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The CTI Journal (ISSN: 0273-3250)

published semi-annually Copyright 2019 by The Cooling Technology Institute, PO Box #681807 Houston, Texas 77268. Periodicals postage paid at Houston, Texas.

mission statement

It is CTI’s objective to: 1) Maintain and expand a broad base membership of individuals and organizations interested in Evaporative Heat Transfer Systems (EHTS), 2) Identify and address emerging and evolving issues concerning EHTS, 3) Encourage and support educational programs in various formats to enhance the capabilities and competence of the industry to realize the maximum benefit of EHTS, 4) Encourge and support cooperative research to improve EHTS Technology and efficiency for the long-term benefit of the environment, 5) Assure acceptable minimum quality levels and performance of EHTS and their components by establishing standard specifications, guidelines, and certification programs, 6) Establish standard testing and performance analysis systems and prcedures for EHTS, 7) Communicate with and influence governmental entities regarding the environmentally responsible technologies, benefits, and issues associated with EHTS, and 8) Encourage and support forums and methods for exchanging technical information on EHTS.


Letters to the editor and manuscripts for publication should be sent to: The Cooling Technology Institute, PO Box # 681807 Houston, TX 77268.


The CTI Journal is published in January and June. Complimentary subscriptions mailed to individuals in the USA. Library subscriptions $45/ yr. Subscriptions mailed to individuals outside the USA are $45/yr.

change of address

Request must be received at subscription office eight weeks before effective date. Send both old and new addresses for the change. You may fax your change to 281.537.1721 or email:

publication disclaimer

CTI has compiled this publication with care, but CTI has not Investigated, and CTI expressly disclaims any duty to investigate, any product, service process, procedure, design, or the like that may be described herein. The appearance of any technical data, editorial material, or advertisement in this publication does not constitute endorsement, warranty, or guarantee by CTI of any product, service process, procedure, design, or the like. CTI does not warranty that the information in this publication is free of errors, and CTI does not necessarily agree with any statement or opinion in this publication. The entire risk of the use of any information in this publication is assumed by the user. Copyright 2019 by the CTI Journal. All rights reserved.

CTI Journal, Vol. 40, No. 2

Contents Feature Articles 8

Adiabatic Fluid Coolers And Condensers: Impact of Pad System Design on Saturation Efficiency and Unit Operation


Underwater Robotic Technology for Online Tower Basin Cleaning


Tailoring Scale Prediction Models to a Specific Application: Cooling Water


Utilizing New Technology to Provide Comprehensive Asset Management for Cooling Tower Maintenance


Reclaim Water for Cooling Tower Makeup; Not as Simple as Perceived


High Efficiency Heat Exchanger For Ice Energy Storage and Beyond


The Rest Of The Story: You Have Treated Your Cooling Tower - What Can Go Wrong?

Trevor Hegg, Gordon Struder, Jennifer Hamilton, Chad Nagle and Pat Strine

Steven Rydarowski, Joe Leist and Randi Morgan

Robert J Ferguson

Glenn Schaefer and Eric Koehler

Ray Post, P.E., and Brad Buecker

Grady Iliff, Levon Atoyan and Mitchell Ishmael

Adam Green, Esq. and Robert J. Cunningham, Pe

Special Sections

66 CTI Licensed Testing Agencies 67 CTI Sound Testing and Thermal Performance 68-69 CTI ToolKit 72-75 CTI Certified Towers

...see page8

Departments 2 2 4 6

Multi Agency Press Release Meeting Calendar View From the Tower Editor’s Corner

...see page 21

...see page 52 ...see page 42

...see page 46


Profile for Digital Publisher

CTI Journal  

Summer 2019

CTI Journal  

Summer 2019