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This article is presented by:Dr. P. S. Paul
Dept. of Mining Engineering
Indian School of Mines University, Dhanbad

INTRODUCTION

Tunnels or drifts are essentially blind headings till they are connected to shafts or adits thus posing a real challenge to ventilation engineers.

The work place environment in tunnels is greatly influenced by the ventilation method, selection of proper fan and duct apart from cost ....etc

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Prepared by:
Christopher P. Diehl, Benjamin E. Henty, Nikhil Kanodia, and Daniel D. Stancil


Abstract
An alternative method of distributing RF in buildings is proposed in which the heating and ventilation ducts are used as waveguides. Because of the relatively low waveguide loss, this method may lead to more efficient RF distribution than possible with radiation through walls or the use of leaky coax. Further, the use of existing infrastructure could lead to a lower-cost system. Initial experimental results are pr ....etc

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Heat Recovery Ventilation

Introduction

Heat recovery ventilation, also known as HRV, mechanical ventilation heat recovery, or MVHR, is an energy recovery ventilation system using equipment known as a heat recovery ventilator, heat exchanger, air exchanger, or air-to-air heat exchanger which employs a counter-flow heat exchanger (countercurrent heat exchange) between the inbound and outbound air flow.
HRV provides fresh air and improved climate control, while also saving energy by reducing heatin ....etc

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Automatic Ventilation Control

Introduction
This article describes the design of a portable automatic ventilation control system that also processes arterial oxygen saturation (SpO2) data from a pulse oximeter. The system, built around Freescale s 8-bit MC9S08QG4 microcontroller (MCU), is designed to be a portable, automatic replacement for manual pulse oxygen and ventilation monitoring and control, requiring less human interaction during surgery. It can be particularly useful during surgery on infants. Overview All tissues ....etc

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Introduction

HVAC (Heating, Ventilating, and Air Conditioning) refers to technology of indoor or automotive environmental comfort. HVAC system design is a major subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics, and heat transfer. Refrigeration is sometimes added to the field's abbreviation as HVAC&R or HVACR, or ventilating is dropped as in HACR (such as the designation of HACR-rated circuit breakers).
HVAC is particularly important in the design of medium to large industrial and office build ....etc

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To get full information or details of magnetic braking system please have a look on the pages

http://seminarsprojects.net/Thread-epm-braking-electric-pulse-magnetic-braking-full-report?pid=31621

if you again feel trouble on magnetic braking system please reply in that page and ask specific fields in magnetic braking system ....etc

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