An experimental study on the design method of a real-sized Mobile Bridge for a moving vehicle

2014 ◽  
Author(s):  
Y. Chikahiro ◽  
I. Ario ◽  
M. Nakazawa ◽  
S. Ono ◽  
J. Holnicki-Szulc ◽  
...  
Keyword(s):  
Experimental Study ◽  
Design Method ◽  
Moving Vehicle

Experimental Study on Quadruped Wheel Robot for Wheat Precision Seeding

2016 ◽  
Vol 693 ◽  
pp. 1651-1657 ◽  
Author(s):  
Hai Bo Lin ◽  
Chui Jie Yi ◽  
Zun Min Liu
Keyword(s):  
Experimental Study ◽  
Field Test ◽  
Design Method ◽  
Operating Conditions ◽  
High Yield ◽  
Orthogonal Rotation ◽  
Agricultural Machine ◽  
Main Factors ◽  
Multiple Effort

The wheat precision seeding technology provided an advanced agricultural protection for the high yield of wheat. But the lack of an effective agricultural machine made this technology difficult to apply widely. In this paper a quadruped wheel robot to achieve the wheat precision seeding technology was designed. And experimental study was taken under different operating conditions. Because of multiple effort factors, a quadratic orthogonal rotation combination design method was applied in the experiments, and identifying the main factors by analysis. Then the field test was carried out according to the main factors. The experiment results showed that the qualified rates of seeding exceed 93% in different sowing speed. That reached the agronomic requirements of wheat precision seeding.

scholarly journals METODE MENGAJAR DAN MOTIVASI TERHADAP HASIL BELAJAR KETERAMPILAN SERVIS FLATTENIS LAPANGAN(STUDI EKSPERIMEN PADA MAHASISWA FIK UNM MAKASSAR)

2020 ◽  
Vol 12 (1) ◽  
pp. 21
Author(s):  
Hasbunallah AS ◽  
Ahmad Rum Bismar
Keyword(s):  
Experimental Study ◽  
Learning Outcomes ◽  
Teaching Methods ◽  
Design Method ◽  
Learning Motivation ◽  
High Learning ◽  
Significance Level ◽  
Analysis Technique ◽  
Lower Effect ◽  
Academic Year

The aim of this experimental study was todetermine the effect of all teaching methods, part, mixed and motivation result learning toward of flat service skill courts tennis. Learning motivation is divided into two parts, namely high andlow.This research was conducted at Faculty of Sport ScienceState University of Macassar,the academic year 2014/2015. Experimental using factorial design method 2x3. The sample consisted of 60 students were divided into 6 groups, each consisting of 10 students. Data analysis technique is a two-way analysis of variance (ANOVA) followed by Tukey's test at a significance level of α= 0.05. The results of this study indicate that ( (1) overall teaching methods higher effect of the part teacing methods on learning outcomes flat tennis service skills (2) overall teaching methods lower effect of the part teacing methods on learning outcomes flat tennis service skills, (3) overall teaching methods lower effect of the part teacing methods on learning outcomes flat tennis service skills,(4) there is interaction between the overall teaching methods, part teaching methods and combined teaching methods and learning motivation outcomes flat tennis service skills,(5) overall teaching methods higher effect of the part teacing methods on learning outcomes flat tennis service skillsusing a high learning motivation, (6) overall teaching methods lower effect of the part teacing methods on learning outcomes flat tennis service skillsusing a high learning motivation, (7) part teaching methods lower effect of the combined teacing methods on learning outcomes flat tennis service skillsusing a high learning motivation, (8) overall teaching methods higher effect of the part teacing methods on learning outcomes flat tennis service skillsusing a low learning motivation, (9) overall teaching methods lower effect of the part teacing methods on learning outcomes flat tennis service skillsusing a low learning motivation, (10) part teaching methods lower effect of the combined teacing methods on learning outcomes flat tennis service skillsusing a low learning motivation.

scholarly journals Validation of the Design for Mass Adaptation Method – A Case for Higher Medical Treatment Quality

2020 ◽  
Vol 9 (1) ◽  
pp. 88-100
Author(s):  
Selin Üreten ◽  
Johanna Spallek ◽  
Ece Üreten ◽  
Dieter Krause
Keyword(s):  
Experimental Study ◽  
Data Collection ◽  
Engineering Design ◽  
Qualitative Data ◽  
Design Method ◽  
Treatment Quality ◽  
Data Collection And Analysis ◽  
High Treatment ◽  
Adaptation Method ◽  
Qualitative Data Collection

This contribution demonstrates the application of the new Design Method Validation System ( DMVS) for the validation of engineering design methods in product development. The application example is a case from the medical branch. The product design method Design for Mass Adaptation ( DfMAd) with individualization and modification steps as triggers is compared to an adapted design method with product individualization but without modification triggers. This experimental study was conducted in accordance with the DMVS procedure. Measured outcomes refer to the usefulness, applicability and acceptance of the design method DfMAd. Two groups of student participants were compared to each other through research tools based on quantitative and qualitative data collection and analysis. Findings show that the considered DfMAd phase successfully leads to the desired benefit for the consideration of variant-oriented alternatives, thus confirming the test hypothesis. In the example of a product, a crutch, a high treatment quality can be achieved by specific adaptability of the product. In addition, it is shown that DMVS is suitable for the development of experiments and that the data collection means are differently suited for the validation of the three criteria.

