1. Stability analysis estimated speed system of sensorless control for induction motor drive
Nuttapong Muangchan, Vijit Kinnares

2. Potential of hot water production in hospital by solar-boosted heat pump using polypropylene solar collector
Peerupan Khadsongkhram, Poon Thiengburanathum

3. Air vehicle is lifting surface preliminary structural design and optimization
Jiravud Klongtrujrok, Otsin Nilubol, Rapee Ujjin

4. Simulation of cassava chip drying using convective hot-air
Tossaporn Wimuktacom, Aree Achariyaviriya

5. Study of the domestic runway airport design in nakhon sawan province
Chavalek Vanichavetin, Thamma Jairtalawanich

6. Performance enhancement of a split-type air-conditioner by pre-cooling condenser unit with evaporator condensate
Worrasid Trutassanawin, Rung Kittipichai

7. Appraisal of appropriate combustion air in a pulverized coal-fired boiler
Piriya Thongchiew, Tanongkiat Kiatsiriroat