Optimizing the Design of Connecting Rod under Static and Fatigue Loading
The main objective of this work is to re-optimize the existing design of connecting rod of universal tractor (U650) by changing some of the design variables. The existing design performs modelling and evaluates critical regions in the connecting rod under fatigue loading. In the present work, the model is developed, analyzed and designed using CATIA 19, PRO-E and ANSYS workbench v12. Optimization of connecting rod is done under same boundary and loading conditions for variation in the few stress and fatigue parameters i.e. stresses, weight, life, damage, bi-axiality indication and safety factor. The allowable numbers of cycles under fully reversed fatigue loading are increased and assumed up to a maximum limit of 10 cycles. Stress concentration coefficient is varied to obtain the maximum cycles condition. The critical regions under both static and fatigue analysis are identified and improved. The connecting rod is modelled and optimized for the reduced weight, improved life and manufacturability. The results obtained from performed analysis can be used to modify the design of existing connecting rod, so that better performance i.e. reduced inertia, fatigue life and manufacturability can be obtained under varying static and fatigue conditions.
Study of Performance Analysis of Reciprocating Pumps using CFD
Reciprocating pump is positive displacement pump. The energy is periodically added to generate flow. It is used in application where low discharge is required at high pressure. The analytical process for designing the pump and flow prediction is very difficult, time consuming and costly. Computational fluid Dynamic (CFD) analysis is a best tool for analysing the flow patterns inside the reciprocating pump and predicting the behaviour of the pump under different operating conditions. In this seminar, the CFD analysis of the effect of grooves cut along the length of piston of the axial piston pump is to be studied. The effect of number of grooves, their position and their orientation on the outlet delivery is analysed. Also collision characteristics of reciprocating pump is to be studied. CFD analysis of plunger pump is to be investigated. The case study for the CFD analysis of 2 D geometry of simplex pump has been performed. The result shows contours of static pressure, velocity magnitude and density
PASSIVE AND LOW-ENERGY RESEARCH AND PRACTICES-DEHUMIDIFICATION
Methods of achieving acceptable indoor conditions in overheated, temperate, and underheated humid climates are discussed and compared. Desiccants and desiccant systems utilizing solid and liquid sorbents and various low-energy mechanical systems are described and evaluated.