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Author : Steven J. Slayzak
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (464 download)
Download or read book Desiccant Dehumidification Wheel Test Guide written by Steven J. Slayzak and published by . This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Steven J. Slayzak
Publisher :
ISBN 13 :
Total Pages : 43 pages
Book Rating : 4.:/5 (464 download)
Download or read book Desiccant Dehumidification Wheel Test Guide written by Steven J. Slayzak and published by . This book was released on 2000 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Enrique Rosales Asensio
Publisher : MDPI
ISBN 13 : 3039362208
Total Pages : 124 pages
Book Rating : 4.0/5 (393 download)
Download or read book Alternative Energy Systems in Buildings written by Enrique Rosales Asensio and published by MDPI. This book was released on 2020-06-16 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of this book is to evaluate alternative energy systems in buildings, regardless of their location and climatic conditions. Over the past few years, the use of passive cooling and heating technologies has become more common for reducing the energy consumption of buildings. However, for some building systems, these technologies are not used very often. Buildings intended for children or the elderly are often climatized to improve indoor thermal conditions. In this Special Issue, a cost reduction in climatization based on passive systems is expected to be conducted. Building site optimization is expected to be performed, to improve thermal behavior. To achieve this, computational fluid dynamics tools are expected to be used. These reductions are expected to be studied for conventional and renewable energy systems, showing that passive systems provide better thermal comfort and reduce the initial investment and energy consumption, making low-cost buildings feasible.
Author :
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ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (684 download)
Download or read book Developing a Standard Method of Test for Packaged, Solid-Desiccant Based Dehumidification Systems written by and published by . This book was released on 2001 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: A draft Method of Test (MOT) has been proposed for packaged, air-to-air, desiccant-based dehumidifier systems that incorporate a thermally-regenerated desiccant material for dehumidification. This MOT is intended to function as the ''system'' testing and rating compliment to the desiccant ''component'' (desiccant wheels and/or cassettes) MOT (ASHRAE 1998) and rating standard (ARI 1998) already adopted by industry. This draft standard applies to ''packaged systems'' that: Use desiccants for dehumidification of conditioned air for buildings; Use heated air for regeneration of the desiccant material; Include fans for moving process and regeneration air; May include other system components for filtering, pre-cooling, post-cooling, or heating conditioned air; and May include other components for humidification of conditioned air. The proposed draft applies to four different system operating modes depending on whether outdoor or indoor air is used for process air and regeneration air streams . Only the ''ventilation'' mode which uses outdoor air for both process and regeneration inlets is evaluated in this paper. Performance of the dehumidification system is presented in terms that would be most familiar and useful to designers of building HVAC systems to facilitate integration of desiccant equipment with more conventional hardware. Parametric performance results from a modified, commercial desiccant dehumidifier undergoing laboratory testing were used as data input to evaluate the draft standard. Performance results calculated from this experimental input, results from an error-checking/heat-balance verification test built into the standard, and estimated comparisons between desiccant and similarly performing conventional dehumidification equipment are calculated and presented. Some variations in test procedures are suggested to aid in analytical assessment of individual component performance.
Author : Stephen D. Grumbach
Publisher :
ISBN 13 : 9781423542216
Total Pages : 337 pages
Book Rating : 4.5/5 (422 download)
Download or read book The Transient Response of Rotary Desiccant Wheels Through Experimentation and Numerical Analysis written by Stephen D. Grumbach and published by . This book was released on 1999-10-01 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rotary desiccant wheels are commonly used for industrial dehumidification systems and significant research has also been done to increase their application in other HVAC systems. The transient response is of concern because it can affect system overall performance and previous research efforts have indicated the transient response to be of substantial duration. This research experimentally and analytically investigated the transient response of rotary desiccant wheels. A model was developed to predict the transient response of rotary desiccant wheels with significant improvements to previous versions. The basic model uses fundamental principles of heat and mass transfer with the finite difference method. The parabolic concentration profile was used to approximate moisture gradients within the desiccant particle. This concept is fundamentally more correct than previous lumped capacitance models and avoids the computational difficulties of more rigorous models which include an extra second order differential equation. The NTU terms from the finite difference equations were also calculated at each point rather than as constants for a stream or wedge since they are significantly temperature and moisture dependent. The numerical solution techniques improved the speed and flexibility of the model by using a tri-diagonally banded matrix solver for the difference equations and the bisection method was used for the parabolic concentration profile. Experimental work was performed at the National Renewable Energy Laboratory (NREL) in Golden, CO on a commercially available rotary desiccant wheel made by NovelAire. Step changes to regeneration temperature, wheel speed, and flowrate were performed. The model validated very well using the experimental data through statistical and visual analysis of the outlet condition (temperature, humidity ratio) response curves.
