Johnson- Knowledge Base
Here, the focus is on screw compressors in refrigeration and the use of economizers and side loads to enhance energy efficiency. The advantages of screw compressors over reciprocating compressors are highlighted, particularly their ability to have a secondary suction port for drawing additional vapor. The economizer utilizes this port to sub-cool liquid going from the…
Latest
Johnson- Knowledge Base
Frick Screw Compressors Pt. 1
Learn about the basic operation of rotary screw compressors and what part they play in refrigeration. We think of screw compressors as the heart of refrigeration. By understanding a little about how they are supposed to operate, it helps you in applying them in systems and knowing the important points when selecting equipment and designing…
Johnson- Knowledge Base
Fundamentals of Vibration Measurement with Screw Compressors
Screw compressors are quite large and always a vibration signature on machines. It’s important to learn what we can from those signatures to know if maintenance is needed or if a machine needs some attention. Starting with the basics today and work up to a little more specific interpretation of screw compressor details.
Latest
Predictive Networks: How Baron Weather and GIS are Strengthening Telecom Operations
Severe weather is no longer an occasional disruption for telecom providers—it’s becoming part of the operating environment. During Hurricane Ida in 2021, the Federal Communications Commission reported that nearly 1,000 cell sites across Louisiana and Mississippi went offline. In 2024, Hurricane Milton left more than 12% of cell sites in impacted areas of Florida…
The DAISY Foundation: Impacting Nurse Careers Through Recognition
Recognition is often described as a “nice to have” in healthcare, but on this episode of Care Anywhere, it’s framed as something far more essential. Host Lea Sims sits down with Deb Zimmermann, DNP, RN, NEA-BC, FAAN, Chief Executive Officer of The DAISY Foundation, and Bonnie Barnes, FAAN, co-founder of the organization, to explore…
The Origin of Revpar Media: Host Calvin Tilokee’s Journey from Revenue Management to Performance Storytelling
Something has shifted in hotel marketing, and you can feel it. In a landscape where every property can publish polished visuals, aesthetics alone are no longer enough to stand out—or to convert attention into bookings. Research increasingly shows that social media now plays a meaningful role in how travelers choose destinations and plan trips,…
Spiral Growth: The Career Strategy That Builds Real Leaders
Leadership pipelines are under pressure. Companies are moving faster, roles are becoming more cross-functional, and high-potential talent is expected to deliver beyond narrow job descriptions earlier in their careers. At the same time, the World Economic Forum estimates that 39% of workers’ core skills will need to evolve by 2030 to keep pace with…
