Technical Papers & Blog Posts
List of Publications & Online References by Robert Cunningham, PE
This document is a listing of technical publications by Robert J. Cunningham, PE. Where available there are references to online resources where further information may
Author: Robert J. Cunningham, PEDate: November 2023
List of Publications & Online References by Arthur J. Freedman, Ph.D. with additional papers by Arthur Freedman Associates Independent Consultants
Included is a PDF with of over 100 technical publications written by Arthur J. Freedman, Ph.D. along with many from associates of the firm. Most
Author: Arthur J. FreedmanDate: November 2023
Proper alkalinity control – a key factor in long term successful operation of a high pressure refinery waste heat boiler.
Failure to specify the proper control level of hydrate alkalinity in high pressure industrial boilers has resulted, over the years, in a myriad of problems.
Author: R.J. Cunningham; C.H. SpurrellDate: March 2007
Presented At: CORROSION 2007, Nashville, Tennessee
On-Line Dissoved Oxygen Monitoring in Boiler Feedwater Systems
Oxygen can cause serious corrosion and deposition problems in boiler feedwater systems. As a result, dissolved oxygen is an important on-line chemistry measurement in all
Author: Irvin J. CottonDate: March 2000
Presented At: CORROSION 2000, Orlando, Florida. NACE-00661
Avoiding Failures in Commercial Water Systems
Water-related failures in commercial heating and cooling systems can be expensive, time-consuming and sometimes deadly. Modern water treatment chemical programs and application knowledge are more
Author: Arthur J. Freedman; Irvin J. Cotton; Richard A. HoffmannDate: March 2001
Presented At: CORROSION 2001, Houston, Texas. NACE-01492
The Practical Application of Ion Association Model Saturation Level Indices to Commercial Water Treatment Problem Solving
The availability of fast personal computers has allowed ion association models to be developed for the relatively inexpensive and widely available “PC” platforms. Ion association
Author: R. J. Ferguson, A. J. Freedman, G. Fowler, A. J. Kulik, J. Robson & D. J. WeintrittDate: 1995
The Changing Face of Water Management: A Look to the Future
Materials performance. 2001, Vol 40, Num 7, pp 44-47ISSN0094-1492. National Association of Corrosion Engineers, Houston, TX. Heating, cooling, and process waters are essential in modern commerce.
Author: Arthur J. FreedmanDate: 2001
Selection and Protection of Metals in Building HVAC Systems
An understanding of the characteristics and the handling and protection requirements for the materials used in building water systems is essential to reliability of the
Author: Arthur J. Freedman; Richard W. Hoffman; Irvin J. CottonDate: March 2000
Presented At: CORROSION 2000, Orlando, Florida. NACE-00651
Why Free Cooling Isn’t Free
Direct injection of water from a cooling tower into a closed chilled water loop has been used to reduce refrigeration chiller operation, save energy and
Author: K. Anthony Selby; Arthur J. FreedmanDate: March 1998
Presented At: CORROSION 98, San Diego, California. Paper Number: NACE-98715
Corrosion and Corrosion Control in Building Water and HVAC Systems
An active building has many service water systems in use for HVAC purposes and many different materials in those system a for “corrosion-free” containment. All
Author: Richard A. Hoffmann; Arthur J. FreedmanDate: March 9, 1997
Presented At: Corrosion97, New Orleans, Louisiana, Paper Number: NACE-97452
Considerations for On-Line and Off-Line Cleaning of HVAC Piping Systems
The presence of deposits in pipes and equipment, or the appearance of leaks, is the driving force for considering a cleaning program. The choice between
Author: R. Hoffmann, A. FreedmanDate: February 1997
Practical Considerations in High Cycle Cooling Water Operations
High cycle cooling water operations are typically practiced in water short areas and in areas where extreme environmental sensitivity exists. The resulting open, evaporative cooling
Author: Arthur J. Freedman; Thomas M. Laronge; Chester M. Malewski; Craig W. WilliamsDate: December 1993
Case Histories of On-Line and Off-Line Cleaning of HVAC Piping Systems
The cleaning of HVAC and industrial cooling systems is a complex process that requires careful planning. The presence of large quantities of deposits in pipes
Author: Richard A. Hoffmann; Arthur J. Freedman, Ph.D.Date: 1996
Presented At: CORROSION 96, Denver, Colorado, March 1996. Paper Number: NACE-96523
Design of Equipment and Operation of Laboratory Test for Heat Transfer Surface Inhibition in Cooling Water
1963 Volume 12 Issue 10 Pages 478-483 in Japanese. Available at https://doi.org/10.3323/jcorr1954.12.10_478 Abstract Corrosion inhibitors in open recirculating cooling water systems require rapid and complete
Author: A. J. Freedman, W. J. Ryzner, J. D. KnappSelection of Alloys for Refinery Processing Equipment
CORROSION (1960) 16 (1): 19t–25t. Available at https://doi.org/10.5006/0010-9312-16.1.107 Discusses variables in a refinery which affect selection of alloy materials to be used in construction of units.
