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TH551 · Tube-in-Tube Exchanger

Tube-in-Tube Heat Exchanger Module for TH550

Experiments
  • Energy balance on both streams - heat duty from mass flow rate and temperature rise, hot side against cold side
  • Co-current and counter-current operation, obtained by swapping the two cold-side couplings, and comparison of the resulting temperature profiles
  • Determination of the overall heat transfer coefficient from the measured duty, the logarithmic mean temperature difference and the known transfer area
  • Dependence of the overall heat transfer coefficient on flow rate - the film coefficient as a function of Reynolds number
  • Effectiveness–NTU analysis and effectiveness as a function of the ratio of the two flow rates
  • Quantification of the heat lost to the surroundings from the closure error between the two energy balances
TH551
Description
    The tubular heat exchanger is the simplest form a recuperator can take: one tube run inside another. The hot medium flows through the inner stainless tube, the cold medium through the annulus between that tube and the outer tube. The two streams never mix - all the heat crosses the wall of the inner tube, and that wall is the entire transfer surface. Because there is only one flow channel per side, the flow pattern is unambiguous: the streams are either strictly parallel or strictly opposed, with nothing in between, which makes this the right module to start from. The tube pair is laid out as two straight runs side by side on the plate, joined at one end by stainless U-bends - one from inner tube to inner tube, one from annulus to annulus - so all four connections sit together at the other end. The outer tube is clear, so the inner tube - and any air trapped in the annulus during filling - stays visible along both runs.
Top view of the TH551 tube-in-tube heat exchanger module
Quick-release couplings
hot on the ends, cold on the branches
Base plate
355 × 255 mm
Brass tees
annulus in and out
Coaxial tube pair
stainless inside clear
Cold U-bend
annulus to annulus
Hot U-bend
inner tube to inner tube
Top view of the TH551 tube-in-tube heat exchanger module
Top view of the TH551 tube-in-tube heat exchanger module
Quick-release couplings
hot on the ends, cold on the branches
Base plate
355 × 255 mm
Brass tees
annulus in and out
Coaxial tube pair
stainless inside clear
Cold U-bend
annulus to annulus
Hot U-bend
inner tube to inner tube
Top view of the TH551 tube-in-tube heat exchanger module
Specifications
    Base unit Sangari TH550
    Inner tube (hot side) ø10 × ø8 mm stainless steel
    Outer tube (cold side) ø20 × ø16 mm transparent plastic
    Annulus gap 3 mm radial
    Transfer length ≈ 352 mm, two straight runs of 176 mm
    Heat transfer area 0.011 m² (111 cm²)
    Flow arrangement co-current or counter-current, by swapping the cold-side couplings
    Temperature range 0…70 °C
    Maximum pressure 6 bar
    Couplings 4 × DN 6 quick-release
    Dimension 355 × 255 × 87 mm
Water Supply
L 355 W 255 H 87 mm
3 kg

Part of package

Mastering Heat Exchangers Lab

TH550 TH551
TH552 TH553

Explore the world of heat exchangers with this comprehensive set of experimental setups covering various types of heat exchangers, including shell-and-tube, plate, and compact designs, along with performance analysis and optimization techniques.

View package details Request a quote for the full lab