

Experimental study of cooling air effect on overall cooling of laminated configuration at a turbine vane end-wall

open access: yesCase Studies in Thermal Engineering, 2022
Turbine vane end-wall cooling management is complicated by the sophisticated cascade flow, generating the non-uniform distribution of metal temperature at end-wall surface, a negative factor of component durability.
Jian Pu, Tiao Zhang, Jian-hua Wang
doaj   +1 more source

Fatigue-creep behaviors of Ni–Fe based superalloy under various testing conditions

open access: yesJournal of Materials Research and Technology, 2021
The fatigue-creep properties of Ni–Fe based superalloy with varying strain amplitude, temperature and holding duration are studied in ambient air. The results demonstrated that the number of cycles decreases greatly with increasing strain amplitude from ...
Zilong Zhao   +9 more
doaj   +1 more source

Overall thermal performances of backward film cooling with simulated surface thermal barrier coatings at various walls

open access: yesCase Studies in Thermal Engineering, 2022
Backward film cooling can protect more efficiently some regions of turbine hot components, in comparison with the forward jet. The rapid increase of operational temperature requires the developments of the coupling of active cooling and thermal barrier ...
Jian Pu   +4 more
doaj   +1 more source

Modeling and Numerical Investigation of Transient Two-Phase Flow with Liquid Phase Change in Porous Media

open access: yesNanomaterials, 2021
Two-phase flow with phase change in microstructure or nanostructure is an important issue in many fronts and critical applications nowadays, but with a lack of comprehensive understanding of the mechanism.
Fei He, Wenjie Dong, Jianhua Wang
doaj   +1 more source

Sintering of fly ash based composites with zeolite and bentonite addition for application in construction materials [PDF]

open access: yesScience of Sintering, 2017
Due to pozzolanic characteristics, fly ash is commonly used as a cement replacement in construction composites. Addition of natural clays with sorption ability (i.e.
Terzić Anja   +5 more
doaj   +1 more source

Thermal behavior of polytriazole films: a thermal analysis study [PDF]

open access: yes, 1989
The thermal behavior of poly(1,3-phenyl-1,4-phenyl)-4-phenyl-1,2,4-triazole has been investigated using different scanning calorimetry (DSC) and thermogravimetry (TG).
Gebben, B.   +2 more
core   +2 more sources

Thermal behavior and biological activity of [Co2(Cl)2 tpmc](BF4)2 complex

open access: yesZaštita Materijala, 2021
A large number of interesting Co (II) complexes with macrocyclicligands have been synthesized and the recognition of its complexes as important bioactive compounds in vitro and in vivo has aroused growing interest in these agents as potential drugs for ...
Branka Dražić   +1 more
doaj   +1 more source

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