بایگانی‌ها Copper Tubes

مقایسه مهندسی تیوب‌های مسی 8/5" با ضخامت‌های دیواره 0.50، 0.63 و 0.70 میلی‌متر

18NovNovember 18, 2025

The engineering comparison of 5/8″ copper tubes with wall thicknesses 0.50 mm, 0.63 mm and 0.70 mm used in a water coil (fin-tube) with aluminum fins

Below is the engineering comparison of 5/8" copper tubes with wall thicknesses 0.50 mm, 0.63 mm and 0.70 mm used in a water coil (fin-tube) with aluminum fins. Internal heat transfer (controlled by conduction and convective heat-transfer coefficient) Internal convective heat-transfer coefficient (hi): for the same volumetric flow rate, thinner-wall tubes (0.50 mm) have a slightly larger internal radius and therefore slightly lower pressure drop and a similar or slightly higher hi compared with thicker tubes. Changes are usually small and mainly...

By پیمان داوریArticles, Technichal Points, TrainingCopper Tubes

28OctOctober 28, 2025

Why Copper Tubes Are Used in Fin-and-Tube Coils

Introduction The choice of tube material in fin-and-tube coils strongly affects performance, durability, and life-cycle cost in HVAC, chillers, boilers, and heat exchangers. Copper (Cu) is one of the most common choices. Below are technical, organized reasons why copper tubes are preferred. 1. High Thermal Conductivity • Copper has very high thermal conductivity compared with many common metals (e.g., carbon steel). • High conductivity enables fast, efficient heat transfer between the fluid inside the tube and the external fins, improving overall coil heat-transfer effectiveness. •...

By پیمان داوریArticles, Technichal Points, TrainingCopper Tubes, Fin-and-Tube Coils

پروسه اسیدشویی کندانسور پوسته‌لوله با تیوب‌های مسی و پوسته کربن استیل در چیلرهای آب‌خنک تراکمی

01JunJune 1, 2025

Acid Cleaning Process for Shell-and-Tube Condensers with Copper Tubes and Carbon Steel Shells in Water-Cooled Reciprocating Chillers

Introduction Shell-and-tube condensers play a critical role in heat exchange and refrigerant condensation in water-cooled reciprocating chillers. Typically, their tubes are made of copper and the shell is made of carbon steel. Over time, deposits, corrosion products, and sludge accumulate inside the tubes, reducing heat transfer efficiency. Acid cleaning is an effective method to remove these fouling materials and restore performance. This article outlines a complete and technical step-by-step procedure for acid cleaning such condensers. Materials and Equipment Required Suitable acid (commonly diluted...

By پیمان داوریArticles, Technichal Points, TrainingAcid Cleaning Process, Carbon Steel Shells, Copper Tubes, Shell-and-Tube Condenser, Water-Cooled Reciprocating Chillers

04FebFebruary 4, 2025

The Impact of Internal Grooves in Copper Tubes on Heat Transfer in Fin-Tube Coils

<p> Introduction Heat transfer plays a crucial role in thermal and cooling systems. Copper tubes used in fin-tube coils are highly favored due to copper's superior heat transfer properties. However, the design and physical characteristics of these tubes, particularly their internal grooves, can significantly affect their efficiency. Internal Grooves in Tubes Internal grooves in tubes can take the form of longitudinal or circular indentations. These grooves increase the contact surface area between the fluid and the tube wall, subsequently enhancing heat transfer. By...

By پیمان داوریArticles, Technichal Points, TrainingCopper Tubes, Fin-Tube Coils, heat transfer

27JanJanuary 27, 2025

Definition of Copper Pipe

1. Definition of Copper Pipe • Definition: A copper pipe is a type of pipe made from copper, which is used in industrial and domestic applications due to its physical and chemical properties. • Features: o High resistance to corrosion o Excellent heat transfer o Long durability o Flexibility for easy installation o Hygienic properties and reduction of bacterial growth in drinking water 2. Technical Specifications of Copper Pipes • Raw Materials: High-purity copper (99.9%). • Dimensions and Standards: o Outside diameter: 4 to 100 mm o Wall thickness: 0.5 to 5...

By پیمان داوریArticles, Technichal Points, TrainingCopper Tubes

08MayMay 8, 2024

Inner Grooved copper Tubes

Inner Grooved copper Tubes are utilized within HVAC, refrigeration, and thermal industries to enhance thermal conductivity. These pipes feature a rotary groove inner surface, augmenting heat transfer efficiency through increased effective surface area and inducing a vortex flow in the cooling fluid, ensuring uniform distribution within the tube's inner space. With a thermal conductivity coefficient 1.8 to 2 times higher than plain pipes, they significantly boost heat transfer efficiency. Primarily employed in refrigeration and heating industries, these pipes address the...

By پیمان داوریArticles, Technichal Points, TrainingCopper Tubes, Inner Grooved copper Tubes

02DecDecember 2, 2023

VARIOUS SHAPE OF COPPER TUBE

The shape of copper tubes in a heat exchanger can significantly impact its performance. Here are a few effects of various tube shapes: Inner Grooves: Tubes with inner grooves increase the surface area available for heat transfer. This design enhances the efficiency of heat exchange by promoting better contact between the fluid inside the tube and the tube wall. The increased surface area allows for more effective heat transfer, making the heat exchanger more efficient. Coiled Tubes: Coils provide flexibility and compactness,...

By پیمان داوریArticles, Technichal Points, TrainingCopper Tubes, Heat Exchanger

30NovNovember 30, 2023

The process of expanding copper tubes

Tube Expansion Tooling Precision: - Radiran Company employs precision tube expansion tools, meticulously selected to match the specific dimensions of tubes. This ensures uniform and accurate expansion during the manufacturing process. Fine-Tuning Expansion Parameters: - With a commitment to process excellence, Radiran Company excels in fine-tuning expansion parameters. This includes precise adjustment of pressures and depths to achieve optimal tube expansion for enhanced heat transfer efficiency. Mandrel Utilization for Uniform Expansion: - Radiran Company utilizes mandrels with precision to provide internal support...

By پیمان داوریArticles, Technichal Points, TrainingCopper Tubes, Expansion, Mandrel, Mechanical Expansion, Tube expanding