Sizes vary between 200 and 1200 mm, while the spacings between the transfer plates vary between 2,0 and 13,5 mm. This will also improve the already high tightness of the exchanger and limit leakage to a minimum. All units are produced at our global production facilities with our proprietary production equipment according to the same standardized processes, ensuring uniform product quality and favorable lead times worldwide. Our special sealant has an adhesive effect that blocks off all possible nooks, niches or gaps that could be colonised by bacteria.Consequently all condensate flows out of the exchanger, leaving no residue whatsoever. This can be seen by comparing the graphs in Figure 3, Figure 4, and Figure 5. Model P’s performance is certified according to Eurovent and TüvSüd. Combined as modules, there is practically no limit.Suitable for air temperatures up to 300°C, important in the textile and film industries, detergent and PVC production and sewage-sludge drying. Probably everyone wondering: “How does a crossflow heat exchanger work?”. ME 3264 Lab 3: Cross-Flow Heat Exchanger 1 ME 3264: Lab 3 Department of Mechanical Engineering, University of Connecticut Cross-Flow Heat Exchanger Professor Wilson K. S. Chiu Spring 2017 Objectives The objectives of this experiment are: (a) Understand and practice basic heat exchanger analysis methods. Model P is a heavy duty, cross flow plate heat exchanger, specially designed for applications where high differential pressures occur. Our products are field tested and have proven to deliver a fast ROI. We hold several certifications for product and operation quality worldwide, including Eurovent, AHRI, EAC, RLT-Hygiene and ISO 9001. Tweet 0. Therefore the log mean temperature for a counter flow heat exchanger is larger than the log mean temperature for a similar parallel or cross flow heat exchanger. For improved corrosion protection in demanding applications such as in coastal environments, all Heatex aluminum heat exchangers are available with epoxy coated plates. With a finned tubular heat exchanger, both fluids are unmixed, the one between the fins is guided in a direction transverse to the tube flow direction.In the unfinned exchanger heat can be exchanged in all directions, and the fluid can mix. All rights reserved. (b) Measure the hot and cold fluid temperatures and mass flow rates. The two most common types of plate air to air heat exchangers are cross flow and counter flow heat exchangers. The air channels are arranged so that the airflows cross over one another. We offer a wide range of options to suit various application and performance requirements. The cross-flow plate heat exchangers (PWT) from Klingenburg are dimensionally stable and exceptionally impermeable and tough. With a global team of sales and technical support, Heatex responds quickly to inquires. (See the Thermodynamics, Heat Transfer, and Fluid Flow Fundamentals for a review of log mean temperature). Suitable for close/open bypass exchanger section in connection with a cross-flow plate heat exchanger. In a cross flow heat exchanger the cold and the warm air flow perpendicular to each other. Based on the same well-proven plate design as Model H, Model P’s efficiency is similar but offers a higher differential pressure resistance due to its extra strong aluminum plates. Very high differential pressure resistance, A single pass exchanger can provide a sensible efficiency of 65 – 70%. Maximum impermeability is thus called for – and our plate heat exchangers deliver.Larger models with edge lengths of 500 mm or more and potentially exposed to particularly high pressures are double-folded at the inflow edges, which gives them exceptional sealing.The double fold gives the edges five times the strength of the construction material, lending the plate exchanger outstanding stability, however high the air pressure. Both sensible and latent heat may be transferred. Custom made accessories like bypass and dampers are available for all our cross-flow heat exchangers. Cross Flow Heat Exchanger Calculation. Model P is our most robust aluminum cross flow plate heat exchanger. Keywords: Heat Exchangers, Cross Flow INTRODUCTION The cross flow exchanger is probably the dominant heat exchanger type in overall usage. This tower is used to produce washing powders. Particularly in industrial applications such as process air systems, cross-flow plate heat exchangers must often withstand extreme temperatures. .contact, .contact-us{background-color: #7cc9da;}. All Heatex cross flow plate heat exchangers meet several hygiene requirements. We are always here to help you! In a counter flow exchangers, the two airstreams flow in opposite direction to one another. Efficiencies up to 65% for single units and up to 85% for two-step arrangements are typical. Model P is a heavy duty, cross flow plate heat exchanger, specially designed for applications where high differential pressures occur. 0.1% of nominal airflow for size > 425 mm (16.73″ WC), 1% of nominal airflow for sizes < 425 mm (16.73″ WC), 1% of nominal airflow for all models with silicone sealant. Latent heat when moisture in the outlet air condensates on the recuperator. Klingenburg plate exchangers also feature a uniquely hygienic design. Get in touch! Airflows at temperatures of up to 300°C are no problem for our stainless steel models.We offer various module variations to meet your requirements, together with installation-ready housings. Share 0. For ultimate corrosion protection, we recommend Closed Plate Cutting Edges which means that lacquer is run along the joints of the plates, covering the cutting edges found on epoxy coated plates. In a crossflow heat exchanger heat is transferred directly from the outlet air to the make up air through the separating walls of the heat exchanger. Well-proven plate design creates turbulence even at lower velocities which, combined with high channel heights, results in a low-pressure drop and a total increase in efficiency. In a crossflow heat exchanger heat is transferred directly from the outlet air to the make up air through the separating walls of the heat exchanger. Rotors for Heating,Ventilation and AirConditioning Systems (HVAC), DEC - Drying and CoolingWithout Refrigeration, Adiabatic Cooling:'Cooling Without Electricity'. The two main types are finned and unfinned tubular. Their modular construction means that we can deliver any desired edge dimension and package length. Particularly in industrial applications such as process air systems, cross-flow plate heat exchangers must often withstand extreme temperatures. If you continue to use this site we will assume that you are happy with it. Model P is a heavy duty, cross flow plate heat exchanger, specially designed for applications where high differential pressures occur. Two сrossflow exchanger packages can be interconnected in cross-сounterflow to boost efficiency. We guarantee that there will be … For the highest corrosion protection, we recommend to add both Painted Framework and Closed Plate Cutting Edges. Available in aluminium, epoxy-coated aluminium or stainless steel as required.Ideal for use in industry, in ventilation and extraction systems, for adiabatic cooling and for cooling electrical cabinets.Our cross-flow exchangers are available as individual units with edge lengths from just 200 to 1200 millimetres. Our products always comply with standards, perform according to (or even exceed) codes and specifications, and always live up to the highest technical standards. Join our newsletter to stay up to date on features, releases and more. Heatex air-to-air heat exchangers are designed to comply with all national and local building codes. Share 0. Efficiencies up to 65% for single units and up to 85% for two-step arrangements are typical.