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Thursday, July 23, 2020 | History

3 edition of Transient/structural analysis of a combustor under explosive loads found in the catalog.

Transient/structural analysis of a combustor under explosive loads

Transient/structural analysis of a combustor under explosive loads

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Published by National Aeronautics and Space Administration, Langley Research Center, National Technical Information Service, distributor in Hampton, Va, [Springfield, Va .
Written in English

    Subjects:
  • Finite element method.,
  • Structural analysis (Engineering)

  • Edition Notes

    Other titlesTransient structural analysis of a combustor ....
    StatementPeyton B. Gregory, Anne D. Holland.
    SeriesNASA contractor report -- 107660., NASA contractor report -- NASA CR-107660.
    ContributionsHolland, Anne D., Langley Research Center.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL14693208M

    Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. Easily share your publications and get them in front of Issuu’s.   Perform a transient structural analysis on a universal joint Prasad Pralhad updated on , am IST Universal Joint A universal joint is a mechanical device that allows one or more rotating shafts to be linked together, allowing the transmission of torque and/or rotary motion.

    Abstract. A series of hydrodynamic and structural analyses of a spherical confinement vessel has been performed. The analyses used a hydrodynamic code to estimate the dynamic blast pressures at the vessel's internal surfaces caused by the detonation of a mass of high explosive, then used those blast pressures as applied loads in an explicit finite element model to simulate the vessel's. Abstract: In order to study the impact of external forces of the influence of the structural characteristics of axial flow blood pump rotor the blood pump rotor system as the research object,use ANSYS software,Use the method of static stress and strain analysis nephogram of the blood pump rotor system was obtained under the external h the study: The.

    was loaded with 65% of its BS design load and was heated from the bottom side only. Temperature were modelled including the embedded reinforcement to conduct a non-linear transient structural analysis Slabs Tested Under BS (ISO) Fire Curve Explosive Spalling. structural analysis - Search Results Articles About structural analysis. Articles are sorted by RELEVANCE. Sort by Date.. 1 Structural Analysis of Teeth With Asymmetrical Profiles (July/August ). This article illustrates a structural analysis of asymmetrical teeth. This study was carried out because of the impossibility of applying traditional calculations to procedures involved in the.


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Transient/structural analysis of a combustor under explosive loads Download PDF EPUB FB2

An analysis has been performed to determine the safe operating limits of the combustor under transient Transient/structural analysis of a combustor under explosive loads book loads. The failure criteria was defined and the failure mechanisms were determined for both peak pressures and differential pressure loadings.

An overview of the gas dynamics analysis was : Peyton B. Gregory, Anne D. Holland. Get this from a library. Transient/structural analysis of a combustor under explosive loads.

[Peyton B Gregory; Anne D Holland; Langley Research Center.]. combustor under transient explosive loads to prevent a catastrophic failure of the pressure boundary. To accomplish this, a detailed transient, structural finite element analysis of the combustor system (end closure plug, pressure shell, combustor nozzle, tunnel mass and thrust anchor) was performed using PATRAN (ref.

1) model development and EAL (ref. A modular analysis package is assembled for assessing risk in typical industrial structural units such as steel storage tanks, due to extreme transient loads that are produced either as a result of.

Advanced Search Journals; Books. Books; Proceedings; Standards; Magazine; Author Services. Journal Authors. Mechanical analysis of an aero-engine combustor under operation conditions using a unified constitutive material model for deformation simulation especially under transient conditions between different power settings.

A summary of all applied boundary conditions is shown in Fig external pressure displacements from 2D analysis nodal. Books - using travelling fires to characterise the thermal environment for structural analysis have recently been developed.

thermal strains under load, and transient. The analysis focuses on ways to estimate blast loading on structures and, to a lesser extent, on their response under such types of actions. Indicative examples of structures under explosive loads are also analyzed in order to provide designers practical guidance on how to deal with similar cases.

Explosions and blast waves. work with structural transient analyses. ANSYS Transient Dynamic Analysis Transient dynamic analysis (sometimes called time_history analysis) is a technique used to determine the dynamic response of a structure under the action of any general time-dependent loads.

Transient dynamic analyses are used to determine the time-vary. Explosive — any chemical compound, mixture, or device, the primary or common purpose of which is to function by explosion, i.e., with substantially instantaneous release of gas and heat, unless such compound, mixture, or device is otherwise specifically classified by the U.S.

Department. To construct the ROM, offline stage processes of the present framework are performed. First, a sampling analysis based on the FOM is performed.

It is a time-transient response analysis under the pure centrifugal load condition, in which the number of time steps is 50 at intervals of s. In this study, we propose a novel and effective computational approach for free and forced vibration analyses of functionally graded (FG) porous plates with graphene platelets (GPLs) reinforcement.

Transient structural analysis. The obtained temperature distribution from the transient thermal analysis is imported to the transient structural analysis as a thermal load. The pressure distribution for different components was obtained from the CFD team and imported in a similar fashion as temperature data (indicated in Fig.

11, Fig. I performed ANSYS Transient Structural analysis with timesteps. I want to export a contour of Total Deformation for the every timestep, without loading results for times and making pictures individually. Moreover, I have to set the same legend.

Harmonic response analysis is used to determine the steady-state response of a linear structure to sinusoidal loads, and enables the evaluation of resistance to sustained forced vibration. Transient dynamic analysis is used to determine the response to general time-dependent loads.

Typical applications include seismic or explosive events. Thermal loads on the representative aero-engine combustor are predicted using Conjugate Heat Transfer (CHT) modeling in the CFD analyses for different operating conditions suitable for a flight cycle.

A load cycle is then constructed using these thermal loads and is transferred to the structural analysis to evaluate the stresses in the liner. loads on the roof, low-rise buildings may be vulnerable to blast loadings resulting from large weights of explosives at large stand-off distances that may sweep over the top of the building.

The blast pressures that may be applied to these roofs are likely to far exceed the conventional design loads and, unless the roof is a con. A comparative study of three different aluminium alloys, Al, Al and Al made internal combustion engine pistons is done on their responses under mechanical and thermal loads using finite element methods.

In this study, a 3D solid model of piston is created in CATIA and the simulations of the static structural analysis, steady-state thermal analysis and transient thermal analysis are. Under this tasking, PEC will apply data from recent research and testing to develop new and updated analysis and design procedures for masonry walls.

These procedures will be specifically written to satisfy the explosives safety requirements of DoD STD, "DoD Ammunition and Explosives. Response of a beam on an inertial foundation to a traveling load.

Ben W. Holder and C. Michalopoulos (AIAA J) Response of a laminated beam to a moving load. Prasad and G. Herrmann(AIAAJ) 4 Response of cantilever columns under transient follower forces. Nouh and V.

Sundararajan (AIAA J, TN). 1. Introduction The ability of reinforced concrete (RC) to absorb energy under dynamic transient nonlinear conditions has led to its utilisation for several classes of important structures which may be subjected to impact or explosive loading (e.g., nuclear containment vessels, power plant structures, protective barriers, shelter structures) [].techniques.

Structural elementss in different materials are designed against the fire. A detailed chapter is given on the global analysis of buildings under fire usingfinite element. Since fire is generally associated with structures un-der impact and impulsive loads and explosion whether internal or external.Explosives differ widely in resistance to water and moisture penetration.

Some explosives deteriorate rapidly under wet conditions, but others are designed to stand water long enough to enable the work to be done.

When blasting is to be performed under wet conditions a gelatinous or slurry explosive .