GLORIA

GEOMAR Library Ocean Research Information Access

X

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
  • 1
    Online Resource
    Online Resource
    Experimental study of UAV propeller Thrust generation for various Propeller Blade-Span and the relation with mouth-ring
    IOP Publishing ; 2019
    In:  IOP Conference Series: Materials Science and Engineering Vol. 557, No. 1 ( 2019-06-01), p. 012052-
    Details
    In: IOP Conference Series: Materials Science and Engineering, IOP Publishing, Vol. 557, No. 1 ( 2019-06-01), p. 012052-
    Abstract: In this study, the main focus is to investigate the thrust generation of various propeller blade width-spans with the relation of mouth-ring application. By using the parameter, the thrust was calculated based on the value of velocity, voltage and rpm. The testing was performed in two condition that is with mouth-ring and without mouth-ring and 2 size of propeller been tested in this experiment. The application of mouth-ring is based on the gap between the wall of mouth-ring and the blade tip. There are 3 size of gap; 10mm, 8mm and 5mm. The result shows that 10mm mouth-ring have better thrust generation other than two gap. In addition, if compare to with and without mouth-ring, the application of mouth-ring also has proved it has a better thrust. Furthermore, the application of mouth-ring is evaluating to be good base on this study.
    Type of Medium: Online Resource
    ISSN: 1757-8981 , 1757-899X
    URL: Article
    DOI: 10.1088/1757-899X/557/1/012052
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 2019
    detail.hit.zdb_id: 2506501-4
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
  • 2
    Online Resource
    Online Resource
    Dynamic Analysis of UAV’s Motor Support Bar Length Control System
    IOP Publishing ; 2019
    In:  IOP Conference Series: Materials Science and Engineering Vol. 557, No. 1 ( 2019-06-01), p. 012053-
    Details
    In: IOP Conference Series: Materials Science and Engineering, IOP Publishing, Vol. 557, No. 1 ( 2019-06-01), p. 012053-
    Abstract: UAV (Unmanned Aerial Vehicle) can be described as aircraft that do not need any presence of pilots inside it. Basically, UAV is come out in a small aircraft so that the aircraft can be easily controlled by the people from afar[1]. The UAV’s motor support bar length control systems are the UAV’s control systems that move according to the variable arm length movement and also a constant revolution of the propeller speeds. The purpose of the study is to run the dynamic analysis at the UAV’s motor support bar length control systems and also to enhance the UAV’s mathematical modelling by using the SOLIDWORKS ® software which involved in using both CAD and CAE systems[2]. The detailed design is used SOLIDWORKS ® software to conduct the static and dynamic analysis of UAV’s motor support bar length control systems. The design is restricted to the arm due to the critical part that has the highest vibration at the UAV’s motor support bar length control systems. The results that obtain from the study from the static and dynamic analysis are the displacement of the motor, Von Misses stress of the arm, and also the resonance frequency that will give the modes shape to the systems.
    Type of Medium: Online Resource
    ISSN: 1757-8981 , 1757-899X
    URL: Article
    DOI: 10.1088/1757-899X/557/1/012053
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 2019
    detail.hit.zdb_id: 2506501-4
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
  • 3
    Online Resource
    Online Resource
    Metal Oxide and Activated Carbon as Photocatalyst for Waste Water Treatment
    IOP Publishing ; 2019
    In:  IOP Conference Series: Materials Science and Engineering Vol. 557, No. 1 ( 2019-06-01), p. 012066-
    Details
    In: IOP Conference Series: Materials Science and Engineering, IOP Publishing, Vol. 557, No. 1 ( 2019-06-01), p. 012066-
    Abstract: Nanoparticles of metal oxide have great potential in the photocatalytic system for removal of heavy metals in wastewater. The usage of titanium dioxide (TiO2) as photocatalyst has gained much attention because of its unique properties compared to others metal oxide. The usage of activated carbon (AC) as adsorbent from agricultural wastes such as coconut shell, cotton stalks and rice husk (RH) has recently used nowadays due to it is characteristic and low cost. Besides, it can reduce the abundant of wastes from open burning occurs and also can minimizing air pollution. The combination of photocatalyst-absorption process has been introduced in photocatalytic activity via dip-coating techniques without involving the filtration process. This technique has seeking more attention of researchers for removal of heavy metals such as cadmium (Cd), chromium Cr) and copper (Cu) in industrial wastewater treatment.
