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63 articles for “Helical”
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Influence of Epoxy-Based Thermally Conductive Polymer Composites on the Thermo-Hydraulic Performance of Finned Helical Coil Heat Exchangers Across Flow Regimes
Abstract: The use of polymer composites in heat exchanger applications has gained increasing attention due to their advantages in weight reduction, corrosion resistance, and design flexibility. However, their relatively low thermal conductivity compared to conventional metallic materials remains a key limitation for efficient heat transfer. In this study, the thermo-hydraulic performance of a finned helical coil heat exchanger is investigated with particular focus on epoxy-based polymer composites reinforced with thermally conductive …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 586–602 Read article
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Antibiotic Resistance Patterns of Helicobacter pylori in Africa
Abstract: To eradicate Helicobacter pylori (H. pylori), antibiotic therapy must be adapted to the local resistance patterns. However, the epidemiology of drug resistance pattern of H. pylori is poorly documented in Africa. Therefore, the present review is aimed to review the prevalence of antibiotic resistant H. pylori from previous studies in Africa. A computerized English language literature search of PubMed, MEDLINE and Google Scholar was performed in January 2016. Only 11 …
Published in Research and Reviews: A Journal of Medicine · Vol. 7, Issue 1, 2017 · pp. 4–9 Read article
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The Role of Helicobacter pylori in Stomach Cancer Incidence: A Study in Rural Communities in Rajasthan
Abstract: Background: Stomach cancer remains a major global health challenge, with a particularly high burden in developing regions. Helicobacter pylori (H. pylori) infection is a known risk factor for gastric malignancy. In India, especially in rural states like Rajasthan, there is limited data on the prevalence of H. pylori and its association with stomach cancer, despite the high incidence of gastric diseases. Methods: This cross-sectional study was conducted among rural communities …
Published in Research and Reviews: A Journal of Health Professions · Vol. 15, Issue 3, 2025 · pp. 45–50 Read article
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Examining and Analyzing the Double Helical Spiral Mixer's Effectiveness
Abstract: Recent advancements in various mixing mechanisms are being leveraged in the food industry to enhance their success by ensuring product consistency fostering the development of new products and cutting down production costs the choice of mixing equipment is influenced by the types of phases being combined such as liquid-liquid solid-liquid or solid-solid and the physical properties of the final product including viscosity and density both traditional and innovative specialty mixing …
Published in International Journal of Mechanical Dynamics and Systems Analysis · Vol. 4, Issue 1, 2026 · pp. 15–24 Read article
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REVIEW OF THE DESIGN OF A GORLOV HELICAL TURBINE AND ITS POSSIBLE APPLICATION IN ELECTRICAL POWER GENERATION IN RURAL SETTLEMENTS IN NIGERIA.
Abstract: Electricity has become inaccessible in many parts of the country. The goal of this study is to create and demonstrate a possible method for solving this problem. In creating this solution, the river current is harnessed to produce clean and renewable energy for the people residing in rural settlements in Nigeria. The proposed solution is a portable, inexpensive hydrokinetic turbine and generator capable of producing a usable amount of power …
Published in Trends in Mechanical Engineering & Technology · Vol. 13, Issue 1, 2023 · pp. 28–44 Read article
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Development of vaccine against Helicobacter pylori using Bioinformatics approaches
Abstract: Helicobacter pylori (H. pylori) are a widespread kind of bacteria which flourish in the digestive tract and have a propensity to damage the stomach lining. The microbe infects around 60% of the adults globally. H. pylori infections are responsible for most of stomach and small intestine ulcers. Using Bioinformatics approaches, we have identified certain proteins that possess the resistance, essentiality and virulence factors for this pathogen. Computational tools and servers …
Published in Research and Reviews : Journal of Computational Biology · Vol. 8, Issue 3, 2019 · pp. 34–68 Read article
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A review on the Enhancing Heat Exchanger Efficiency with CuO/Water Nanofluid in a Shell and Helical Coil System
Abstract: Over the years, there has been a lot of focus on improving heat transmission by utilizing various approaches in an effort to make heat exchangers smaller and less expensive. The following methods have been found to be the most successful in increasing heat transfer rate in heat exchangers: Nano-Fluids, first (3) Rubbing heat exchanger surfaces rough. (2) Inserting fluid tabulators. However, a combination of all three approaches or any two …
Published in Trends in Mechanical Engineering & Technology Read article
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CFD Based Simulations on CL-CSP System
Abstract: The current study deals with research on CL-CSP plant system carried out analytically. The research also includes CFD based simulations among three models, mainly model 1, model 2, and model 3. Model 1 consists of straight pipe; Model 2 consists of Zig-zag pipes and Model 3 consists of helical pipes. The results were evaluated for heat flux, outlet temperature, velocity gradients, turbulent, eddy viscosity etc. under the conditions for presence …
