DROPWISE / FILMWISE CONDENSATION APPARATUS

DROPWISE / FILMWISE CONDENSATION APPARATUS

Make: HANSA
Model No: HT-012
Origin: India
Condensation is a phase change heat transfer process occurring in many industrial applications, such as in steam power plants, refrigeration plants etc. Thus this is one of the important heat transfer process as present in mechanical and chemical engineering applications.

Description

Condensation is a phase change heat transfer process occurring in many industrial applications, such as in steam power plants, refrigeration plants etc. Thus this is one of the important heat transfer process as present in mechanical and chemical engineering applications. The condensation of vapour on a surface is of two types: 1. Drop wise Condensation, 2. Film wise Condensation. This setup is designed for determining heat transfer co-efficient of two types of condensation and for visualization of these processes. It consists of a vertical frame. Condensation tubes are fitted inside compact glass cylinder. Steam generator is fitted at the backside of the cylinder. Steam comes directly from generator to the cylinder. Two valves are fitted to control flow rate of water in individual tubes. Digital Temperature Indicator monitors the temperatures. Pressure gauge and Rota meter can observe steam pressure and cold water flow rates respectively. A Digital temperature
Controller is provided for controlling the temperature of Steam. Water level indicator is provided in steam generator. Condensate is measured by a measuring cylinder.

TECHNICAL DETAILS:

  • Steam Generator: 8 Ltrs. (Approx.) made of Stainless steel with 1.5 kW heater. Insulated with ceramic wool and cladded by aluminium foil.
  • Pressure Gauge: Bourdon type
  • Copper tubes (2 Nos.): one with natural finish and other nickel polished.
  • Diameter : 19 mm (Approx.) Length : 170 mm (Approx.)
  • Water Flow measurement: Rota meter
  • Condensate Measurement : Measuring Cylinder & Stopwatch
  • Control valves: one each for Steam, Cooling water & Drain.

Control panel comprising of:

  • Digital Temp. Controller : 0- 199.90 C (For Steam Generator)
  • Digital Temp. Indicator: 0-199.90C, with multi-channel switch.
  • Temperature Sensors: RTD PT-100 type
  • With Standard make On/Off switch, Mains Indicator etc. Instruction Manual: An ENGLISH instruction manual will be provided along with the Apparatus The whole set-up is well designed and arranged on a Powder Coated structure

EXPERIMENTATION:

  • To study the Film wise & Drop wise condensation of steam on a vertical surface
  • Visualization of condensation process in drop wise as well as film wise condition.

SERVICE REQUIRED:

  • Water supply 5 lit/min (approx.)
  • Electricity Supply: 1 Phase, 220 V AC, 1.5 kW.
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