Browsing Mechanical Engineering by Issue Date
Now showing items 120 of 96

Elastic distortion of a large thrust pad on an elastic support
(1991)The performance of large thrust bearings depends on the film profile and the thrust pad distortion. A mathematical model to estimate elastic distortion of a thrust pad on an elastic support by solving Reynolds' and elasticity ... 
A nonlinear goal programming model for multistage, multiobjective decision problems with application to grouping and loading problem in a flexible manufacturing system
(1991)A multistage multiobjective decision problem is formulated as a nonlinear goal programming model. The solution algorithm which uses BoxComplex method is presented. The model formation and computational aspects are illustrated ... 
Life estimation of gear transmission unit in a turbine generator set due to short circuits
(1992)This paper is concerned with the dynamic analysis of a gear transmission system in a turbo generator set and life estimation of the gears due to short circuits in the generator. The dynamic analysis of a turbo generator ... 
Stability of rotor systems with viscoelastic supports
(1992)Stability analysis of a rotor system with the rotor disk placed in the middle of a massless shaft, having linear elasticity and internal damping, with linear elastic bearings at the ends and supported on viscoelastic ... 
Equations of motion of a blade rotating with variable angular velocity
(1992)The equations of motion of a blade mounted on a disk rotating with variable angular velocity are derived. The acceleration of the disk is taken as constant and the calculus of variations is employed to obtain the equation ... 
Multiattribute decision model using the analytic hierarchy process for the justification of manufacturing systems
(1992)There is a general challenge offered to the field of engineering economics by the introduction of advanced technologies. A survey of the existing literature on evaluation of advanced manufacturing systems indicate that the ... 
Combustion and gasification characteristics of rice husk
(1992)Rice husk when used in gasifiers and boilers yields carbonaceous residue. Combustion and gasification studies of rice husk were carried out to understand the problem of incomplete carbon conversion. Thermogravimetric ... 
Transport properties of R22DMF mixtures
(1993)Transport properties of R22DMF mixtures were estimated over a wide range of temperatures and compositions. Density, viscosity, thermal conductivity, specific heat, surface tension and thermal diffusivity are among the ... 
Computeraided optimum selection of roller bearings
(1993)The paper presents a methodology for evaluating roller bearings in terms of their suitability for a given application. The method is based on a multipleattribute decisionmaking approach called (Technique for Order ... 
Structural dynamic modification with damped beam elements
(1993)An algorithm to improve the dynamic behaviour of a structure by local damped beam modifications is presented. A modification dynamic stiffness matrix (DSM) has been constructed for the added beam which is integrated with ... 
Shock in rotor blades during speed changes
(1994)The influence of changes in rotational speed on the dynamics of rotating blades is investigated. The governing nonlinear integropartial differential equations, for uniform rates of acceleration, derived in an earlier ... 
A simulation study of unit exchange spares management of diesel locomotives in the Indian railways
(1994)This paper focuses on modelling and analysis of a repair inventory system of diesel locomotives in the Indian Railways (IR) based on the concept of unit exchange spares (UES). At present, the LIES management problem has ... 
Evaluation of liquid dessicant based evaporative cooling cycles for typical hot and humid climates
(1994)This communication presents an evaluation of various liquid dessicant cycles for air conditioning in hot and humid climates. Psychometric evaluation of seven potential cycles for achieving standard comfort conditions ... 
Free damped flexural vibration analysis of composite cylindrical tubes using beam and shell theories
(1994)An investigation is described of the free vibration characteristics, i.e., natural frequencies and damping ratios in flexural modes of cylindrical tubes made from fibre reinforced materials with potential usage as composite ... 
Effects of MIG process parameters on the geometry of the bead in the automatic surfacing of stainless steel
(1994)Automatic weld surfacing is being employed increasingly in the process and power industries. Because of its high reliability, allposition capability, ease of use, low cost and high productivity, GMAW has become a natural ... 
Delamination propagation in rotating carbonepoxy composite shaft
(1994)A carbonepoxy shaft is fabricated by a filament winding technique. Delaminations are introduced during fabrication. A simple experimental setup for rotation of a composite shaft is designed and fabricated. The composite ... 
Damped free vibrations of layered composite cylindrical shells
(1994)System loss factors corresponding to various shell modes have been evaluated by using a complex modulus approach. The damped free vibrations of composite cylindrical shells have been analyzed by using a first order shear ... 
Computer simulation of a combined cycle power plant
(1995)This paper presents the simulation procedure developed to predict the performance of a combined cycle power plant from given performance characteristics of its main components. In order that the procedure could be validated, ... 
Dynamics of rotor shaft system on flexible supports with gyroscopic effects
(1995)Presented is a determination of the eigenvalues of the rotor shaft system with asymmetrically placed rotor on elastic supports and unbalance response for the system with viscoelastic supports. Gyroscopic effect is incorporated ... 
A new approach to evaluate the deflection of a thrust pad on an elastic support
(1995)A method for the evaluation of the pressure induced deflection of a pad on an elastic foundation is proposed. A semianalytical approach based on the well known Bubnov and Galerkin method is applied assuming the pad to be ...