    Type of Medium: Online Resource
    ISSN: 1757-8981 , 1757-899X
    URL: Article
    DOI: 10.1088/1757-899X/557/1/012066
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 2019
    detail.hit.zdb_id: 2506501-4
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
  • 4
    Online Resource
    Online Resource
    Physical properties of plasticized PLA/HNTs bionanocomposites: effects of plasticizer type and content
    IOP Publishing ; 2019
    In:  IOP Conference Series: Materials Science and Engineering Vol. 557, No. 1 ( 2019-06-01), p. 012067-
    Details
    In: IOP Conference Series: Materials Science and Engineering, IOP Publishing, Vol. 557, No. 1 ( 2019-06-01), p. 012067-
    Abstract: Halloysite nanotubes (HNTs) reinforced polylactic acid (PLA) nanocomposite films were utilized for different applications, such as packaging, drug recover and other applications. The incorporation of plasticizer into polymer nanocomposites modifies some of their functional and physical properties, such as increasing flexibility, moisture sensitivity, in addition to other functional properties. However, the effects of Polyethylen glycol (PEG) and sesame oil (SO) on selected physical properties (moisture content (MC), contact angle (CA) and water vapor permeability (WVP)) of PLA)/HNTs bionanocomposite films were examined. The plasticized PLA/HNTs (5 wt % HNTs loading) bionanocomposite films were prepared using the solution casting method at room temperature. The concentrations of each plasticizer that used indivisually were (0, 10, 20 and 30 wt %). Results show that the increasing of PEG content led to increase in moisture content and water vapor permeability and decrease in contact angle of the films. On the contrary, the increasing of SO levels led to decrease in moisture content and water vapor permeability and increase in contact angle of the films. Differences in measured physical properties of films with plasticizer type and concentration may be attributed to differences in the hydrophilic and hydrophobic properties of the plasticizers. SO was the plasticizer that showed the most interested effect (low moisture content and water vapor permeability) on PLA/HNTs films for food packaging applications compared to PEG.
    Type of Medium: Online Resource
    ISSN: 1757-8981 , 1757-899X
    URL: Article
    DOI: 10.1088/1757-899X/557/1/012067
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 2019
    detail.hit.zdb_id: 2506501-4
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
  • 5
    Online Resource
    Online Resource
    Slow Release Fertilizer from Treated Rice Straw/Urea Beads Coated With Natural Rubber: FTIR and UV-Vis Analysis
    IOP Publishing ; 2019
    In:  IOP Conference Series: Materials Science and Engineering Vol. 557, No. 1 ( 2019-06-01), p. 012068-
    Details
    In: IOP Conference Series: Materials Science and Engineering, IOP Publishing, Vol. 557, No. 1 ( 2019-06-01), p. 012068-
    Abstract: Slow release fertilizer (SRF) that consist of rice straw (RS) and urea coated with natural rubber (NR) and salt abbreviated as RS/Urea beads coated with NR/salt composites were prepared. RS was sieved in two different sizes which were 500 μm and 1 mm. Both of the RS sizes were treated with sodium hydroxide to expand the fibre capacity in order to store more urea. The RS/urea beads were then coated with NR/salt composite. Two concentrations of the salts prepared which were 5 % and 10 % towards the weight of the NR while 0 % salt act as a control. The role of salt is to introduce pore to the NR which allow urea to pass through its coating when soaked in the water. All SRF samples were analysed using FTIR and UV-Vis technique.
    Type of Medium: Online Resource
    ISSN: 1757-8981 , 1757-899X
    URL: Article
    DOI: 10.1088/1757-899X/557/1/012068
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 2019
    detail.hit.zdb_id: 2506501-4
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
  • 6
    Online Resource
    Online Resource
    Analysis of Human Behaviour while Controlling the Steering Wheel of a Buggy Electric Vehicle (EV)
    IOP Publishing ; 2019
    In:  IOP Conference Series: Materials Science and Engineering Vol. 557, No. 1 ( 2019-06-01), p. 012011-
    Details
    In: IOP Conference Series: Materials Science and Engineering, IOP Publishing, Vol. 557, No. 1 ( 2019-06-01), p. 012011-
    Abstract: Human ability to make a decision and recognize pattern are based on their intelligence level and experience. This ability makes the driver alert and knows what they need to do at certain situations. This paper aims to study human behavior while driving the vehicle at the desired path. Certain criteria subjects are selected with the purpose to study their driving pattern. The subjects must own a driving license and driving experience less than 10 years. The subject then drives the vehicle at the designed paths, which is straight and right turn. The drive pattern for the subjects shows a similar pattern but different characteristics. The experiments used to create a fuzzy controller that imitate human behavior while controlling the steering wheel. The steering wheel angle, position, heading and speed of the vehicle are recorded during the experiments. This paper only focus on the analysis of human behaviour based on steering wheel angle recorded.
