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Premiere Issue
SDCT in ACRHP Goes Global (Issue 1)
Over the past decade, the adoption of SDCT technology has taken off—especially across Asia, where major OEMs ‎continue to lead the charge in innovation and manufacturing excellence.‎
 
 

Here is an archive of the MicroGroove Update newsletter. All told, there have been 36 issues, including 31 “in the Spotlight” columns. These archival issues serve as a unique historical timeline of the adoption of SDCT with ACRHP Sectors.

Note: Volumes 10-14 (2020-24) are viewable online. Volumes 1-9 (2011-19) are available as downloadable PDF files.

Volumes 13-14

The International Congress of Refrigeration Provides Windows into New Research (MGU 14-1A

In the Spotlight: LU-VE Group Brings Advanced Heat Exchangers to the World (MGU 14-1B)

China Heat Pump Industry to Assemble in Shanghai for CHPF August 6-8, 2024‎ (MGU-14-Special)

 

Cold Climate Heat Pumps Are Coming to America (MGU 13-1)

 In the Spotlight: Triennial Heat Pump Conference Returns to North America with Big Ideas (MGU 13-1)

 MGU 13-1 PDF

 

 Heat Pumps Take Center Stage in Paris, ICR 2023. Part One (MGU 13-2)

In the Spotlight: HXSim Software Gives Powerful Insights for RACHP Design (MGU 13-2)

 MGU 13-2 PDF

 

An outdoor ATW HP can be coupled with a multi-function tank to provide domestic hot water and space heating as well as space cooling and tap water. (Courtesy of PHNIX.)

Volumes 10-12

Heat Pumps Gain Popularity in China (MGU 12-1)

In the Spotlight: USST Conducts Research on Heat Exchangers for Refrigerated Display Cabinets (MGU 12-1)

MGU 12-1 PDF

 

Europe Turns Up Heat on Heat Pumps at Interclima & Chillventa (MGU 12-2)

In the Spotlight: Karyer Profits from Widespread Demand for Advanced Heat Exchangers (MGU 12-2B)

 

Virtual Conferences Focus on Energy Efficient Heating and Cooling (MGU 11-1)

In the Spotlight: Lordan Rises to Meet Challenges with Heat-Exchanger Expertise and Excellence in Manufacturing (MGU 11-1)

MGU 11-1 PDF

 

Simulations: CoilDesigner, HPDM & HXSim (MGU 11-2)

In the Spotlight: Thermophysical Properties and Transport Properties of Refrigerants (TPTPR)‎ (MGU 11-2)

MGU 11-2 PDF

 

Microgroove Coils Span the Globe: Europe is Eco-Friendly (MGU 10-1)

In the Spotlight: shecco & ATMOsphere Conferences (MGU 10-1)

MGU 10-1 PDF

 

“Net Zero Carbon” Goals Assisted by Smaller-Diameter Copper Tubes (MGU 10-2)

In the Spotlight: Heat Pump Water Heaters Offer Extraordinary Energy Savings (MGU 10-2)

MGU 10-2 PDF

Admin Building on the University of Shanghai for Science and Technology Campus. (Courtesy of USST)
The LU-VE Group pioneered the development of large condensers and gas coolers with 5 mm diameter copper tubes. Most recently the technology has been applied to R744 gas coolers such as the one shown here.

Volumes 7-9

Volumes 7-9 merged PDF

 

Microgroove Coils Span the Globe: Asia Leads the Way (MGU 9-1)

In the Spotlight: HXSim is a Powerful Tool for Simulating Microgroove Coils (MGU 9-1)

MGU 9-1 PDF

 

Microgroove Coils Span the Globe: Copper Tubes Thrive in India (MGU 9-2)

In the Spotlight: International Congress of Refrigeration (MGU 9-2)

MGU 9-2 PDF

 

MicroGroove Faces Off Against Aluminum In OEM Product Development (MGU 8-1)

In the Spotlight: Sub-Zero Weighs the Advantages of Microgroove in Condenser Coils (MGU 8-1)

MGU 8-1 PDF

 

Microgroove Coils Span the Globe: The Americas  (MGU 8-2)

In the Spotlight: MicroGroove Research at Purdue Herrick Conferences (MGU 8-2)

MGU 8-2 PDF

 

MicroGroove Excels in Heat Pump Applications (MGU 7-1)

In the Spotlight: Friedrich and OTS Optimize AC Coil with Coildesigner® (MGU 7-1)

MGU 7-1 PDF

 

MicroGroove Gains Momentum in Refrigeration Applications for Supermarkets and Convenience Stores (MGU 7-2)

In the Spotlight: MTL Cool Ramps Up Production of “Natural Refrigerant” Refrigeration Systems using Microgroove Technology (MGU 7-2)

MGU 7-2 PDF

This grocery store reach-in cooler uses SDCT Technology with R290. (Courtesy of MTL Cool.)

