Rope pump calculations pdf

The gap velocity can now be obtained from this equation and is. Chapter 10 single drum winch design michael markey preface to third edition 1. For this pump to make any kind of change it had to be constructed out of material which was. 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. Student from jrmsu driving a pump using only rope, old slipper, rubber, pvc pipe, and iron bars. Pdf rope pumps are a locally adaptable and relatively simple technology for water. There is a filter on the suction line and a heat exchanger on the discharge side of the pump. A tool for rope pump price calculation can be used for this purpose. Review different pump types commonly used understand the difference between centrifugal pumps and positive displacement pumps understand the working principle of the tuthill. Using a rope pump saves time, results in less health related cost water is cleaner since it is not. Heres a list of some basic equations that are used in pump sizing.

The depth adjustable rope pump uses an adjustable pipe system to solve these. 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. For the following calculations, parameters are represented by the following. The pump size must conform to the flow rate, pressure, speed, suction conditons etc. Pdf rope pump modifications to reach greater depths. Calculate the pump discharge pressure from the pump total head. Because of its simplicity it can be constructed and maintained by nontechnicians, although some practical skills are required. Strategies for maintaining the quality of rope pumps for. Every pump operators basic equation by paul spurgeon continuing education course to earn continuing education credits, you must successfully complete the course examination. Table 6 power to the pump shaft calculation results. 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. Download this sheet as a pdf file 92 kb keywords aeration. Pdf calculation sheet for designing solar pumping systems. 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.

A service project for clean water in the gambia article pdf available october 20 with 725 reads how we measure reads. For selection of the best handpump for a specific situation. The primary question in choosing a pump is what horsepower do i need. It is recommended to calculate a standard price for the hand dug well and borehole model. The pump type chosen must correspond to product viscosity, product density, temperature, system pressure, material of the pump, shearing tendency of the product etc. 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. Tutorial centrifugal pump systems by jacques chaurette p. As a manufacturer and supplier of centrifugal pumps and positive displacement pumps we. 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 modern rope pump is based on the principle of the ancient chain pump.