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32 Results Found

  • Article
  • Open Access
14 Citations
3,592 Views
14 Pages

This paper presents a design of a triangular slot-loaded planar rectangular antenna array for wideband millimeter-wave (mm-wave) 5G communication systems. The proposed array realizes an overall size of 35.5 × 14.85 mm2. To excite the array elements,...

  • Proceeding Paper
  • Open Access
10 Citations
3,224 Views
7 Pages

Circular Slotted Triangular Patch Antenna for 5.8 GHz ISM Band Applications

  • Ashweena Atif,
  • Alishba Majid,
  • Muhammad Zahid and
  • Yasar Amin

20 September 2023

The design of a circularly slotted triangular patch radiator with a full-ground structure for 5.8 GHz ISM band applications is the basis for this research. The working band of the suggested miniaturized patch radiator may be adjusted by adjusting the...

  • Article
  • Open Access
20 Citations
4,657 Views
26 Pages

Fully Integrated High Gain S-Band Triangular Slot Antenna for CubeSat Communications

  • Mohamed El Bakkali,
  • Moulhime El Bekkali,
  • Gurjot Singh Gaba,
  • Josep M. Guerrero,
  • Lavish Kansal and
  • Mehedi Masud

Among other CubeSat subsystems, Antenna is one of the most important CubeSat components as its design determines all the telecommunication subsystems’ performances. This paper presents a coplanar wave-guide (CPW)-fed equilateral triangular slot...

  • Article
  • Open Access
8 Citations
3,463 Views
21 Pages

3 February 2023

High-pressure fluctuation and flow ripple may cause unexpected vibration and noise when the piston pump works under severe conditions, and eventually lead to hydraulic transmission failure. The geometry of the valve plate has a great influence on the...

  • Article
  • Open Access
22 Citations
6,144 Views
16 Pages

Metamaterial-Inspired Electrically Compact Triangular Antennas Loaded with CSRR and 3 × 3 Cross-Slots for 5G Indoor Distributed Antenna Systems

  • Arshad Karimbu Vallappil,
  • Bilal A. Khawaja,
  • Mohamad Kamal A. Rahim,
  • Muhammad Naeem Iqbal and
  • Hassan T. Chattha

27 January 2022

In this article, two distinct kinds of metamaterial (MTM) antennas are proposed for fifth-generation (5G) indoor distributed antenna systems (IDAS). Both antennas operate in the sub-6 GHz 5G band, i.e., 3.5 GHz. The antenna’s radiating structur...

  • Article
  • Open Access
1 Citations
1,934 Views
17 Pages

13 September 2024

We conducted a numerical study of the effects of a vortex generator (VG) on the combustion characteristics and physical fluid flow of LPG on a porous bluff-body slot burner (PBSB) model, validating the numerical and experimental results of the temper...

  • Article
  • Open Access
7 Citations
4,536 Views
8 Pages

15 August 2020

The design and modeling of a highly sensitive sensor based on a slot photonic crystal waveguide (slot-PCWG) is presented. The structure consists of cylindrical air rods drilled in a dielectric slab on a triangular lattice, which are filled with SiO2....

  • Article
  • Open Access
19 Citations
3,504 Views
15 Pages

A Compact Triple-Band UWB Inverted Triangular Antenna with Dual-Notch Band Characteristics Using SSRR Metamaterial Structure for Use in Next-Generation Wireless Systems

  • Arshad Karimbu Vallappil,
  • Bilal A. Khawaja,
  • Mohamad Kamal A. Rahim,
  • Muhammad Naeem Iqbal,
  • Hassan T. Chattha and
  • Mohamad Fakrie bin Mohamad Ali

A compact triple-band operation ultra-wideband (UWB) antenna with dual-notch band characteristics is presented in this paper. By inserting three metamaterial (MTM) square split-ring resonators (MTM-SSRRs) and a triangular slot on the radiating patch,...

  • Article
  • Open Access
5 Citations
3,244 Views
22 Pages

18 March 2022

In the present study, the hydraulic operation of flow through transverse bottom racks screens with conventional triangular wedge wire and alternative circular section wire is experimentally and numerically analyzed. A laboratory prototype is built fo...

  • Article
  • Open Access
6 Citations
2,472 Views
21 Pages

25 October 2021

This study deals with the improvement in drying process performances and the quality of the final product for industrial equipment in the food industry. Designers need to optimize the design parameters of devices to create synergies between the great...

  • Article
  • Open Access
3 Citations
2,909 Views
14 Pages

This paper proposes a small-size broadband triangular monopole chip antenna for millimeter wave band applications. Process using 0.18 μm CMOS process and antenna design using Met-al_6. Triangular patch design and feed line length analysis to achie...