Volumes 5-6 

Volumes 5-6 Merged PDF

 

Smaller Diameter Copper Tubes Expand into Diverse Applications (MGU 6-1)

In the Spotlight: Brewers Reap the Benefits of the Microgroove Advantage (MGU 6-1)

MGU 6-1 PDF

 

MicroGroove Tubes Facilitate Adoption of Low GWP Refrigerants (MGU 6-2)

 In the Spotlight: UNFCC, COP21 and the Montreal Protocol (MGU 6-2)

MGU-6-2 PDF

 

New Research Supports Simulations of Airside Heat Transfer around Microgroove Tubes (MGU 6-3)

 In the Spotlight: Super Radiator Coils Builds Coils for Low-GWP Refrigerants (MGU 6-3)

MGU 6-3 PDF

 

MicroGroove Manufacturing Steps Up as Industry Transitions to Low-GWP Refrigerants (MGU 5-1)

In the Spotlight: CEEE’s CoilDesigner Now Includes MicroGroove (MGU 5-1)

MGU 5-1 PDF

 

New Copper Tube Technologies (MGU 5-2)

 In the Spotlight: “Heat Transfer Solutions” Takes Advantage of MicroGroove (MGU 5-2)

MGU 5-2 PDF

 

New Pressure-Expansion Equipment is a Game-Changer for High-Volume MicroGroove Manufacturing (MGU 5-3)

 In the Spotlight: The Phoenix Rises at Burr Oak Tool Inc. (MGU 5-3)

MGU 5-3 PDF

Two coils, comparing 5-mm and 7-mm MicroGroove copper tubes. (Courtesy of Lordan.)
New equipment from OAK uses pressure to expand smaller-diameter copper tubes into fin plates. (Courtesy of Burr OAK Tool Inc.)

Volumes 3-4

Volumes 3-4 Merged PDF

 

A Brief History of MicroGroove (MGU 4-1)

In the Spotlight: Goodman Pioneers Use of 5 mm Tubes in Condensers (MGU 4-1)

MGU 4-1 PDF

 

Latest Microgroove Research is Ready for Presentation at International Conferences (MGU 4-2)

In the Spotlight: Chigo Now Offers Split System with “All Copper” Evaporator Coils (MGU 4-2)

MGU 4-2 PDF

 

Laboratory Experiments and Computer Simulations Establish Firm Foundation for New Designs and Applications (MGU 4-3) 

In the Spotlight: The Cold Chain in China (MGU 4-3)

MGU 4-3 PDF 

 

The Copper Alliance Highlights Commercial Applications of MicroGroove Technology at the AHR Expo (MGU 3-1)

In the Spotlight: Big Coils, Tiny Tubes: Super Radiator Coils (MGU 3-1) 

 

 

New Applications for Smaller-Diameter Copper Tubes (MGU 3-2)

 In the Spotlight: SPIROTECH Moves to Smaller-Diameter Copper Tubes (MGU 3-2)

MGU-3-2 PDF

 

MicroGroove Successes Spur New Research (MGU 3-3)

 In the Spotlight: NanoGIANT Air-Cooled Condensers from LU-VE Group Boast Smaller Diameter Copper Tubes (MGU 3-3)

MGU 3-3 PDF

Goodman announced its new SmartCoil™ technology in 2008. The coils were made of aluminum fins and 5-mm copper tubing.
SPIROTECH (New Delhi, India) uses SDCTs in its coil designs

Volumes 1-2

 Volumes 1-2 Merged PDF

 

Trends in Cooling Technology and Coil Design (MGU 2-1)

In the Spotlight: Chigo Split System (MGU 2-1)

MGU 2-1 PDF

 

Making Coils with MicroGroove Tubes (MGU 2-2)

 In the Spotlight: Mechanical Expander from Burr OAK (MGU 2-2)

MGU 2-2 PDF

 

New Research Underscores Best Practices in Coil Design (MGU 2-3)

In the Spotlight: Professor G.L. Ding (MGU 2-3)

MGU 2-3 PDF

 

Researchers around the World Examine Round Copper Tubes in ACR Applications (MGU 2-4)

 In the Spotlight: All Copper Evaporators on Shanghai Buses (MGU 2-4)

MGU 2-4 PDF 

 

OEMs Use Smaller Diameter Copper Tubes in New ACR Products (MGU 1-1)

MGU 1-1 PDF

 

MicroGroove Technology on Display at Refrigeration Congress in Prague (MGU 1-2)

MGU 1-2 PDF

 

Natural Refrigerants Perform Best with MicroGroove Technology (MGU 1-3)

 In the Spotlight: Antimicrobial Materials (MGU 1-3)

MGU 1-3_PDF

 

Production line for SDCT.
SDCTs with inner grooves provide high-efficiency and reduced size and weight for this section of a condenser coil. (Courtesy of Midea.)