Results 81 to 90 of about 179,602 (269)
Scalable Laser Processing Enables Transparent, Accretion Scale‐Independent, Ice‐Shedding Glass
Advanced Science, EarlyView.We demonstrate a scalable laser‐based method to create wave‐like micro‐patterns on glass surfaces that counter the conventional view that roughness increases ice adhesion. These patterns direct crack propagation at the ice–glass interface, enabling low‐force, multi‐directional ice detachment while maintaining substrate transparency. A theoretical model
Fan‐Wei Wang +4 more
wiley +1 more source
F100 engine diagnostic system status to date [PDF]
An engine diagnostic system, proposed for the F100 engine, was tested in five specially modified Tactical Air Command F-15 aircraft during a 16-month flight evaluation.
Boyless, J. A.
core +1 more source
Effects of biofuels properties on aircraft engine performance [PDF]
, 2015 Purpose-The purpose of this paper is to examine the effects of heat capacity and density of biofuels on aircraft engine performance indicated by thrust and fuel consumption.
Kipouros, Timos +2 more
core +1 more source
Active Metamaterials with Tunable Shear Nonreciprocity and Nonlinear Dynamics
Advanced Science, EarlyView.Active gear‐based mechanical metamaterials enable simultaneous control of translational and torsional stiffnesses by 30–100×, break shear reciprocity under positive versus negative loads, broadly tune resonant frequencies, and offer programmable dynamic responses.
Xin Fang, Miao Yu, Dianlong Yu, Li Cheng
wiley +1 more source
Advanced Electronic Materials, EarlyView.This study introduces an in situ electrostatic charge‐assisted wetting method to enhance the interfacial strength of aerosol jet printing. By depositing negative charges on the substrate, the technique improves ink wetting and interfacial properties, achieving up to 85.6% higher interfacial shear strength.
Ao Li +5 more
wiley +1 more source
Real-time in-flight thrust calculation on a digital electronic engine control-equipped F100 engine in an F-15 airplane [PDF]
Computer algorithms which calculate in-flight engine and aircraft performance real-time are discussed. The first step was completed with the implementation of a real-time thrust calculation program on a digital electronic engine control (DEEC) equiped ...
Myers, L. P., Ray, R. J.
core +1 more source
Hydrocarbon emissions from a modern commercial airliner [PDF]
, 2006 We report selected carbon species emission indices (EIs) for a Rolls Royce RB211-535-E4 turbofan engine that were acquired during the NASA EXperiment to Characterize Aircraft Volatile Aerosol and Trace-species Emissions (EXCAVATE).
Anderson, BE, Blake, DR, Chen, G
core
Advanced Energy Materials, EarlyView.This study employs digital advanced manufacturing to develop lightweight, compact porous distributors as alternatives to conventional bipolar plates in PEM fuel cells. A graphene‐coated nickel foam achieves a power density of 1.52 W cm−2, while titanium‐based designs deliver lightweight solutions: an LPBF‐fabricated Gyroid lattice reaches 1.36 W cm−2 ...
Hadi Heidary +9 more
wiley +1 more source
Dynamic Models of Mechanical Seals for Turbomachinery Application
LubricantsOne of the primary causes of mechanical face seal failure is rotor vibration. Traditional dynamic seal models often cannot fully explain failure mechanisms. The dynamic models of seals proposed in this paper, including those developed by the authors, are
Renat Badykov +3 more
doaj +1 more source
Study on the Effect of Different Bonding Interlayers on the Performance of Nickel-Based Single Crystal Alloys [PDF]
Cailiao BaohuIn order to address the high-temperature oxidation and corrosion issues of DD6 nickel-based single crystal alloy used in aviation engine high-pressure turbine blades， NiCoCrAlY and PtAl oxidation-resistant coatings were prepared using vacuum arc plating ...
GAO Dong, LIU Yidong, ZHANG Guodong, HUANG Aihua
doaj +1 more source