Performance Of Displacement Ventilation At Pori Works Ltd
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Performance Of Displacement Ventilation At Pori Works Ltd
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Author : Raimo Niemelä
language : en
Publisher:
Release Date : 1996
Performance Of Displacement Ventilation At Pori Works Ltd written by Raimo Niemelä and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.
Displacement Ventilation Performance
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Author :
language : en
Publisher:
Release Date : 1993-03-01
Displacement Ventilation Performance written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-03-01 with categories.
System Performance Evaluation And Design Guidelines For Displacement Ventilation
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Author : Qingyan Chen
language : en
Publisher: American Society of Heating Refrigerating and Air-Conditioning Engineers
Release Date : 2003
System Performance Evaluation And Design Guidelines For Displacement Ventilation written by Qingyan Chen and has been published by American Society of Heating Refrigerating and Air-Conditioning Engineers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Displacement ventilation categories.
This book presents system performance evaluation, and includes a 10-step design guideline for displacement ventilation systems for U.S. buildings. These design guidelines present two important models: 1) to calculate the temperature difference between the head and the foot level of an occupant; and 2) one to determine the ventilation effectiveness at the breathing level.The book notes that: A displacement ventilation system can provide a thermally comfortable indoor environment at a high cooling load through careful design. The indoor air quality in a space with displacement ventilation is better if the contaminant sources are associates with the heat sources. The displacement ventilation system can also save energy but requires a separate heating system if it is applied to building perimeter zones. 6 x 9, soft cover.
The Performance Of Displacement Ventilation Systems
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Author : Elisabeth Mundt
language : en
Publisher:
Release Date : 1996
The Performance Of Displacement Ventilation Systems written by Elisabeth Mundt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Displacement ventilation categories.
In a displacement ventilated room the air flow pattern is mainly governed by the convection flows from different heat sources. The interaction of the convection flows influences the contamination distribution in the room. This distribution also depends on the position and strength of the contamination sources. Local va lues at the same height in the room may differ significantly. The distribution i s also sensitive to 'disturbances' in the form of e.g. persons mowing around. Th e factors governing the air flow patterns were investigated by measurements of t emperature gradients, convection flow rates in plumes and contamination distribu tions. The efficiency of the ventilation was measured for many different combina tions of ventilation flow rates, heat loads and contamination sources. The tempe rature gradient was strongly correlated to the ventilation flow rate and very st able. People mowing around or walking in and out of the room did not influence t he shape of the gradient. Models for the temperature gradient in balanced and un balanced conditions were developed. The convection flow rate in a plume and its maximum height were influenced by the temperature gradient. Models for the conve ction flow rate in a plume from a point or a line source are given including the height where the plumes disintegrate due to the gradient in the surroundings. T he air change efficiency increased with the ventilation flow rate as long as the convection plumes reached the ceiling, and decreased when the plume disintegrat ed below the ceiling. The contaminant removal effectiveness was dependent on the position of the contamination (tracer gas) source and on the interaction of the convection flows in the room. A small change in the position of the tracer gas source caused a great change in the contaminant removal effectiveness. The inter action of the different convection flows in the room also caused a great variati on in the local air quality indices measured at the same level at different posi tions both with the tracer gas source in a plume and outside a plume. When the t racer gas source was outside a plume a heavy tracer gas spread to the floor in a ll measured cases while a light tracer gas spread to the floor only at low tempe rature gradients independent of the ventilation flow rate. Opening and closing o f a door was enough to ...
Annual Report
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Author : Työterveyslaitos (Finland)
language : en
Publisher:
Release Date : 1995
Annual Report written by Työterveyslaitos (Finland) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Industrial hygiene categories.
Displacement Ventilation And Static Cooling Devices
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Author : Tariq Abbas
language : en
Publisher:
Release Date : 1999
Displacement Ventilation And Static Cooling Devices written by Tariq Abbas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Buildings categories.
This volume presents the accepted practice for the design and implementation of displacement ventilation systems with and without static cooling devices, based on research as well as the views of consultants and manufacturers considered to be experts in this field. The book presents a detailed description of how displacement ventilation systems work, applications where they can be used, design issues, calculation procedures, system performance in terms of temperature, air speed, thermal comfort and indoor air quality as well as control, installation and maintenance.
Biogeochemistry Of Trace Elements In Coal And Coal Combustion Byproducts
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Author : Kenneth S. Sajwan
language : en
Publisher: Springer Science & Business Media
Release Date : 2000-01-31
Biogeochemistry Of Trace Elements In Coal And Coal Combustion Byproducts written by Kenneth S. Sajwan and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-01-31 with Science categories.
The research papers in this book present current knowledge of the sources, pathways, behavior, and effects of trace elements in soils, waters, plants, and animals. It is of interest to a variety of readers, including public health and environmental professionals, consultants, and academicians.
Suomen Kirjallisuus
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Author :
language : fi
Publisher:
Release Date : 1997
Suomen Kirjallisuus written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Finland categories.
Applications Of Process Engineering Principles In Materials Processing Energy And Environmental Technologies
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Author : Shijie Wang
language : en
Publisher: Springer
Release Date : 2017-02-07
Applications Of Process Engineering Principles In Materials Processing Energy And Environmental Technologies written by Shijie Wang and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-02-07 with Technology & Engineering categories.
This collection offers new research findings, innovations, and industrial technological developments in extractive metallurgy, energy and environment, and materials processing. Technical topics included in the book are thermodynamics and kinetics of metallurgical reactions, electrochemical processing of materials, plasma processing of materials, composite materials, ionic liquids, thermal energy storage, energy efficient and environmental cleaner technologies and process modeling. These topics are of interest not only to traditional base ferrous and non-ferrous metal industrial processes but also to new and upcoming technologies, and they play important roles in industrial growth and economy worldwide.
Naturally Occurring Radioactive Materials Norm Iv
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Author :
language : en
Publisher:
Release Date : 2005
Naturally Occurring Radioactive Materials Norm Iv written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Business & Economics categories.
Among the topics addressed at NORM IV were exposure to radionuclides of natural origin in mining and other industrial operations involving NORM (including environmental impacts), standards and regulation, and measurement techniques including measurement of radon.
