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R & D TEST FACILITIES

Dolphin’s New state of the art Research and Development facility is equipped and designed to establish the fundamental thermodynamic characteristics of any heat exchanger and to assess product performance under a wide range of operating conditions. Dolphin’s State of the art Wind Tunnel can be utilized as a tool to validate the thermal design including pressure drop, heat dissipation, heat absorption and thermal characteristics of any material. It is also used to identify quality related problems from manufacturing operations and the critical points in any heat exchanger.The new facility is being used for product validation and performance verification of their engineering designs and products as well as prototypes. This new facility includes a state of the art Wind Tunnel, 3 Dimensional Vibration Test Rig with 8 individual probes for SWAAT and Thermal Shock tests. All test equipment’s are procured from world renowned suppliers.The wind tunnel is able to conduct thermal performance characteristic tests for automotive, mining, marine, construction, locomotive, HVAC and industrial cooling system products. The Wind tunnel provides accurate readings measured by a digital device and controlled by their Lab view software. The special advantage of this climatic control wind tunnel rig is that it can maintain heat balance within 5%.

The new wind tunnel was designed to Dolphin’s specifications and manufactured by M/S Thermodyne Engineering Ltd, Canada and uses a powerful 7HP blower fan. It consists of air heater, steam generator and chiller to vary air temperature from 68 ° F and humidity from 50 %. Its air velocity is controlled by ASME elliptical nozzle from 0.1 m/sec

These tests can be carried out for following the products

  • Radiator
  • Oil Cooler
  • Condenser
  • Charge Air Cooler
  • Chilled Water Coil

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Technical parameters of the equipment:

Test size of the product 

: 915H x 600 W 

Coolant flow rate ranges

:  50 to 350 lpm

Air velocity ranges 

: 3 to 18 m/sec

Coolant temperature ranges

: 17°C to 120 °C

Coolant types 

: Water , ethylene glycol  , Refrigerant, and oil

Ambient  ranges

: 68° F to 122 ° F

Working medium pressure 

:  50  to 250 Kpa

Precision range

: ± 0.1 °C  temperature , ± 0.1 m/sec air velocity,

 ± 1 lpm coolant flow rate, ±1 mm of H2O pressure drop

Dolphin’s High Frequency Vibration Test Rig is used for conducting strain, fatigue and stress analysis test of heat exchangers to evaluate its structural performance, possible potential failure mode and structural rigidity of heat exchangers which are used in automotive, mining, construction, locomotive and industrial applications. Vibration and shaker tests are used to qualify products during the design process to meet standards, regulatory qualifications. Fatigue testing is used for screening products and evaluating the performance.

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Technical parameters of vibration tester:

Maximum acceleration 

: 100 g ( 980 m/s²)

Frequency range

: 5 to 2500 Hz

Maximum displacement

: 51 mm (p-p)

Maximum velocity

: 2.0 m/s

Rated pay load

: 500 kg

The size of the table

: 1200 x 1200 mm

Rated force(Sine wave)

: 39.2kN

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SWAAT test is used to find the corrosion resistance of materials & surface coatings.

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Technical parameters of the SWAAT tester:

Standard

:
ASTM G85 Annex 3 (A3)

Ambient range

:
Adjustable to 50°C ,Max 85% RH

Air pressure

:
Adjustable to 20 psi

Technical parameters of the Thermal shock/pulsation Tester:

Temperature ranges

: 17°C to 120°C

Pressure range

: 50 to 200 Kpa

Cycles range

: 20 to 30 cycles/min

Fluid used

:
Water, air and Ethylene glycol

Dolphin Group specializes in design and manufacturing of the best, high performance Industrial and Automotive thermal products since its establishment in 1986. With Corporate Office in Ajman,United Arab Emirates (UAE), the Group has established several branches in Sharjah, Dubai, Ras Al Khaimah and Fujairah. Today the Dolphin Group has become leaders in Heat Transfer Industry in the Middle East.

CORPORATE OFFICE

  • New Industrial Area, P.O Box 20678,
    Ajman U.A.E
  • +971 – 6 – 7032999
  • +971 – 6 – 7032929
  • marketing@dolcool.ae

CONTACT US

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