Zobrazeno 1 - 10
of 1 428
pro vyhledávání: '"rotor blade"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-23 (2024)
Abstract Wind and gusts can significantly impact the performance of rotors and turbines. The transient behavior of the rotor should be carefully examined to account for these effects. This paper investigates the unsteady aerodynamic characteristics o
Externí odkaz:
https://doaj.org/article/c805ec42b1cc43b9a08cc7dee145253d
Autor:
Liliana S. Rodikova, Alexander N. Timofeev, Victoria A. Ryzhova, Anton A. Maraev, Sergey V. Mikheev
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 24, Iss 2, Pp 171-181 (2024)
Optoelectronic wear monitoring system of rotor blades of steam turbine low-pressure cylinders provide an assessment of the chord value of the working blade in static conditions on a closed cylinder. However, these systems do not allow the operator
Externí odkaz:
https://doaj.org/article/ca27e2896a8a4922b13bfbb5c49aec63
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
Digital twins play an ever-increasing role in maximising the value of measurement and synthetic data by providing real-time monitoring of physical systems, integrating predictive models and creating actionable insights. This paper presents the develo
Externí odkaz:
https://doaj.org/article/105746ffe72c48ae8df8b1fd6b1fd5c3
Publikováno v:
Наука і техніка Повітряних Сил Збройних Сил України, Iss 2(55) (2024)
The article discusses the issue of modernizing the blade root cuff attachment of the main rotor blade of a Mi-8 type transport helicopter. Several geometry options were designed and the stress-strain state of various options in a nonlinear formulatio
Externí odkaz:
https://doaj.org/article/d3daaf0f118143f5b370d6242f116275
Publikováno v:
Heliyon, Vol 10, Iss 17, Pp e36633- (2024)
In this study, to clarify the failure mechanism of the last-stage rotor blade in the low-pressure cylinder of a steam turbine, the peculiarities of crack initiation and propagation on the inlet side of the last-stage rotor blade at a distance of 125
Externí odkaz:
https://doaj.org/article/226e95e625a64188ab0bd59e11c3364d
Autor:
A. A. Ametov, B. A. Chichkov
Publikováno v:
Научный вестник МГТУ ГА, Vol 27, Iss 1, Pp 8-17 (2024)
Reducing the durability cost of an aircraft product is an issue either addressed at the design stage or causing significant design modifications. Turbine preheating of a gas turbine engine (GTE) allows for the thermal stress of the rotor blades (RB)
Externí odkaz:
https://doaj.org/article/16ffc721983e492f8a5104854f44e609
Publikováno v:
Management Systems in Production Engineering, Vol 32, Iss 1, Pp 145-155 (2024)
The re-entrant flow with an unpredictable nature of arrival would apparently harm production plans and schedules in flow type of shops. The re-entrant flow with varied arrival frequencies in rotor blade manufacturing is quite complicated and results
Externí odkaz:
https://doaj.org/article/13fa1690aa6b4fc1918f2896591b9397
Publikováno v:
Aerospace, Vol 11, Iss 11, p 906 (2024)
An improved multi-objective design optimization framework is proposed for the efficient design of proprotor blades tailored to specific high-altitude mission requirements. This framework builds upon existing methods by leveraging a reformulated Vorte
Externí odkaz:
https://doaj.org/article/4ea5647ade814378b42b4dab9a2d7496
Autor:
GAO Hongbo
Publikováno v:
Hangkong gongcheng jinzhan, Vol 15, Iss 3, Pp 151-156,190 (2024)
The widespread application of composite materials in blades also makes the force and stiffness characteristics of blades more complex than traditional blades. In order to reduce the dynamic stress and vibration level of rotor blades，it is necessary
Externí odkaz:
https://doaj.org/article/20b1bafe955d4ea7800079717eb467f7
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 4830-4843 (2023)
In this experimental study, two three-bladed rotors with a blade aspect ratio of 7.79 and 9.74 representing a 25% increase were tested. Each blade contains an S809 airfoil with zero pre-built twist and 20 high-performance synthetic jet actuators dist
Externí odkaz:
https://doaj.org/article/daba29d40327455c8d6b0bdda1386a91