INDUSTRY COMPONENT

Core/Tube Bundle

Tube bundle is a core heat transfer component in shell-and-tube coolers, consisting of multiple tubes arranged in a bundle within a shell to facilitate efficient thermal exchange between fluids.

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Component Specifications

Definition
A tube bundle is the primary heat transfer assembly in shell-and-tube coolers, comprising an array of parallel tubes secured within tube sheets and often supported by baffles. It enables thermal energy transfer between two separate fluid streams—one flowing through the tubes (tube-side fluid) and the other around the tubes within the shell (shell-side fluid). The design optimizes surface area for heat exchange while maintaining structural integrity under operational pressures and temperatures.
Working Principle
The tube bundle operates on conductive and convective heat transfer principles. Heat flows from the warmer fluid through the tube walls to the cooler fluid. Tube-side fluid flows through the tubes, while shell-side fluid circulates around them, often directed by baffles to enhance turbulence and heat transfer efficiency. The large surface area of multiple tubes maximizes thermal exchange within a compact footprint.
Materials
Tubes: Typically copper alloys (e.g., Admiralty brass, cupronickel), stainless steel (304, 316), carbon steel, or titanium for corrosion resistance. Tube sheets: Carbon steel or stainless steel, often clad with corrosion-resistant materials. Baffles: Carbon steel or stainless steel. Supports and ties: Stainless steel rods.
Technical Parameters
  • Tube OD 12.7 mm to 50.8 mm
  • Tube Pitch 1.25 to 1.5 times tube OD
  • Tube Layout Triangular or square
  • Tube Length 1.5 m to 6 m
  • Design Pressure Up to 100 bar
  • Number of Tubes 50 to 1000+
  • Design Temperature -20°C to 400°C
Standards
ISO 16812, ASME BPVC Section VIII, TEMA Standards

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Core/Tube Bundle.

tube bundle heat exchanger shell and tube cooler industrial cooler components heat transfer tube sheet baffle thermal efficiency Core/Tube Bundle Core/Tube Bundle in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Cooler

A heat exchanger component within a lubrication system that removes excess heat from lubricating oil to maintain optimal operating temperatures.

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Engineering Analysis

Risks & Mitigation
  • Tube fouling reduces efficiency
  • Corrosion leading to leaks
  • Tube vibration causing fatigue failure
  • Thermal stress cracking
FMEA Triads
Trigger: Poor water treatment leading to scaling
Failure: Reduced heat transfer efficiency and increased pressure drop
Mitigation: Implement regular chemical treatment and monitoring; schedule mechanical cleaning
Trigger: Erosion-corrosion from high-velocity fluids
Failure: Tube wall thinning and eventual leakage
Mitigation: Use erosion-resistant materials; design for appropriate fluid velocities; install protective sleeves at inlets
Trigger: Inadequate support allowing flow-induced vibration
Failure: Tube fatigue failure at baffle contact points
Mitigation: Optimize baffle spacing and design; use anti-vibration bars; ensure proper tube-to-baffle clearance

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Tube OD tolerance ±0.1 mm; tube length tolerance ±1.5 mm per 3 m; tube sheet flatness within 0.5 mm
Test Method
Hydrostatic pressure test at 1.5x design pressure; leak testing with helium or air under water; dimensional inspection per TEMA standards

Buyer Feedback

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Frequently Asked Questions

What is the purpose of baffles in a tube bundle?

Baffles direct shell-side fluid flow across the tubes, increasing turbulence and heat transfer efficiency while supporting tubes to prevent vibration.

How do you clean a tube bundle?

Cleaning methods include mechanical rodding, high-pressure water jetting, chemical cleaning, and brush systems, depending on fouling type and tube material.

What materials are best for corrosive environments?

Stainless steel (316), titanium, or cupronickel tubes are preferred for high corrosion resistance in aggressive chemical or marine applications.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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