Zobrazeno 1 - 10
of 11
pro vyhledávání: '"D. V. Nedel'ko"'
Publikováno v:
Russian Aeronautics. 63:767-770
A general method using a radiophotonic system for measuring blade deformations of a helicopter main rotor model is presented. Characteristics of this system are considered and a comparison is carried out to other similar approaches with different ope
Publikováno v:
Russian Aeronautics. 61:655-661
Methodological fundamentals of mathematical modeling for the main parachute of a rescue system for a normal category airplane in an emergency situation are presented. The sample calculation process of a real parachute deployment is described and its
Autor:
S. A. Alimov, D. V. Nedel’ko
Publikováno v:
Russian Aeronautics. 61:183-186
This paper presents the results of calculating the energy criterion being proposed by an example of two types of skid landing gear for a multipurpose helicopter of transport category.
Publikováno v:
Russian Aeronautics. 60:523-527
The requirements for skid landing gear static strength ensuring are examined based on the comparative analysis of the Airworthiness Standards requirements. Probabilistic principle of determining the safety factor of the skid landing gear is presented
Publikováno v:
Russian Aeronautics (Iz VUZ). 55:353-356
The methodical grounds for helicopter operation with respect to the technical condition for the state of the art of aeronautical engineering are analyzed and generalized. The most essential engineering solutions on developing the systems for monitori
Autor:
D. V. Nedel’ko, S. A. Mikhailov
Publikováno v:
Russian Aeronautics (Iz VUZ). 55:305-309
The existing technique of rating the external loads on a helicopter with skid type landing gear according to Airworthiness Standards [1] is analyzed and the results of comparing with design and experimental studies are presented. The main existing pr
Autor:
D. V. Nedel’ko, S. A. Mikhailov
Publikováno v:
Russian Aeronautics (Iz VUZ). 55:151-157
A new approach to the design-systematic provision of autorotation landing safety for a helicopter with skid type landing gear is proposed. We analyzed the existing simulation techniques and experimental studies regarding this problem. The main existi
Publikováno v:
Russian Aeronautics (Iz VUZ). 54:247-253
A technique is suggested for calculating the helicopter spatial motion and the stress-strain state of a skid landing gear in the course of landing with regard for the second landing impact; geometric, material and design nonlinearity of undercarriage
Publikováno v:
Russian Aeronautics (Iz VUZ). 53:369-374
We compare the results of analyzing the stress strain state for the tubular skid landing gear with regard for the physically and geometrically nonlinear scheme of deformation; the analysis is carried out by the finite element method and with the aid
Publikováno v:
Russian Aeronautics (Iz VUZ). 53:9-15
A technique is proposed for calculating the stress strain state and power intensity of helicopter skid landing gear springs operating under conditions of dynamic loading taking into account a physically and geometrically nonlinear deformation scheme.