Author: A. J. FREEDMAN; G. F. TISINAI; E. S. TROSCINSKIEvaluation of Refinery Corrosion Inhibitors
CORROSION (1958) 14 (12): 39–42. Available at https://doi.org/10.5006/0010-9312-14.12.39 Since reproduction of refinery operating conditions in the laboratory is difficult, most laboratory testing of refinery corrosion inhibitors
Author: A. J. FREEDMAN; A. DRAVNIEKSAn Electrical Resistance Method of Corrosion Monitoring In Refinery Equipment
CORROSION (1958) 14 (4): 29–32. Available at https://doi.org/10.5006/0010-9312-14.4.29 A corrosion test system based on the electrical resistance method permits continuous monitoring of corrosion rates in refinery
Author: A. J. FREEDMAN; E. S. TROSCINSKI; A. DRAVNIEKSSelection of Rust Inhibitors to Meet Service Requirements
CORROSION (1957) 13 (2): 19–24. Available at https://doi.org/10.5006/0010-9312-13.2.19 Rust inhibitors should be selected with reference to the type of service in which they will be used.
Author: A. J. FREEDMAN; A. DRAVNIEKS; W. B. HIRSCHMANN; R. S. CHENEY
Full List of Technical Papers / Bulletins by Edward (Ted) S. Beardwood
Attached is a list of approximately 280 papers and bulletins by Ted Beardwood, some of which are posted on the Arthur Freedman Associates website. Feel
Steam Purity in Heat Recovery Steam Generators
The paper will discuss the effects of impurities in HRSG boiling waters on steam purity and carryover intothe steam turbine. The equation used for predicting
Author: Edward S. BeardwoodA New and Novel Abiotic-Biotic Fouling Sensor for Aqueous Systems
Deposits on surfaces in water – bearing systems, also known as “fouling”, can lead to substantial losses in the performance of industrial processes as well
Author: P. Bierganns and Edward S. BeardwoodWhat Happens When Real World Operation of Steam Generators Deviate from Design Conditions
Tales abound concerning operational failures in steam generating systems. In most cases, during the investigation phase of the root cause analysis, it becomes clear that
Author: Douglas B. DeWitt-Dick and Edward S. BeardwoodTreatment and Performance Management for Cooling Waters
The global economy has forced a shift in emphasis from preventative maintenance to risk based maintenance with expectations of extending the time between scheduled outages
Author: Edward S. BeardwoodDetection, Management, and Restoration of Cooling Waters Experiencing Process Inleakage in the Hydrocarbon Refining Industry
A novel approach to onsite, high purity generation of a monochloramined amine (MCA), whenapplied to cooling waters, has revealed equivalent performance attributes as associated withchlorine
Author: Edward S. Beardwood