The discharge from the emitting MT was designed such that
the sum of head loss from different section is equal to available
head of 3.0 m. The discharge, Q was optimized using the
Darcy–Weisbach and orifice formula for emitter discharge such
that the flow in all the section remains laminar. Discharge characteristics
for different combination of connecting and emitting
micro-tube were determined. The combination include (1) 2mm
connecting micro-tube and 1mm emitting micro-tube; (2) 2mm
connecting micro-tube and 2mm emitting micro-tube and (3)
1mm connecting micro-tube and 1mm emitting micro-tube. The
length of different micro-tubes (connecting as well as emitting)
kept as 50cm since 50cm×50cm crop spacing are widely adopted
for different vegetable cultivation. The optimal emitter discharge
from this combination is presented in Table 4. The schematic
arrangement of the micro-tubes as emitting devices is shown in
Fig. 3. Fig. 4 presented the pictorial view of such arrangement.