Study of Temperature and thickness of wrapped cloth of hydrocullator pack during 20 minutes

Abstract

          Objective: To compare the temperatures of a hydrocollator pack wrapped in a 4 cm. and a 2 cm. thickness of fabric over time.

          Method: This research was conducted in a room with a controlled temperature in the range 22 to 25 °C. Put the hydrocollator pack that was placed inside a hydrocollator heating units, a thermostatically controlled water bath, at temperatures up to 80 °C, for over one hour. The hydrocollator pack was prepared by wrapping a 100% cotton towel (27 X 54 inches in size) folded in half, enclosed with a 4 cm. and 2 cm. string to a digital thermometer then placed in the center of a pillow. Finally, the Hydrocollator pack was covered with sheets (thickness 4 cm. and 2 cm.) The temperature was recorded every minute up until the 20^th minute. The data were analyzed using the statistical program SPSS version PASW statistics 18 by student T - test pairs for comparing the temperatures of the hydrocollator pack wrapped in different  fabric thicknesses.

          Results: The hydrocollator pack, wrapped in fabric with a thickness of 4 cm. was heated in the hydrocollator at an average temperature of 76.71 ± 0.90°C for 1 to 20 minutes, had average temperatures of 22.86 ± 0.63°C to 39.64 ± 2.47°C. The average temperature was 31.24 ± 5.80°C. While the Hydrocollator pack  wrapped with a fabric thickness of 2 cm. heated in a hydrocollator with an average temperature of 77.30 ± 0.44°C for 1 to 20 minutes at a temperature in the range of 23.92 ± 1.18°C to 48.69 ±1.64°C had an average temperature of 41.45 ± 7.88°C, and continuously increasing temperature . Significantly, during the 3^rd to 15^th minute at a temperature of 30.25 ± 3.02°C to 47.80± 2.27°C, it was found that the hydrocollator pack had different levels, with statistical significance  (p-value<0.01).

          The results of the study show that the thickness of fabric (2 cm. and 4 cm.) used to wrap the hydrocollator pack affected the temperature change of the  hydrocollator pack significantly.