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Description of ASTM-D4778 2010ASTM D4778 - 10Standard Test Method for Determination of Corrosion and Fouling Tendency of Cooling Water Under Heat Transfer ConditionsActive Standard ASTM D4778 | Developed by Subcommittee: D19.03 Book of Standards Volume: 11.01 ASTM D4778Significance and Use Deposits on heat transfer surfaces reduce efficiency of the heat exchanger affected. A method for easily determining the corrosion and fouling tendency of a particular water under heat transfer conditions will allow the evaluation of changes in the various system variables such as heat flux, flow velocity, metallurgy, cycles-of-concentration, and treatment schemes on heat exchanger performance. 1. Scope 1.1 This test method provides directions for fabricating and operating a test apparatus to simultaneously monitor the corrosion and fouling tendency of real and pilot cooling water systems under heat transfer conditions. 1.2 Interpretation of the results of this test method must be left to the investigator. Many variables are involved which may not be easily controlled or fully understood. Variations in design and operating conditions may produce results that are not comparable from unit to unit. 1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for information only. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
ASTM Standards D1129 Terminology Relating to Water D2331 Practices for Preparation and Preliminary Testing of Water-Formed Deposits D2777 Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water G1 Practice for Preparing, Cleaning, and Evaluating Corrosion Test Specimens G16 Guide for Applying Statistics to Analysis of Corrosion Data Keywords cooling water; corrosion; deposits; fouling; heat transfer; Precipitates; Water corrosivity; Weight loss; Biomass; Condenser and heat exchanger systems; Contamination--water; Cooling systems; Corrosivity--water; Deposit weight; Flow and flow rate--water; Fouling tendency; Heat flux; Heat transfer; Inlet water; Metallurgical materials/applications; Metal weight loss; Particulate matter content--water; Pilot cooling water; ICS Code ICS Number Code 13.060.60 (Examination of water for physical properties) DOI: 10.1520/D4778-10 ASTM International is a member of CrossRef. ASTM D4778The following editions for this book are also available...This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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