This article is presented by:Professor
Energy Technology Consultant
Department of Mechanical Engineering
Indian Institute of Technology, Mumbai 400 076 INDIA

OUTLINE OF PRESENTATION
•Need and Scope for Heat Pumps
•Applications of Super Heat Recovery Water Heater and Heat Pumps
....etc

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home automation using WIFI. ....etc

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1.INTRODUCTION

A pump is a machine that draws a fluid into itself through an entrance port and forces the fluid out through a machine that draws a fluid into itself through an entrance port and forces the fluid out through an exhaust port. A pump may serve to move liquid, as in a cross-country pipeline; to lift liquid, as from a well or to the top of a tall building; or to put fluid under pressure, as in a hydraulic brake. These applications depend predominantly upon the discharge characteristic of the p ....etc

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Presentation on Pumps




Centrifugal Pumps

Very simple design
Two main parts are the impeller and the diffuser
Impellers
Bronze
poly carbonate
cast iron
stainless steel

Pressure developed by the Pump

depends upon
Impeller dia
No.of impellers
size of the impeller eye
shaft speed

Advantages of centrifugal Pump

Very efficient
Produce smooth and even flow
Reliable with good service life

Disadvantages

Loss of ....etc

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RECIPROCATING PUMPS

each stroke displaces a definite quantity of liquid, regardless of the resistance against which the pump is operating. The standard way of designating the size of a reciprocating pump is by giving three dimensions, in the following order: 1. The diameter of the steam piston 2. The diameter of the pump plunger 3. The length of the stroke For example, a 12- by 11- by 18-inch-reciprocating pump has a steam piston 12 inches in diameter, a pump plunger 11 inches in diameter, and a stroke of 18 inc ....etc

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GSM based Control Panel for Agricultural and Domestic Water Pumps


Controlling devices using wired switches are common. A few years back
controlling devices using wireless remote control switches like infrared remote control
switch, RF based remote control switches were used. But these technologies have their
own limitations in terms of operation and range.


V Tec Electronics India has introduced a Control Panel Device for Agricultural
and Domestic Pump sets, ....etc

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Hydraulic pumps and pressure regulation
A hydraulic pump (Figure 2.1) takes oil from a tank and delivers it to the rest of the hydraulic circuit. In doing so it raises oil pressure to the required level. The operation of such a pump is illustrated in Figure 2.1a. On hydraulic circuit diagrams a pump is represented by the symbol of Figure 2.1b, with the arrowhead showing the direction of flow.
Hydraulic pumps are generally driven at constant speed by a three phase AC induction motor rotating at 1500 rpm in the UK (wi ....etc

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COMPRESSORS, PUMPS, AND PIPELINE FITTINGS

B. S. Zakharov



It is shown that when sucker-rod pumps are used, fluid leakage in seals of plunger-cylinder and valve pair
through hole and radial slot is proportional to the area of the flow section and is also dependent on the
shape of the latter. A new type of mechanical seal has been developed that reduces leakage significantly
and increases efficiency and nonfailure operating life of piston or plunger pumps.
The key operational parameters of sucker-r ....etc

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Sealless Magnetic Drive Pumps


INTRODUCTION


In the case of pumps with a conventional drive, it is impossible to seal the rotating part against the static housing without any residual leakage
Even minor quantities of liquid can create safety problems if the media is hazardous.
The statutory regulations set stringent limits in many cases.
Excessive mechanical seal leakage or failures represent over 50% of pump repair incidents.



The Import ....etc

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