Engineering Case Studies

Application requirements, product choices and engineering project stories from LONGWELL.

Axial fan with a circular wire guard and metal blades
By longwell / October 15, 2025 / Engineering Case Studies

LWAE3G800TS-4PKW-04 EC Axial Fan for Heat Pump Design

Review the LWAE3G800TS-4PKW-04 EC axial fan specification for heat pum...

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Centrifugal fan mounted on a rectangular support frame
By longwell / August 12, 2025 / Engineering Case Studies

EC Centrifugal Fans for Airport Air Handling Systems

Define airport AHU fan duty points, filter and coil losses, control se...

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Forward-curved centrifugal blower in a scroll housing
By longwell / August 2, 2025 / Engineering Case Studies

Grain Storage Aeration: Selecting Fans for System Resistance

Specify grain aeration airflow and pressure together, with grain condi...

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Illustration of a square industrial axial exhaust fan with a metal impeller and protective guard
By longwell / August 1, 2025 / Engineering Case Studies

Greenhouse Air Circulation: Fan Layout and Control Requirements

Plan greenhouse circulation and ventilation fans around airflow paths,...

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Backward-curved centrifugal fan with a metal impeller
By longwell / July 31, 2025 / Engineering Case Studies

EC Centrifugal Fan Integration for Livestock Ventilation

Define livestock ventilation fan duty points, enclosure resistance, co...

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AC cross-flow fan assembly with a metal tangential impeller and end-mounted motor
By longwell / July 21, 2025 / Engineering Case Studies

Cross Flow Fans for OEM HVAC Equipment: Integration Requirements

Prepare a cross flow fan enquiry around heat-exchanger geometry, airfl...

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Axial fan with a circular wire guard and metal blades
By longwell / July 16, 2025 / Engineering Case Studies

EC Axial Fans for Industrial Equipment Cooling

Specify an EC axial cooling fan with the equipment airflow path, press...

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Backward-curved centrifugal fan with a metal impeller
By longwell / July 11, 2025 / Engineering Case Studies

Centrifugal Fan Replacement: Specifications to Match

Prepare a centrifugal fan replacement request with duty point, supply,...

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Cross-flow fan assembly with a metal tangential impeller and end-mounted motor
By longwell / July 10, 2025 / Engineering Case Studies

Cross Flow Fan Integration for Agricultural Equipment

Define cross flow fan requirements for agricultural equipment using th...

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Axial fan with a circular wire guard and metal blades
By longwell / July 7, 2025 / Engineering Case Studies

Axial Fan Selection for Electrical Equipment Cooling

Select electrical equipment cooling fans using the thermal requirement...

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