EVAPORATION HEAT TRANSFER PERFORMANCE OF NOZZLE-SPRAYED AMMONIA ON A HORIZONTAL TUBE

• DOI: 10.1615/ichmt.2000.thersieprocvol2thersieprocvol1.420
• Publication Date: 2011-03-28T17:45:31Z
• Authors: X. Zeng; M.-C. Chyu; Dr. Zahid H. Ayub
• Keywords: Saturation (graph theory); Spray characteristics; Boiling point

Spray evaporation experiment was conducted using commercial nozzles distributing liquid ammonia on a horizontal plain stainless-steel tube of 1.9 cm diameter. The average local spray flow rate measured, and varied from 0.0138 to 0.0777 kg/(s-m). saturation temperature tested −23.3 10 °C, heat flux 8 60 kW/m2. effects flux, temperature, rate, nozzle height were investigated. Both standard-angle wide-angle tested. results are compared with pool boiling data obtained in the present published results.