نتایج جستجو برای: normal and thrust

تعداد نتایج: 16865486  

Journal: :Aerospace 2023

The concept of thrust-based control without the employment thrust-vectoring (TVC), already introduced in a previous work by authors, is further developed conjunction with an appropriate suite, tasked both artificial stabilization and beam-tracking navigation functions. In paper, fully non-linear mathematical model employed for testing controllers virtual environment outlined. Then comparative a...

Journal: :journal of solid mechanics 0
m.m alipour department of mechanical engineering, university of mazandaran, babolsar, iran m shaban mechanical engineering department, faculty of engineering, bu-ali sina university, hamadan, iran

bending analysis of multilayer graphene sheets (mlgss) subjected to non-uniform shear and normal tractions is presented. the constitutive relations are considered to be non-classical based on nonlocal theory of elasticity. based on the differential transformation method, numerical illustrations are carried out for circular and annular geometries. the effects of nano scale parameter, radius of c...

2005
Anthony P. Pancotti

As proposed spacecraft and their associated thrusters have become smaller, technology has been developed to meet the demand for performance measurements for the extremely low force levels produced. For such thrusters, it is also desirable to measure the mass changes resulting from the utilization of propellant associated with either the steady state thrust or transient impulses. A thrust stand ...

2013
Lance Sherry Saba Neyshabouri

Emissions inventory calculations for airports, using standard emissions inventory reporting methods, are inflated due an assumption of use of maximum takeoff thrust. To enhance the operational life of jet engines and reduce fuel burn, airlines frequently use reduced thrust (i.e. Derated or Flex Temperature thrust) for the takeoff procedure. Without access to internal airline “load sheet” paperw...

Journal: :The Review of scientific instruments 2009
Kunning G Xu Mitchell L R Walker

This article presents the theory and operation of a null-type, inverted pendulum thrust stand. The thrust stand design supports thrusters having a total mass up to 250 kg and measures thrust over a range of 1 mN to 5 N. The design uses a conventional inverted pendulum to increase sensitivity, coupled with a null-type feature to eliminate thrust alignment error due to deflection of thrust. The t...

Journal: :رخساره های رسوبی 0
بهنام رحیمی فرزین قائمی

binaloud mountains formed during collision of iran and turan plate in the late triassic time and caused shortening of the sedimentary cover because of cimmerian and alpine orogeny. the thrust sheets with different generations formed as a results of the binalood and alborz fold- thrust belts. northeast of iran that was already south coast of the divergent margin of the paleothetys ocean at this ...

Journal: :Journal of Structural Geology 2022

The Semail Thrust in the Oman-UAE mountains is mapped along base of Ophiolite, a 10–15 km thick sequence Cenomanian oceanic crust and upper mantle emplaced from NE to SW onto previously passive, Mid-Permian continental margin Oman. juxtaposition ophiolite with range different rock types sourced depths suggest complex tectonic history for this major fault shear zone. Here we summarize previous w...

Journal: :Minerals 2021

Based on the interpretation of 2D seismic profiles integrated with surface geological investigations, a mechanism responsible for formation large scale normal fault zone has been proposed. The fault, here referred to as Rycerka Fault, predominantly dip-slip component detachment located at base Carpathian units. developed due an anticlinal stack within Dukla Unit overlain by Magura Units. Stacki...

2003
D. M. Robinson P. G. DeCelles

We present a kinematic model for the Himalayan thrust belt that satisfies structural and metamorphic data and explains recently reported late Miocene–Pliocene geochronologic and thermochronologic ages from rocks in the Main Central thrust zone in central Nepal. At its current exposure level, the Main Central thrust juxtaposes a hanging-wall flat in Greater Himalayan rocks with a footwall flat i...

Journal: :Journal of Structural Geology 2022

Centrifuge analog modeling incorporating thickness variations of décollement and overlying sedimentary cover is used to study thrust-wedge evolution on salt-detached contractional systems involving tapered cover. From simpler, layer-cake 3D décollement-cover sequences, our models constrain wedge evolution: a more advanced front, where the thicker, promotes differential frontal translation trigg...

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