Oral Submucous Fibrosis

Zeeshan, Muhammad; Shakeel, Ayesha; Mahmood, Hafiz Yasir

doi:10.29309/tpmj/2018.25.04.339

Cited by 11 publications

(14 citation statements)

References 8 publications

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“…The TENG can be used as a sensing unit to acquire energy and sense information about the human body. TENG has broad application prospects in sensing fields such as soft wearables and robotics, energy harvesters, and rehabilitation or diagnostics, and it has excellent sensing performance [25][26][27][28][29][30][31][32][33][34][35][36]. It can convert human mechanical energy into electrical energy.…”

Section: Introductionmentioning

confidence: 99%

A 3D Printing Triboelectric Sensor for Gait Analysis and Virtual Control Based on Human–Computer Interaction and the Internet of Things

et al. 2022

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Gait is the information that can reflect the state index of the human body, and at the same time, the leg is the organ with the maximum output power of the human body. Effective collection of maximum mechanical power output and gait information can play an important role in sustainable energy acquisition and human health monitoring. In this paper, a 3D printing triboelectric nanogenerator (3D printed TENG) is fabricated by 3D printing technology, it is composited of Poly tetra fluoroethylene (PTFE) film, Nylon film, and 3D printing substrate. Based on the principle of friction electrification and electrostatic induction, it can be used as the equipment for human sustainable mechanical energy collection and gait monitoring. In order to solve the problems of energy collection, gait monitoring, and immersion experience, we conducted the following experiments. Firstly, the problem of sustainable energy recovery and reuse of the human body was solved. Three-dimensionally printed TENG was used to collect human mechanical energy and convert it into electric energy. The capacitor of 2 μF can be charged to 1.92 V in 20 s. Therefore, 3D printed TENG can be used as a miniature sustainable power supply for microelectronic devices. Then, the gait monitoring software is used to monitor human gait, including the number of steps, the frequency of steps, and the establishment of a personal gait password. This gait password can only identify a specific individual through machine learning. Through remote wireless transmission means, remote real-time information monitoring can be achieved. Finally, we use the Internet of Things to control virtual games through electrical signals and achieve the effect of human–computer interaction. The peak search algorithm is mainly used to detect the extreme points whose amplitude is greater than a certain threshold and the distance is more than 0.1 s. Therefore, this study proposed a 3D printed TENG method to collect human mechanical energy, monitor gait information, and then conduct human–computer interaction, which opened up a multi-dimensional channel for human energy and information interaction.

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Section: Introductionmentioning

confidence: 99%

A 3D Printing Triboelectric Sensor for Gait Analysis and Virtual Control Based on Human–Computer Interaction and the Internet of Things

et al. 2022

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“…In both type of devices, the output is often limited by the change of the material's permeability against temperature and indirectly by its temperature response to the external heat source [8,9]. It is also a fact that not all the heat from the source can be fully utilized due to the limits of heat transfer at a lower temperature, while other parasitic heat losses tend to dominate when operating at higher temperatures [10]. There are also inherent losses in the material, such as the hysteresis that happens during each cycle of magnetization and demagnetization [11].…”

Section: Introductionmentioning

confidence: 99%

Design Optimization of a Rotary Thermomagnetic Motor for More Efficient Heat Energy Harvesting

Hey

Repaka

et al. 2022

Energies

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A rotary thermomagnetic motor that is designed for heat energy harvesting is presented in this paper. The power output, power density, and efficiency of the device is estimated using a mathematical model coupling the heat transfer, magnetic interactions, and rotor dynamics. The design analysis shows that the efficiency of the device is maximized, when there is a balance between the volume of thermomagnetic material used against the rate of heating and cooling of the material. On the other hand, the power output is determined largely by the size of the rotor, while the power density tends to peak at a particular aspect (length to diameter) ratio of the rotor. It is also observed that a higher rate of cooling leads to more output, especially when this is matched to a similar rate of heat supplied to the thermomagnetic motor. The result from the design optimization points to an ‘optimal’ design configuration and corresponding operating conditions that results in the largest power output, highest power density and best efficiency. After the optimization, it is estimated that the rotary thermomagnetic motor is able to produce up to 88 W of power with a power density of approximately 27 kW/m3 of thermomagnetic material used, while a maximum thermal-to-mechanical energy conversion efficiency of 2.1% is achievable. The results obtained from this design analysis and optimization shows the potential for such a rotary thermomagnetic motor to be implemented at a larger scale for heat energy harvesting application.

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“…Rasheed et al [16] observed the boundary layer phenomena for the stagnation point flow of water-based nanofluids with the upshot of the MHD and convective heating on a nonlinear stretching surface. Zeeshan et al [17] examined and executed the multiple-coating assessments of fiber optics utilizing a micropolar convection non-Newtonian third-order liquid in the existence of the Hall effect. Shamsi et al [18] simulated the SEN using a three-dimensional mathematical model based on considerations of the fluid flow, heat transfer and solidification for a better understanding of the process.…”

Section: Introductionmentioning

confidence: 99%

Influence of Nozzle Design on Flow Characteristic in the Continuous Casting Machinery

Du¹,

Zeng³

et al. 2022

Coatings

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In the process of continuous casting, the submerged nozzle will affect the flow of the liquid steel and the quality of the slab. In this paper, three nozzle structures are investigated to compare the influence of the nozzle structure on the flow and solidification of steel. In addition, the flow field, flow velocity, recirculation zone, free-surface turbulent kinetic energy and heat transfer of fluid steel are calculated. The results demonstrate that among the three nozzles, the structure of the B nozzle is the best. The fluid steel flows out from the nozzle at a certain angle. The flow rate and momentum of the fluid steel gradually decrease, and two split streams are formed when the main stream approaches the narrow surface. The spherical area at the bottom of the nozzle can reduce the flow rate of the fluid steel at the outlet of the nozzle, leading to a stable liquid level. The turbulent kinetic energy of the free liquid surface of nozzle A is the largest, reaching 0.00204 m2·s−2. The turbulent kinetic energy of nozzle C is slightly lower (0.00193 m2·s−2), and the free-liquid-surface turbulent kinetic energy of nozzle B (0.00154 m2·s−2) is the smallest. The surface velocity of nozzle B is also lower than that of A and C because the vortex center of the upper recirculation zone of nozzle B is closer to the narrow surface. The results show that the B nozzle is optimal, and this model can provide theoretical guidance for the design of a nozzle during the continuous casting.

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Oral Submucous Fibrosis

Cited by 11 publications

References 8 publications

A 3D Printing Triboelectric Sensor for Gait Analysis and Virtual Control Based on Human–Computer Interaction and the Internet of Things

A 3D Printing Triboelectric Sensor for Gait Analysis and Virtual Control Based on Human–Computer Interaction and the Internet of Things

Design Optimization of a Rotary Thermomagnetic Motor for More Efficient Heat Energy Harvesting

Influence of Nozzle Design on Flow Characteristic in the Continuous Casting Machinery

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