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
Into the Icy Unknown: Ironman Triathlete Dennis Ward Leads a Bold Radio Expedition to One of Earth’s Most Isolated Places
Few places on Earth are as remote—or as thrilling—as Bouvet Island. Located deep in the South Atlantic Ocean and often battered by fierce winds and icy seas, it’s one of the most isolated spots on the planet. Reaching it requires months of planning, physical endurance, and a daring spirit. For amateur radio operators, however, Bouvet…
Greenland Energy Company Is Leading Responsible Oil Development in Greenland’s Jameson Land Basin
The global conversation around oil is evolving—shaped by the forces of energy transition, geopolitical tension, and accelerating technology. Even as the world races toward decarbonization, demand for reliable, dispatchable energy continues to climb. Oil and gas together still supply just over half of global primary energy, underscoring their enduring role in the world’s power…
How Luxury Resale Became Big Business: Inside Fashionphile’s Playbook
Luxury retail is in the midst of a reinvention. Circular fashion has moved from trend to transformation, reshaping how consumers perceive value, ownership, and access. According to the 2025 BCG × Vestiaire Collective Resale Report, the secondhand fashion and luxury market now totals $210 to $220 billion globally and is projected to reach $320…
The Power of Reinvention: How Debbie Crouse Crafted a Career Across Industries
As the modern workforce continues to evolve, conversations around balance, fulfillment, and flexibility are taking center stage. With hybrid work redefining expectations and career paths becoming less linear, professionals are asking deeper questions about what “success” really means. According to Gallup’s latest data, only 31% of U.S. employees were engaged at work in…
