Contents
COVER STORY :
8 POP-A-PLUG ® TUBE PLUGGING SYSTEM – INNOVATIVE SOLUTIONS FOR HEAT EXCHANGER TESTING & REPAIR FROM CURTISS-WRIGHT EST GROUP
Curtiss-Wright Corporation provides engineered products , solutions , and services to the aerospace , defense , general industrial , and power generation markets worldwide . It operates through three segments : Aerospace & Industrial , Defense Electronics , and Naval & Power . Heat Exchanger World had the pleasure of speaking to David Kronen , Power Segment Manager , and Les Burns , Marketing Manager , of Curtiss-Wright ’ s EST Group about the company ’ s product line , including their flagship product , Pop-A-Plug ® .
16 ADVANCING TO NET ZERO STEAM Steam has played a vital role in our past , and present , and will remain essential to our future progress too . And , thanks to rapidly evolving technology and engineering breakthroughs , we can look forward to enjoying its many benefits in a net zero world tomorrow .
19 FEEDWATER HEATER LEAK DETECTION
Feedwater heater reliable operation plays a critical role in maintaining low heat rates and high availability . Thermal power plants suffer significant derates and energy loss due to feedwater heater tube leakage annually .
23 HEAT EXCHANGER PARTNERSHIP ALLOWS ACCURATE TRIALS
For companies that operate with the latest thermal processing technology , like HRS Heat Exchangers and its clients in the food and beverage industry , being able to trial up-to-date systems and analyse the latest materials and products can pay huge dividends , particularly when such work is undertaken by experienced independent researchers and engineers .
27 PLATE HEAT EXCHANGERS : A DEEPER LOOK INTO THERMAL DESIGN
The design period of a heat exchanger takes into account thermal and mechanical calculations and pre-manufacturing periods . To build on existing general knowledge about the thermal side of design , manufacturers need to be more considerate of other parameters .
29 EVOLUTION OF HEAT EXCHANGERS : FROM ANCIENT INNOVATIONS TO MODERN ADVANCEMENTS
Over the centuries , the evolution of heat
exchangers has witnessed remarkable advancements driven by scientific discoveries , technological breakthroughs , and the growing demand for enhanced energy efficiency .
32 MOECO AND CHEVRON : ADVANCED CLOSED LOOP GEOTHERMAL PILOT
In June , Chevron New Energies Japan
GK ( Chevron New Energies Japan ), a subsidiary of Chevron U . S . A . Inc ., and Mitsui Oil Exploration Co ., Ltd ( MOECO ) announced the execution of definitive agreements to proceed with the pilot testing of advanced geothermal technology .
35 DUPLEX STAINLESS STEEL AS A MATERIAL OF CONSTRUCTION IN ALKALINE ELECTROLYZERS
Duplex grades are generally higher alloyed in chromium than austenitic grades and have proven to perform very well in caustic service at high temperatures . This makes them suitable materials for alkaline electrolyzers , especially in heat exchangers and piping that are not exposed to high-pressure hydrogen gas .
39 PREDICTING FOULING : SURFACE EFFECTS In this article , Isaac Appelquist Løge and Benaiah Anabaraonye will emphasize the significance of surfaces in fouling processes and delve into the shortcomings of existing prediction models .
4 Heat Exchanger World September 2023 www . heat-exchanger-world . com