Design And Development Of Accumulator For Domestic Water System

Bernardette , Louisa Francis Ting (2008) Design And Development Of Accumulator For Domestic Water System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

It is common that domestic water user experience low pressure of water supply. However, some of the user facing high pressure, which can cause another problems. This high pressure can cause leaking problem especially on fitting and valve due to shock pulsation or water hammer. This project is to study effect of this scenario in the system, design and also develop an accumulator for the domestic water system. This project present a study case of the problem facing by domestic water user, identify cause of the problem, and develop accumulator unit and analysis the effectiveness of accumulator application in the problem rectification. In this project, the inner mechanism of the accumulator have a aluminum shaft with thread that can be adjusted the spring length using the lower aluminum spring holder, aluminum piston with two buna o-ring that will act as seal and also a 302 stainless steel spring which act as the external mechanical force to absorb shock pulsation or water hammer, this spring type accumulator is similar in operation to the gas charged accumulator, except that the springs is used to provide the compressive force. The outer feature of the accumulator has a UPVC type bodies, mild steel accumulator holder that is fasten by nut and an upper aluminum spring holder as the block to compress the spring when water hammer occur.. In programming simulation and drawing, COSMOS FloXpress software will be use to see the how the water flow inside the accumulator system.

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