Intellectual Repository at Rajamangala University of Technology Phra Nakhon: Recent submissions
Now showing items 601-620 of 3612
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Development of tuna thawing technique using electrostatic technology from high voltage electricity
(2020-12-12)Frozen fish thawing method using an Electrostatic Technology from a High Voltage Electricity (ETHVE) is one of an alternative method. Due to this method, the material has a uniform temperature and also increase the ... -
Increasing steam boiler efficiency from stack inside heat recovery by heat exchanger economizer technology and maintenance
(2020-12-12)The objectives of this study is to increase efficiency of steam boiler 2.5 ton per hour which used liquid petroleum gas LPG as fuel. bringing heat recovery inside boiler chimney stack to preheat feed water with technology ... -
Improvement of the taxation process using quality function deployment: A case study Khunkaew subdistrict municipality Nakhon chai si Nakhonpathom
(2020-12-12)The objective of this research improve the taxation process service KhunKaew Subdistrict Municipality Office. Quality Function Deployment: QFD is found that the standard of period operating time should be resolved by ... -
Analytical studies greenhouse gas emissions and reduction approaches carbon footprint using digital case study at a resort in Koh samui, Surat thani province.
(2020-12-12)This is an independent study on greenhouse gas emissions and ways to reduce them. A five-star resort in Koh Samui, Surat Thani province, has been used as a case study. The study used digital tools to gather information ... -
Development of waste ash composite materials from industrial and agricultural as construction materials
(2019-09-18)จากการทดลองวิจัยพบว่าองค์ประกอบทางเคมีของเถ้าแกลบมีซิลิกอน ออกไซด์ (SiO2), แคลเซียม ออกไซด์ (CaO), โพแทสเซียม ออกไซด์ (K2O) เป็น 94.00%, 2.00%, 2.80% ตามลำดับและพบสารประกอบ Silicon Oxide (SiO2) : Cristobalite เถ้าแกลบมีผ ... -
Development of wear resistance microstructure of hardmetals by sintering process
(2019-09-18)This study developed the cemented tungsten carbide by steadily sintering at 1430 °C for one hour. The tungsten carbide structure is a long shape. Its grain size has a difference between width and length, and there are high ... -
Development of nano-tools product by tungsten carbide powder nanosized in Thailand
(2019-09-18)The tungsten carbide powder which recycled from the scarps of cemented tungsten carbide, produces the purity of 99%. Using this tungsten carbide powder to manufacture a cutting tool and test its properties are the main ... -
Study and development of paddy drying system with pneumatic and screw
(2019-09-18)Moisture content has a marked influence on all aspects of paddy and rice quality. These issues also have significantly importance for rice industry and economy of Thailand. Many drying process such as spouted bed technique ... -
Development of pararubber tapping knife prototypes
(2019-09-18)This objective of this research is to study the development of the pararubber tapping knife in order to determine the optimum of the edge and oblique angle and to compare the efficiency of the electrical motor and Je-Bong ... -
The effect of safety system in construction which result on productivity rate a case study: wall tile external building
(2019-09-18)The purpose of this research is to study the effect of a safety system provided for wall tile external building activity on productivity. The safety system composed of (1) stable scaffolding system, (2) providing clean and ... -
Study to be possible stretch blow mold type two stage form bottle water drink polypropylen NO 6024
(2019-09-18)Bottle of poly propylene (Polypropylene: PP) to replace conventional non-conventional polycarbonate bottles. (Polycarbonate) are used as bottles and water bottles, toys, household goods, which are BPA-contaminated and poly ... -
Influence of mechanical properties of synthetic polymers fiber on pozzolan materials concrete beam
(2019-09-18)This research aims to study the possibility of steel fibers, plastic fiber (polypropylene), fly ash and metakaolin mixed into the concrete. The concrete used in the research of the w / c 0.42 By 0.5 percent in the volume ... -
Influence of pozzolanic materials by ternary blend systems on strength and chloride resistance of concrete
(2019-09-18)This objective research to study the possibility of used pozzolan material in the ternary blend by fly ash, metakaolin and silica powder by replacement cement partially on the strength and resistance to chloride migration. ... -
A study of center of mass and brake proportional referred to vehicle handling performance The variation of brake proportional effected to vehicle handling performance
(2019-09-18)The aim of this research is to study the brake proportional affected to vehicle stability. Braking performance and vehicle stability testing are the main of research purposes. Otherwise, learning research center and new ... -
A study of center of mass and brake proportional referred to vehicle handling performance a study of the position of center on vehicle handling
(2019-09-18)The aim of this research is to study the varieties of weight density distribution affect to the center of mass and vehicle stability. The weight density distribution tester was designed and changed the position of mass. ... -
A study of center of mass and brake proportional referred to vehicle handling performance centre of mass testing machine for vehicles
(2019-09-18)The aim of this research is to create the center of mass testing machine for vehicles with maximum mass 3,000 kilograms. By the performance of this machine is able to determine the center of mass 3 axis by horizontal, ... -
Impact strength of meta kaolin and fly ash concrete
(2019-09-18)This research to study the possibility of material pozzolan as binder by replacment cement by fly ash (FA) and meta kaolin (MK), some for testing compressive strength, flexural strength and impact strength of concrete vary ... -
Development of hot mixes of asphaltic concrete with natural rubber
(2019-09-18)This paper present the engineering properties of asphalt (AC 60/70) modified with different ratios of natural rubber. Then select the best properties of the binder to mix asphaltic concrete. From laboratory testing results, ... -
Development of hot mixes of asphaltic concrete with recycled rubber
(2019-09-18)This paper present the engineering properties of asphalt (AC 60/70) modified with different ratios of crumb rubber. Then select the best properties of the binder to mix asphaltic concrete. From laboratory testing results, ... -
Power system grounding for mitigation of voltage sag originated from single ling to ground fault
(2019-09-18)The faults in a power distribution system do not only impact to power outage directly. They also cause voltage sag problem spread over the system. A single-line to ground fault is about 70% of the overhead system faults. ...