scholarly journals Influence of wall atomizer to condensation rate in flashing purification

2019 ◽  
Vol 14 (4) ◽  
pp. 872-883 ◽  
Author(s):  
Hery Sonawan ◽  
Dendi Nurhidayat ◽  
Haris Saefudin
Keyword(s):  
Experimental Study ◽  
Factorial Design ◽  
Design Method ◽  
Experiment Design ◽  
Water Jet ◽  
Vacuum Pressure ◽  
Condensation Rate ◽  
Water Particle ◽  
Evaporation And Condensation ◽  
Variable Combination

Abstract This paper presents an experimental study of wall atomizer usage in flashing purification. The water jet bursts out of the nozzle and hit the wall atomizer, splits into particles and evaporates until it finally condenses. The effectiveness of water particle evaporation influences the condensate volume. In this paper, improvements were more focused on how to generate water particles by applying a wall atomizer in a flashing chamber. The more water particles were created, the better the evaporation and condensation rate. Flashing purification experiments were conducted by following the factorial design method. From the first experiment design, an optimum condensate volume was obtained at a specified folding width of wall atomizer and feedwater pressure; meanwhile, vacuum pressure and feedwater temperature were kept constant. Three different folding widths of 5mm, 8mm and 12mm were tested in this experiment. The second experiments were continued by varying feedwater temperature at an optimum atomizer folding width to obtain more condensate volume. Wall atomizer usage in flashing purification has been proved to increase condensation rate or condensate volume. The highest condensate volume of 150.2ml was obtained from 8mm atomizer folding width with a variable combination of 2.0 bar-g feedwater pressure, a vacuum pressure of −53 cmHg and feedwater temperature of 70 °C. This result was in line with the theory that states that the presence of a wall atomizer increases water particles. There was even an atomizer folding width that provided an optimum condensate volume. The use of an atomizer folding width of less and more than 8mm produced lower condensate volume. At 5mm atomizer folding width, condensate volumes were 24.6ml and 22.0ml, whereas 12mm atomizer folding width produced 48.9ml and 50.3ml.

Mechanical design method for operability based on modeling of hydraulic system and experimental study of operation mechanisms

2021 ◽  
Vol 2021.59 (0) ◽  
pp. 04c3
Author(s):  
Shintaro Tanaka ◽  
友宏 深谷 ◽  
弘貴 山口 ◽  
文哉 佐藤 ◽  
Md Issa Nurhayati ◽  
...  
Keyword(s):  
Experimental Study ◽  
Hydraulic System ◽  
Mechanical Design ◽  
Design Method

scholarly journals THE EXPERIMENTAL STUDY OF SHALLOW FLOWS OF LIQUID ON THE AIRPORT RUNWAYS AND AUTOMOBILE ROADS

Transport ◽  
2010 ◽  
Vol 25 (4) ◽  
pp. 394-402 ◽  
Author(s):  
Andrey Beljatynskij ◽  
Olegas Prentkovskis ◽  
Julij Krivenko
Keyword(s):  
Experimental Study ◽  
Traffic Safety ◽  
Water Film ◽  
Reynolds Numbers ◽  
Road Surface ◽  
Moving Vehicle ◽  
The Road ◽  
Shallow Flows ◽  
On The Road ◽  
Effective Water

Hydroplaning or aquaplaning is associated with the complete loss of the grip of a tyre because of the presence of a water film between the tyres of a moving vehicle (an automobile, an airplane, etc.) and the road surface. In this case, a vehicle becomes uncontrollable. Hydroplaning (aquaplaning) occurs when the speed of a vehicle reaches the critical value, when the wheel does not have time enough for water compulsion, which leads to the formation of a permanent water film between it and the road surface. The higher the depth of the water on the road surface under the tyre, the higher the risk of hydroplaning (aquaplaning). In other words, hydroplaning (aquaplaning) is the floating of the wheel on the water wedge. In physical terms, it is the loss of the ability of a tyre of the effective water compulsion from the contact area with the road. As a result, a water film of several millimeters is formed under the wheel, and a vehicle actually floats up. The article presents the results obtained in the experimental study of the flows of liquid, whose depth is comparable with that of depressions and cambers of rough roadway pavement. It is stated that the relationships used for calculating surface flows should be corrected for shallow flows, taking into account the actual roughness of road covering. Shallow flows are mostly laminar. The transition Reynolds numbers are about 3000. The relationships used for calculating shallow flows may be determined more accurately by test pouring of water on the surface of roadway pavement, with further generalization of the data. The experimental research performed is closely related to the study of the problems of aquaplaning and traffic safety of various means of transport.

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