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  • Open Access

    ARTICLE

    Impacts of Rotation on Unsteady Fluid Flow and Energy Distribution through a Bending Duct with Rectangular Cross Section

    Mohammad Zohurul Islam1, Rabindra Nath Mondal2, Suvash C. Saha1,*

    Energy Engineering, Vol.119, No.2, pp. 453-472, 2022, DOI:10.32604/ee.2022.018160 - 24 January 2022

    Abstract

    A depth understanding of fluid flow past a curved duct having rectangular cross-section with different aspect ratios (l) are essential for various engineering applications such as in chemical, mechanical, bio-mechanical and bio-medical engineering. So highly ambitious researchers have given significant attention to study new characteristics of fluid flow in a curved duct. The flow characterization in the rectangular duct has been studied over a wide range of numerical and selective experimental studies. However, proper knowledge with the effects of Coriolis force for different aspect ratios is important for better understanding of the transitional behaviour and

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  • Open Access

    ARTICLE

    SSA-HIAST: A Novel Framework for Code Clone Detection

    Neha Saini*, Sukhdip Singh

    CMC-Computers, Materials & Continua, Vol.71, No.2, pp. 2999-3017, 2022, DOI:10.32604/cmc.2022.022659 - 07 December 2021

    Abstract In the recent era of software development, reusing software is one of the major activities that is widely used to save time. To reuse software, the copy and paste method is used and this whole process is known as code cloning. This activity leads to problems like difficulty in debugging, increase in time to debug and manage software code. In the literature, various algorithms have been developed to find out the clones but it takes too much time as well as more space to figure out the clones. Unfortunately, most of them are not scalable.… More >

  • Open Access

    ARTICLE

    The Effect of Bio-Oil on High-Temperature Performance of Bio-Oil Recycled Asphalt Binders

    Hengcong Zhang*, Jianmin Wu, Zhong Qin, Yin Luo

    Journal of Renewable Materials, Vol.10, No.4, pp. 1025-1037, 2022, DOI:10.32604/jrm.2022.017483 - 02 November 2021

    Abstract Bio-oil recycled asphalt binders in road engineering can help solve the problem of oil shortage and reduce the environmental pollution and sustainability. This paper investigated the road performance of the aged asphalt binder by adding bio-oil so that the aged asphalt binder could be reused to reach purpose of reuse. The residual soybean oil was selected as rejuvenator and blended with aged asphalt binder at 0%, 2%, 4%, and 6%, respectively. The results showed that bio-oil increased the penetration of aged asphalt binder, the penetration of bio-oil recycled asphalt binder with a bio-oil content of… More >

  • Open Access

    ARTICLE

    Modified Mackenzie Equation and CVOA Algorithm Reduces Delay in UASN

    R. Amirthavalli1,*, S. Thanga Ramya2, N. R. Shanker3

    Computer Systems Science and Engineering, Vol.41, No.2, pp. 829-847, 2022, DOI:10.32604/csse.2022.020307 - 25 October 2021

    Abstract In Underwater Acoustic Sensor Network (UASN), routing and propagation delay is affected in each node by various water column environmental factors such as temperature, salinity, depth, gases, divergent and rotational wind. High sound velocity increases the transmission rate of the packets and the high dissolved gases in the water increases the sound velocity. High dissolved gases and sound velocity environment in the water column provides high transmission rates among UASN nodes. In this paper, the Modified Mackenzie Sound equation calculates the sound velocity in each node for energy-efficient routing. Golden Ratio Optimization Method (GROM) and… More >

  • Open Access

    ARTICLE

    Dorsal-Ventral Visual Pathways and Object Characteristics: Beamformer Source Analysis of EEG

    Akanksha Tiwari1, Ram Bilas Pachori1,2, Premjit Khanganba Sanjram1,3,4,*

    CMC-Computers, Materials & Continua, Vol.70, No.2, pp. 2347-2363, 2022, DOI:10.32604/cmc.2022.020299 - 27 September 2021

    Abstract In performing a gaming task, mental rotation (MR) is one of the important aspects of visuospatial processing. MR involves dorsal-ventral pathways of the brain. Visual objects/models used in computer-games play a crucial role in gaming experience of the users. The visuospatial characteristics of the objects used in the computer-game influence the engagement of dorsal-ventral visual pathways. The current study investigates how the objects’ visuospatial characteristics (i.e., angular disparity and dimensionality) in an MR-based computer-game influence the cortical activities in dorsal-ventral visual pathways. Both the factors have two levels, angular disparity: convex angle (CA) vs. reflex angle… More >

  • Open Access

    ARTICLE

    Secure Rotation Invariant Face Detection System for Authentication

    Amit Verma1, Mohammed Baljon2, Shailendra Mishra2,*, Iqbaldeep Kaur1, Ritika Saini1, Sharad Saxena3, Sanjay Kumar Sharma4