    Type of Medium: Online Resource
    ISSN: 1757-8981 , 1757-899X
    URL: Article
    DOI: 10.1088/1757-899X/557/1/012011
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 2019
    detail.hit.zdb_id: 2506501-4
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
  • 7
    Online Resource
    Online Resource
    Comparison Between Performance of De-ionized Water and Al 2 O 3 /De-ionized Water on Enhancing the Transportation of Heat in Small Space
    IOP Publishing ; 2019
    In:  IOP Conference Series: Materials Science and Engineering Vol. 557, No. 1 ( 2019-06-01), p. 012051-
    Details
    In: IOP Conference Series: Materials Science and Engineering, IOP Publishing, Vol. 557, No. 1 ( 2019-06-01), p. 012051-
    Abstract: In this article, the influence of deionized water and Al 2 O 3 /deionized water nanofluid to cooling battery ambient temperature is shown in figure 1. The battery temperature is observed to be decrease as the Al 2 O 3 /deionized water nanofluids volume concentration and high flow rate is incremented. The Al 2 O 3 /deionized water nanofluid exhibits enhancement as compared to deionized water under laminar flow conditions. The 0.60 vol. % concentration of Al 2 O 3 with 10g surfactant and 1 L/min flow rate gives the highest heat transfer rate value among all with 65 % higher as compared to deionized water at laminar flow was observed. It has been observed that 24 hr of ultra-sonication was the best duration in the presence of a surfactant, where it gives the best stability and improved thermal conductivity, this improvement is due to decrease of aggregates within nanoparticle.
    Type of Medium: Online Resource
    ISSN: 1757-8981 , 1757-899X
    URL: Article
    DOI: 10.1088/1757-899X/557/1/012051
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 2019
    detail.hit.zdb_id: 2506501-4
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
  • 8
    Online Resource
    Online Resource
    Tensile Properties and Impact Strength of RHDPE/BF Composites: The Effects of Chemical Treatment
    IOP Publishing ; 2019
    In:  IOP Conference Series: Materials Science and Engineering Vol. 557, No. 1 ( 2019-06-01), p. 012041-
    Details
    In: IOP Conference Series: Materials Science and Engineering, IOP Publishing, Vol. 557, No. 1 ( 2019-06-01), p. 012041-
    Abstract: Recycled high-density polyethylene reinforced with bamboo filler were compounded with twin-screw extruder and injection molding process. The main objective of this study is to investigate the effect of different chemical treatment with different concentration for bamboo filler reinforced with recycled high-density polyethylene composites via injection molding. The fillers were reinforced with plastic for different concentration of sodium hydroxide and acetic acid at 2.5 %, 5.0 % and 7.5 %. Mechanical measurements will show the presence of different chemical treatment with different concentration insignificantly effect in the composites tensile properties and also impact properties. The result of the mechanical analysis carried out showed that the presence of natural filler in composites will improve the properties of the material.
    Type of Medium: Online Resource
    ISSN: 1757-8981 , 1757-899X
    URL: Article
    DOI: 10.1088/1757-899X/557/1/012041
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 2019
    detail.hit.zdb_id: 2506501-4
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
  • 9
    Online Resource
    Online Resource
    Muscle Fatigue Detections During Arm Movement using EMG Signal
    IOP Publishing ; 2019
    In:  IOP Conference Series: Materials Science and Engineering Vol. 557, No. 1 ( 2019-06-01), p. 012004-
    Details
    In: IOP Conference Series: Materials Science and Engineering, IOP Publishing, Vol. 557, No. 1 ( 2019-06-01), p. 012004-
    Abstract: Electromyography is a study of muscle function through the analysis of electrical signals emanated during muscular and muscle contractions. In the post-stroke rehabilitation process, monitoring of muscle activity is very important to know the developments of muscle strength. EMG signals, which produced by muscle activity have information such as muscle contractions, muscle strength and muscle weakness. Rehabilitation process that takes a long period of time can cause muscle fatigue, and the rehabilitation becomes inefficient. The objective of this research is to analyze the muscle fatigue during arm movements by using EMG signals. In this study, deltoid and biceps are monitored by using EMG and the signal are analyzed by using MATLAB. Five healthy subjects are selected to perform the rehabilitation in the experiments. Functional and fundamental movements are used in the data collections. The mean as a feature from a frequency domain is proposed to be used in the analysis. The results show that the signal contractions from deltoid and biceps muscles decreased constantly by the time. In the process of rehabilitation, the stroke sufferers should not do the exercise in a long period of time.
    Type of Medium: Online Resource
    ISSN: 1757-8981 , 1757-899X
    URL: Article
    DOI: 10.1088/1757-899X/557/1/012004
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 2019
    detail.hit.zdb_id: 2506501-4
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...