Performance Evaluation of a Small-Scale Turbojet Engine Running on Palm Oil Biodiesel Blends

Table 1

Manufacturer and original equipment specifications.

Model and type	JFS100-13A
Compressor	Air inlet in front of unit
	Single stage radial outflow
Air mass flow	0.726 kg/s at 72500 rpm
Compression ratio	3.5 : 1
Combustor	Annular fuel manifold assembly
	Five simplex fuel nozzles
Turbine	1-stage axial flow turbine
	Maximum temperature 1000°C
Width and height	302.26 mm and 304.80 mm
Length	558.80 mm
Weight	37.195 kg dry
	38.102 kg with lubricant
Fuel	K-1 kerosene or Jet-A
Power rating	67.11 kW at 60400 rpm
Maximum thrust	300 to 400 N optimal
CM4 optimal shaft speed	70000 rpm
CM4 exhaust gas temperature	Maximum 800°C