Johnson- Knowledge Base

Frick Screw Compressors Pt. 2

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…

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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…

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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.

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private credit
Alts Innovators: AllianceBernstein’s Brent Humphries and Marc Cooper on Private Credit
November 17, 2025

Private credit has become one of the most significant shifts in modern finance—quietly but rapidly reshaping how private companies access capital. Over the last decade, assets under management in the space have surged from roughly $500 billion to about $2 trillion, fueled by post-crisis regulation, a growing appetite for yield, and the rise of…

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micro internships
The Job Dating Model: How Micro Internships Build Talent, Enable Smarter Hiring, and Boost Campus Impact
November 17, 2025

Experiential learning is surging in relevance. Employers are finding it harder than ever to evaluate early-career talent, while students are graduating into a labor market where more than half—about 52%—end up in roles that don’t require their degree. That disconnect is prompting colleges to reimagine how they equip students for meaningful career entry. Meanwhile,…

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Bouvet
Chasing Radio’s Rarest Signal: Meet Donato IK2EGL and the Bold Expedition to Earth’s Most Isolated Outpost
November 15, 2025

Few destinations stir the imagination of radio amateurs quite like Bouvet Island—a windswept, ice-covered outpost in the South Atlantic Ocean and one of the most remote places on Earth. Reaching it demands months of planning, rugged endurance, and a willingness to face conditions that few humans ever experience. For the dedicated team behind this expedition,…

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Baker Tilly
Baker Tilly Bridges Cultures and Markets to Power U.S.–China Business Growth
November 14, 2025

Baker Tilly’s U.S.–based China practice supports Chinese enterprises operating in the United States as well as U.S. companies with Chinese-heritage leadership. Team members such as Beverly Bian, Terry Dickens, and Lucy Ni work with clients ranging from early-stage ventures to major multinational organizations navigating cross-border growth. The practice distinguishes itself through its bilingual capabilities…

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