هندبوک مهندسی HAVC
کتاب هندبوک مهندسیHAVC شامل داده ها، نمودارها و جدول هایی است که به طور روزمره توسط مهندسین گرمایش، تهویه و تهویه مطبوع به طور قابل توجهی مورد استفاده قرار می گیرند.
در اینجا داده ها به صورت مختصری ارائه می شوند تا بتوان آنها را در کارهای سخت مهندسین HAVC به کار برد.
این کتاب برای استفاده روزمره طراحی شده است و شامل توضیحات جامعی برای استفاده کسانی است که می خواهند به صورت تئوری یک موضوع خاص را دنبال کنند.
This book contains in a readily available form the data, charts and tables which are regularly required by heating, ventilating and air conditioning engineers in their daily work
The data is presented in a concise manner to enable it to be applied directly in the actual daffy work of the HVAC engineer. The book is designed for everyday use and a comprehen- sive bibliography has been included for the benefit of those who wish to pursue the theoreti- cal side of any particular topic
For this edition some errors have been corrected, the explanatory notes on the psychr~ metric chart have been improved and the chart in previous editions has been replaced, with permission, by the well known CIBSE chart. Additional data has been included on design temperatures and ventilation rates and information has been inserted on precautions against legionellosis in both hot water systems and air conditioning plant. The data on duct thick- nesses and sizes has been revised to conform to current practice. A new section has been included on natural ventilation and the information on types of refrigeration compressors has been expanded. The data on refrigerants has been completely revised to list the new non4~FC and non-HCFC refrigerants. Practising engineers will still meet old plant which con- tains refrigerants which are now obsolete or obsolescent, and therefore the properties of the more important of these are also given
The policy of previous editions of giving tabulated data in both SI and Imperial units has been continued although theoretical expressions are generally given only in SI units
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