    CMC-Computers, Materials & Continua, Vol.70, No.1, pp. 1955-1974, 2022, DOI:10.32604/cmc.2022.020084 - 07 September 2021

    Abstract Biometric applications widely use the face as a component for recognition and automatic detection. Face rotation is a variable component and makes face detection a complex and challenging task with varied angles and rotation. This problem has been investigated, and a novice algorithm, namely RIFDS (Rotation Invariant Face Detection System), has been devised. The objective of the paper is to implement a robust method for face detection taken at various angle. Further to achieve better results than known algorithms for face detection. In RIFDS Polar Harmonic Transforms (PHT) technique is combined with Multi-Block Local Binary… More >

  • Open Access

    ARTICLE

    Improved RC6 Block Cipher Based on Data Dependent Rotations

    Osama S. Faragallah1,*, Ibrahim F. Elashry2, Ahmed AlGhamdi3, Walid El-Shafai4, S. El-Rabaie4, Fathi E. Abd El-Samie4, Hala S. El-sayed5, Mohamed A. Elaskily6

    CMC-Computers, Materials & Continua, Vol.70, No.1, pp. 1921-1934, 2022, DOI:10.32604/cmc.2022.019798 - 07 September 2021

    Abstract This paper introduces an Improved RC6 (IRC6) cipher for data encryption based on data-dependent rotations. The proposed scheme is designed with the potential of meeting the needs of the Advanced Encryption Standard (AES). Four parameters are used to characterize the proposed scheme. These parameters are the size of the word (w) in bits, the number of rounds (r), the length of the secret key (b) in bytes, and the size of the block (L) in bits. The main feature of IRC6 is the variable number of working registers instead of just four registers as in RC6, resulting… More >

  • Open Access

    ARTICLE

    Isomorphic 2D/3D Objects and Saccadic Characteristics in Mental Rotation

    Akanksha Tiwari1, Ram Bilas Pachori1,2, Premjit Khanganba Sanjram1,3,4,*

    CMC-Computers, Materials & Continua, Vol.70, No.1, pp. 433-450, 2022, DOI:10.32604/cmc.2022.019256 - 07 September 2021

    Abstract Mental rotation (MR) is an important aspect of cognitive processing in gaming since transformation and manipulation of visuospatial information are necessary in order to execute a gaming task. This study provides insights on saccadic characteristics in gaming task performance that involves 2D and 3D isomorphic objects with varying angular disparity. Healthy participants (N =60) performed MR gaming task. Each participant was tested individually in an acoustic treated lab environment. Gaze behavior data of all participants were recorded during task execution and analyzed to find the changes in spatiotemporal characteristics of saccades associated with the variation in angular… More >

  • Open Access

    ARTICLE

    When virtual becomes reality: short term impressions of a two-week virtual urology sub-internship program

    Bristol B. Whiles1, Casey G. Kowalik1, Moben Mirza1, Hadley Wyre1, Kerri L. Thurmon1,2

    Canadian Journal of Urology, Vol.28, No.6, pp. 10907-10913, 2021

    Abstract Introduction: The COVID-19 pandemic disrupted medical student education and posed a unique challenge for educators, especially for surgical clerkships. In response to COVID-19 rotation restrictions, we implemented a virtual urologic surgery sub-internship program and evaluated medical student impressions of the experience.
    Materials and methods: A two-week urology curriculum was created with content delivered by interactive videoconferencing. The curriculum included synchronous and individual learning with live patient clinical experiences in the outpatient clinic and operating room, lectures, departmental conferences, a suture lab, self-reflective writing exercises, and an oral presentation. Student impressions were assessed with an exit survey. Descriptive… More >

  • Open Access

    ARTICLE

    Sub-1 GHz Network-Based Wireless Bridge-Monitoring System: Feature and Verification

    Li Hui1,*, Faress Hraib2, Mohammad Rahman3, Miguel Vicente4, Riyadh Hindi3

    Structural Durability & Health Monitoring, Vol.15, No.4, pp. 281-297, 2021, DOI:10.32604/sdhm.2021.016495 - 23 November 2021

    Abstract Traditional bridge monitoring systems often require wired connections between sensors, a data acquisition system, and data center. The use of extension wires, conduits, and other costly accessories can dramatically increase the total cost of bridge monitoring. With the development of wireless technologies and the notable cost benefits, many researchers have been integrating wireless networks into bridge monitoring system. In this study, a wireless bridge monitoring system has been developed based on the Sub-1 GHz network. The main functional components of this system include sensors, wireless nodes, gateway and data center. Wireless nodes can convert analog… More >

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