  • Article
  • Open Access
27 Citations
4,071 Views
16 Pages

14 March 2021

Directed energy deposition (DED) has been widely used for component repair. In the repair process, the surface defects are machined to a groove or slot and then refilled. The sidewall inclination angle of the groove geometry has been recognized to ha...

  • Article
  • Open Access
25 Citations
3,379 Views
13 Pages

3 March 2023

There are many technologies to implement sand control in sand-prone wells, drilled in either weakly or nonconsolidated sandstones. Technologies that are used to prevent sanding can be divided into the following groups: screens (wire-wrapped screens,...

  • Article
  • Open Access
49 Citations
5,086 Views
14 Pages

Design and Realization of a Frequency Reconfigurable Multimode Antenna for ISM, 5G-Sub-6-GHz, and S-Band Applications

  • Adnan Ghaffar,
  • Xue Jun Li,
  • Wahaj Abbas Awan,
  • Syeda Iffat Naqvi,
  • Niamat Hussain,
  • Boon-Chong Seet,
  • Mohammad Alibakhshikenari,
  • Francisco Falcone and
  • Ernesto Limiti

11 February 2021

This paper presents the design and realization of a compact size multimode frequency reconfigurable antenna. The antenna consists of a triangular-shaped monopole radiator, originally inspired from a rectangular monopole antenna. Slots were utilized t...

  • Article
  • Open Access
5 Citations
4,860 Views
11 Pages

3 November 2019

This paper presents a novel low-profile microstrip antenna with an omnidirectional radiation pattern for an artillery-launched observation round. The proposed antenna consists of one centered hexagonal patch for a feeding network and six periodic arr...

  • Letter
  • Open Access
54 Citations
5,037 Views
13 Pages

A Single-Fed Multiband Antenna for WLAN and 5G Applications

  • Zakir Khan,
  • Muhammad Hunain Memon,
  • Saeed Ur Rahman,
  • Muhammad Sajjad,
  • Fujiang Lin and
  • Liguo Sun

6 November 2020

In this paper, a slotted conical patch connected to a small triangular patch multiband antenna for both microwave and millimeter-wave applications is presented. The designed antenna has three characteristics. The proposed antenna is a multiband, havi...

  • Article
  • Open Access
8 Citations
2,754 Views
21 Pages

Thermal Evaluation of Multi-Antenna Systems Proposed to Treat Bone Tumors: Finite Element Analysis

  • Citlalli Jessica Trujillo-Romero,
  • Juan Dionisio Merida,
  • Texar Javier Ramírez-Guzmán,
  • Raquel Martínez-Valdez,
  • Lorenzo Leija-Salas,
  • Arturo Vera-Hernández,
  • Genaro Rico-Martínez,
  • José Jesús Agustín Flores-Cuautle,
  • Josefina Gutiérrez-Martínez and
  • Emilio Sacristán-Rock

7 October 2022

Microwave ablation is commonly used in soft tissue tumors, but its application in bone tumors has been barely analyzed. Antennas to treat bone tissue (~3 cm2), has been lately designed. Bone tumors at pathological stage T1 can reach 8 cm wide. An ant...

  • Article
  • Open Access
32 Citations
5,944 Views
20 Pages

26 March 2019

This article reports an experimental investigation of the efficacy of self-flushing in the Electrical Discharge Machining (EDM) process in terms of tool wear rate (TWR), hole taper angle and material removal rate (MRR). In addition to a plain cylindr...

  • Article
  • Open Access
10 Citations
2,988 Views
19 Pages

Quad-Band 1 × 4 Linear MIMO Antenna for Millimeter-Wave, Wearable and Biomedical Telemetry Applications

  • Rakesh N. Tiwari,
  • K. Geetha Malya,
  • Girigari Nandini,
  • P. Baby Nikhitha,
  • Deepti Sharma,
  • Prabhakar Singh and
  • Pradeep Kumar

9 July 2024

In this paper, we present the design of a millimeter-wave 1 × 4 linear MIMO array antenna that operates across multiple resonance frequency bands: 26.28–27.36 GHz, 27.94–28.62 GHz, 32.33–33.08 GHz, and 37.59–39.47 GHz, f...

  • Article
  • Open Access
9 Citations
3,128 Views
18 Pages

15 January 2023

This paper presents the design and development of a new semicircular inverted triangular shaped antenna for 5G millimeter-wave wireless applications. An alternate-mixed approach based on cavity, slots and loaded stubs is employed in the designed ante...

  • Article
  • Open Access
5 Citations
2,018 Views
26 Pages

14 March 2025

In urban environments, the highly complex communication environment often leads to blockages in the link between ground users (GUs) and unmanned aerial vehicles (UAVs), resulting in poor communication quality. Although traditional reconfigurable inte...

