Results 61 to 70 of about 961 (182)

Analysis on How to Establish Design Assurance System for Airborne Equipment Suppliers

open access: yesHangkong gongcheng jinzhan, 2019
The establishment of design assurance system is the most direct embodiment of implementing the airworthiness requirements. Currently, the experience in civil aviation research and development is lacked in China, such as how to establish the design ...
Qin Huailei
doaj   +1 more source

EASA’s “Open” Category for Military UAS: Opportunities and Limitations in the Field of Airworthiness

open access: yesAerospace, 2018
The European Aviation Safety Agency (EASA) plans to establish a sole risk-based set of regulations for drones to grant access to European airspace, thus opening a multibillion-euro market.
Oliver Hirling, Florian Holzapfel
doaj   +1 more source

PERSPECTIVES OF THE METHODS DEVELOPMENT FOR AIRCRAFT MAINTAINABILITY CERTIFICATION

open access: yesНаучный вестник МГТУ ГА, 2018
The paper outlines the main problems and perspectives of methods development for regulation and finding compliance of aircraft during the type design maintainability certification. Mentioned requirements and methods relevance are related to the fact that
Yu. A. Yaloza, A. N. Petrov
doaj   +1 more source

Effects of Different Materials and Structures on Mechanical Properties of Hail Used in Aviation Testing

open access: yesAerospace
Hail absorption test of aeroengine is one of the important components of airworthiness certification. The accurate test data are closely related to the density and mechanical properties of the artificial hail used in airworthiness tests.
Yewei Liu   +3 more
doaj   +1 more source

Improved thermal stability and flame retardancy of soybean oil-based polyol rigid polyurethane foams modified with magnesium borate hydroxide and ammonium polyphosphate

open access: yesScientific Reports
The concept of sustainable development has led to a growing research interest in bio-based flame-retardant polyurethane foams. These foams offer environmentally friendly, sustainable, and flame-retardant raw materials for the construction, automotive ...
Xu Zhang   +4 more
doaj   +1 more source

Analysis and development prospect of key technologies for hydrogen power flight test

open access: yesHangkong gongcheng jinzhan
Hydrogen power is one of the important forms to promote the realization of the "double carbon" goal in aviation field. The manufacturing,testing and qualification of hydrogen power will provide important support for the realization of the "double carbon"
GAO Yang   +3 more
doaj   +1 more source

Numerical analysis of ice accretion on an airfoil: A case study

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia
The accumulation of ice on aircraft surfaces is known to endanger flight safety, which has driven the study and development of various methods to prevent this issue. A frequent problem aircrafts suffer is the ice accumulation on wings when flying across
Lucas Farabello   +2 more
doaj   +1 more source

Methodological aspects of software processes management of the airworthiness of aircraft

open access: yesНаучный вестник МГТУ ГА, 2016
The article considers methodological aspects of software processes management of the airworthiness of the aircraft, solving problems of the formation and correction of flexible programs of the airworthiness of the aircrafts taking into ac-count the ...
A. A. Itskovich   +2 more
doaj  

Green flame-retardant rigid polyurethane foam with cobalt hydroxystannate to improve the thermal stability, flame retardancy and smoke suppression properties

open access: yesScientific Reports
The ecological benefits and concerns surrounding fossil fuels had led to increased interest in bio-based rigid polyurethane foam (RPUF). Nonetheless, due to its flammability, it had limited application in various fields.
Xu Zhang   +4 more
doaj   +1 more source

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