Rope pump calculations pdf

Student from jrmsu driving a pump using only rope, old slipper, rubber, pvc pipe, and iron bars. Every pump operators basic equation by paul spurgeon continuing education course to earn continuing education credits, you must successfully complete the course examination. Strategies for maintaining the quality of rope pumps for. Judging by the questions i see asked nearly every week on linkedin and elsewhere, i believe this is a problem shared by many engineers early in. Review different pump types commonly used understand the difference between centrifugal pumps and positive displacement pumps understand the working principle of the tuthill. Because of its simplicity it can be constructed and maintained by nontechnicians, although some practical skills are required. Download this sheet as a pdf file 92 kb keywords aeration. A tool for rope pump price calculation can be used for this purpose. Calculate the pump discharge pressure from the pump total head. The modern rope pump is based on the principle of the ancient chain pump. For this pump to make any kind of change it had to be constructed out of material which was. Tutorial centrifugal pump systems by jacques chaurette p.

Pdf rope pump modifications to reach greater depths. The primary question in choosing a pump is what horsepower do i need. Pdf calculation sheet for designing solar pumping systems. Pdf rope pumps are a locally adaptable and relatively simple technology for water. For the following calculations, parameters are represented by the following.

The pump type chosen must correspond to product viscosity, product density, temperature, system pressure, material of the pump, shearing tendency of the product etc. As a manufacturer and supplier of centrifugal pumps and positive displacement pumps we. Rope pump a wooden model for hand dug wells and boreholes wheel introduction the rope pump is very simple and cheap to build and can be applied if a hand dug well or a borehole width at least 8 cm is available. Using a rope pump saves time, results in less health related cost water is cleaner since it is not. The risk of paradoxical embolism rope score was developed to identify patients with cryptogenic stroke and pfo in whom pfo was likely to be the cause of their stroke. The pump size must conform to the flow rate, pressure, speed, suction conditons etc.

A service project for clean water in the gambia article pdf available october 20 with 725 reads how we measure reads. Chapter 10 single drum winch design michael markey preface to third edition 1. Heres a list of some basic equations that are used in pump sizing. A high rope score in a patient with cryptogenic embolic ischemic stroke and pfo, and without another convincing etiology, highly suggests causality of stroke to be pforelated. For selection of the best handpump for a specific situation. The gap velocity can now be obtained from this equation and is. There is a filter on the suction line and a heat exchanger on the discharge side of the pump. Table 6 power to the pump shaft calculation results. It is recommended to calculate a standard price for the hand dug well and borehole model. Back to basics w hen i left university, i found that i needed additional information to turn my theoretical knowledge of fluid mechanics into the practical knowledge required to specify a pump. A translation of the dutch manual composed by the wot see. Examples of total head calculations sizing a pump for a home owner application 14. The depth adjustable rope pump uses an adjustable pipe system to solve these.