  • Article
  • Open Access
6 Citations
2,800 Views
24 Pages

14 May 2022

A piezoelectric actuator (PEA) has the characteristics of high control precision and no electromagnetic interference. To improve the degree of freedom (DOF) to adapt to more working scenes, a piezoelectric–electromagnetic hybrid-driven two-DOF...

  • Article
  • Open Access
9 Citations
3,681 Views
15 Pages

17 March 2021

The European Standard ISO 16122-2:2015 requires that the coefficient of variation for sprayed liquid fall should not exceed 10%. Field sprayers generate a stream of liquid sprayed at an angle that depends on the design of the nozzles. Among field boo...

  • Article
  • Open Access
31 Citations
3,999 Views
15 Pages

A Shorted Stub Loaded UWB Flexible Antenna for Small IoT Devices

  • Esraa Mousa Ali,
  • Wahaj Abbas Awan,
  • Mohammed S. Alzaidi,
  • Abdullah Alzahrani,
  • Dalia H. Elkamchouchi,
  • Francisco Falcone and
  • Sherif S. M. Ghoneim

9 January 2023

In this manuscript, a compact in size yet geometrically simple Ultra-Wideband (UWB) antenna is demonstrated. The flexible-by-nature substrate ROGERS 5880, having a thickness of 0.254 mm, is utilized to design the proposed work. The antenna configurat...

  • Article
  • Open Access
7 Citations
2,773 Views
15 Pages

4 September 2020

Near-perfect resonant absorption is attained in a single-polarization single-mode photonic crystal fiber (SPSM PCF) within the long-wave infrared (LWIR) range from 10 to 11 μm. The basic PCF design is a triangular lattice-based cladding of circula...

  • Article
  • Open Access
3 Citations
1,526 Views
23 Pages

RFID Antenna Deployment Model and Anti-Collision Algorithms to Enhance Vehicle Toll System Efficiency

  • Krishna Mazumder,
  • Anumoy Ghosh,
  • Priyanka Singh,
  • Samineni Peddakrishna and
  • Jayendra Kumar

This paper proposes a standard applications of Radio Frequency Identification (RFID) system to manage vehicles at electronic toll gate system without compromising the vehicle speed. The existing electronic toll gate system has low latency as each car...

  • Article
  • Open Access
371 Views
20 Pages

A compact quad-band multiple-input multiple-output (MIMO) antenna for terahertz communications is presented in this work. The proposed antenna consists of a truncated square patch with inverted-U-shaped and C-shaped slots. The operating frequencies o...

  • Article
  • Open Access
240 Views
16 Pages

29 January 2026

This paper presents a novel broadband circularly polarized optically transparent monopole antenna using indium tin oxide (ITO) and PMMA. The proposed design successfully integrates ultra-wideband circular polarization characteristics with exceptional...

  • Article
  • Open Access
41 Citations
4,273 Views
22 Pages

Fractal Loaded, Novel, and Compact Two- and Eight-Element High Diversity MIMO Antenna for 5G Sub-6 GHz (N77/N78 and N79) and WLAN Applications, Verified with TCM Analysis

  • Tathababu Addepalli,
  • Maragani Satish Kumar,
  • Chandrasekhar Rao Jetti,
  • Naveen Kumar Gollamudi,
  • Bandi Kiran Kumar and
  • Jayshri Kulkarni

14 February 2023

A novel compact fractal loaded two- and eight-element multiple input multiple output (MIMO) with strong diversity is designed for 5G Sub 6 GHz and WLAN applications. The suggested antenna is designed and manufactured on inexpensive FR4 dielectric mat...

  • Article
  • Open Access
16 Citations
4,584 Views
18 Pages

29 January 2020

Micro-channel heat sink (MCHS) has been extensively used in various electronic cooling fields. Double-layered MCHS, or DL-MCHS, is regarded as one effective technique for high-heat-flux transfer and is expected to meet the ever-increasing heat load r...

  • Review
  • Open Access
1 Citations
1,755 Views
30 Pages

22 October 2025

Hydrodynamic cavitation usually occurs in marine and ocean engineering and hydraulic systems and may lead to destructive effects such as an enhanced drag force, noise, vibration, surface damage, and reduced efficiency. Previous studies employed sever...

  • Feature Paper
  • Article
  • Open Access
6 Citations
2,596 Views
11 Pages

A Novel Study on the Effect of Tool Offset in Friction Stir Processing for Mg-NiTi Composite

  • Nadeem Fayaz Lone,
  • Dhruv Bajaj,
  • Namrata Gangil,
  • Sohail M. A. K. Mohammed,
  • Daolun Chen and
  • Arshad Noor Siddiquee

17 November 2022

Mg-NiTi-based metal matrix composites are appropriate solutions for the two most important goals of material engineers in the present day, i.e., imparting functional behaviour and the light weighting of metallic structures. In recent years, due to it...