Effect of a Pipe Number on The Heat Transfer Rate for a Granite Stone Absorber Solar Collector
Abstract: As the fossil energy
has been getting depletion, it is important to utilize alternative energies
such as solar energy. An equipment
that can be
used for capturing
and converting solar
energy is solar
collector. Two identical collectors
used in this
study were placed
facing to the
North with an
inclination angle of
15°. The collector dimension was
0.8 m x 1 m x 0.05 m. One collector contained 5 parallel pipes and the other
contained 7 parallel pipes. The water
used in the test was flowed naturally due to the gravity force from a higher
tank and was adjusted using a valve fitted at the end of the collector.
The water flow rates employed were 200,
250 and 300 cc/minutes and
measured using a
volume meter and
a stop watch.
The results showed
that the energy coming
into the collector,
energy absorbed by
the absorber and
water, increased with
an increase in the
observation time and reached the peak value at about 2.30 pm. After that, they decreased. The
effect of the pipe number is insignificant.
Author: M. Mirmanto, M.
Wirawan, B.H. Saputra
Journal Code: jptmesingg160001
