Cooling suit with two-phase flow heat-exchange system

Abstract

Cooling suit with two-phase flow heat-exchange system is a state-of-the-art heat sink, designed for thermal dissipation in fire fighter, racing driver and worker who needs to wear Personal Protective Equipment (PPE). The liquid cooling system with gas injection can enhance heat transfer performance and continuously maintain the temperature at 18-20 degree Celsius.

Objective

นักดับเพลิง นักแข่งรถ บุคคลที่ต้องสวมใส่ชุด PPE ในการทำงาน เป็นอาชีพที่มีความเสี่ยงที่จะเสียชีวิตจากโรคลมแดด (heat stroke) ดังนั้นจึงมีแนวคิดในการใช้องค์ความรู้ทางวิศวกรรมเครื่องกลมาออกแบบและสร้างนวัตกรรมใหม่ สำหรับกลุ่มบุคคลที่มีความเสี่ยงจากโรคลมแดด

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The development of precision automation system for Siamese fighting fish (Betta splendens)

Siamese fighting fish (Betta splendens) is an ornamental fish that is the first exported economically valuable fish in the country, but there is a limitation to increase the production of betta fish due to climate variability and the shortage of Thai workers. This research aims to develop 2 systems: a betta fish fry nursery system and a market-sized betta fish rearing system by using automated technology to precisely control the water quality in the system and reduce labor costs. Using precise automation consists of two systems: a minimal-waste system, which repurposes some of the waste generated from farming, and a zero-waste system, which treats and recycles all wastewater from farming. These systems aim to address issues related to water quality, animal welfare, and labor requirements in Betta fish farming. Experimental results show that these systems improve Betta fish survival rates by 10-15% compared to traditional methods. When considering net returns, the zero- waste system provides the highest profitability.