Author :
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ISBN 13 :
Total Pages : 936 pages
Book Rating : 4.:/5 (319 download)
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 2000-07 with total page 936 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)
Download or read book Method of Test for Rating Desiccant-based Dehumidification Equipment written by and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hans-Martin Henning
Publisher : Birkhäuser
ISBN 13 : 399043439X
Total Pages : 368 pages
Book Rating : 4.9/5 (94 download)
Download or read book Solar Cooling Handbook written by Hans-Martin Henning and published by Birkhäuser. This book was released on 2013-09-17 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: In vielen Ländern trägt die sommerliche Raumklimatisierung maßgeblich zum Energieverbrauch von Gebäuden bei. Eine vielversprechende Möglichkeit zur Reduktion ist die Nutzung von thermischer Solarenergie in Systemen der solar unterstützten Klimatisierung. Der große Vorteil liegt dabei in der weitgehenden Zeitgleichheit von Kühllasten und Solargewinnen, zumindest im saisonalen Maßstab. Allerdings wurden bis heute weltweit nur vergleichsweise wenige Systeme installiert, und es liegen nur geringe Erfahrungen hinsichtlich Auslegung und Betrieb solcher Anlagen vor. Das Ziel dieser mittlerweile in der 3. Auflage vorliegenden Handbuchs ist es, zur Beseitigung dieses Mangels beizutragen und den Planer bei der Auslegung von Anlagen der solar unterstützten Klimatisierung, die thermische Solarkollektoren als Wärmequelle nutzen, zu unterstützen.
Author :
Publisher :
ISBN 13 :
Total Pages : 756 pages
Book Rating : 4.:/5 (318 download)
Download or read book ASHRAE Journal written by and published by . This book was released on 1994 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (926 download)
Download or read book Method of Testing for Rating Desiccant Dehumidifiers Utilizing Heat for the Regeneration Process written by and published by . This book was released on 2015 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 2062 pages
Book Rating : 4.F/5 ( download)
Download or read book Thomas Register written by and published by . This book was released on 2004 with total page 2062 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 564 pages
Book Rating : 4.:/5 (3 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1986 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 664 pages
Book Rating : 4.:/5 (327 download)
Download or read book Bulletin de l'Institut international du froid written by and published by . This book was released on 2002 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Justin Kauwale
Publisher :
ISBN 13 : 9780988737242
Total Pages : pages
Book Rating : 4.7/5 (372 download)
Download or read book Mechanical PE HVAC and Refrigeration Textbook (Technical Study Guide) written by Justin Kauwale and published by . This book was released on 2017-03-23 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This technical study guide teaches you the necessary key concepts and skills for passing the Mechanical HVAC & Refrigeration PE exam. The guide covers all exam topics and includes practice problems with detailed solutions in each section.
Author :
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ISBN 13 :
Total Pages : 390 pages
Book Rating : 4.3/5 (129 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1983 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : WSEAS LLC Staff
Publisher :
ISBN 13 : 9781618041753
Total Pages : 379 pages
Book Rating : 4.0/5 (417 download)
Download or read book Latest Trends in Renewable Energy and Environmental Informatics written by WSEAS LLC Staff and published by . This book was released on 2013-03-12 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: 7th International Conference on Renewable Energy Sources (RES '13) 1st International Conference on Environmental Informatics (ENINF '13)
Author : Bertrand Lavédrine
Publisher : Getty Publications
ISBN 13 : 9780892367016
Total Pages : 304 pages
Book Rating : 4.3/5 (67 download)
Download or read book A Guide to the Preventive Conservation of Photograph Collections written by Bertrand Lavédrine and published by Getty Publications. This book was released on 2003 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: A resource for the photographic conservator, conservation scientist, curator, as well as professional collector, this volume synthesizes both the masses of research that has been completed to date and the international standards that have been established on the subject.