Published in Journal of Thermal Engineering and Applications · Vol. 6, Issue 2, 2019 · pp. 24–33 Read article
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Systematic Review on: Peptic Ulcer and Its Management
Abstract: Peptic ulcer disease (PUD), which affects 5–10% of people worldwide, is still a significant global health concern. Gastric acid and pepsin's corrosive effects cause mucosal injury in the stomach, duodenum, or lower oesophagus. Long-term use of nonsteroidal anti-inflammatory drugs (NSAIDs) and Helicobacter pylori infection are the primary reasons. This review's goal is to examine PUD's aetiology, risk factors, pathophysiology, clinical symptoms, diagnostic methods, and evidence-based treatment modalities. PubMed, Google Scholar, …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 16, Issue 1, 2026 Read article
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Procedure and design of a Gear Hobbing Machine
Abstract: Making gears involves using a hobbing machine. Sprockets, gears, and splined components are cut using a hob, a specialised cutting tool, on a hobbing machine, a sort of milling device. The hob is a cylinder-shaped cutting tool with helical-shaped teeth arranged in rows. Sprockets, gears, and splined components are cut using a hob, a specialised cutting tool, on a hobbing machine, a sort of milling device. The hob is a …
Published in Trends in Mechanical Engineering & Technology · Vol. 12, Issue 2, 2022 · pp. 17–20 Read article
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Unraveling Ulcerogenesis: A Comprehensive Delve of Enteric & Nonenteric Ulcers
Abstract: Enteric ulcers present a multifaceted landscape encompassing both peptic and non-peptic varieties, demanding a thorough exploration of their manifestations, causes, and pathophysiology. At the forefront of understanding lie pivotal factors such as Helicobacter pylori infection, nonsteroidal anti-inflammatory drugs usage, lifestyle choices, and stress, each wielding significant influence over ulcer development and progression. The intricate interplay of these factors underscores the complexity of enteric ulcer etiology. Helicobacter pylori infection—a prevalent culprit—inflicts …
Published in Research and Reviews: A Journal of Medicine · Vol. 14, Issue 1, 2024 · pp. 25–40 Read article
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Enhanced Heat Transfer in Double Pipe Heat Exchanger with Circular Fins Using Copper Nanofluid and Twisted Tape Inserts: A Computational Study
Abstract: The enhancement of convective heat transfer in a double-pipe heat exchanger utilizing circular finned twisted tape inserts and helical screw-tapes with centre rods, in conjunction with copper oxide nanofluid as the heat transfer medium was studied in this project. Computational Fluid Dynamics (CFD) simulations were conducted across Reynolds numbers ranging from 500 to 5000 to analyse heat transfer characteristics. The investigation focuses on Nusselt number improvement and friction factor analysis …
Published in Journal of Thermal Engineering and Applications · Vol. 12, Issue 1, 2025 · pp. 11–22 Read article
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Harnessing Hydropower Energy Devices for Nigerian Water Bodies
Abstract: Energy consumption in Nigeria is relatively high requiring alternative sources of power generation. In order to achieve a sustainable and renewable and cheap energy production, a decentralized energy generation is the clue as long distance transmission of this energy has proven to be unstable. A closer look on Nigeria’s hydrological map suggests the inclusion of the lower river basins into the energy generation plan. This makes the construction of a …
Published in Trends in Mechanical Engineering & Technology · Vol. 13, Issue 2, 2023 · pp. 45–73 Read article
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Injection of Air Bubbles and its Effects into A Shell and Coiled Heat Exchanger: A Review
Abstract: The purpose of this research is to investigate the effects of air bubble injection on the performance of a horizontal helical shell and coiled tube heat exchanger in an experimental setting. The effects of air bubble injection with varied air flow rates on the number of thermal units (NTU), exergy loss, and efficacy are examined. In present review, a shell and snaked tube heat exchanger has been numerically considered. The …
Published in Journal of Experimental & Applied Mechanics · Vol. 12, Issue 3, 2021 · pp. 40–47 Read article
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DESIGN AND ANALYSIS OF A METAL LINED COMPOSITE OVERWRAPPED PRESSURE VESSEL
Abstract: This study presents a comprehensive investigation into the mechanical behavior of a metal lined composite overwrapped pressure vessel, designed for high-pressure storage applications. The design approach is dependent upon fiber material constants and dome shape factor. The study begins with obtaining dome coordinates and maintaining winding angles according to a geodesic path equation. Thickness estimation for the portion of cylindrical shell and domes are determined through netting analysis and cubic …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 215–232 Read article
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Performance Analysis of Graphene Reinforced Sug-ar-Alcohol Based PCM for Thermal Energy Storage System
Abstract: The thermal-conductivity of the Phase Change Materials (PCMs) of thermal heat storage systems is improved by distributing nano-particles in the basic PCM for a faster rate of heat transfer. During the charging and discharging procedures, the heat transfer properties of the newly created Sugar-Alcohol based PCM dispersed with 1.0 wt% graphene nanoparticles in a shell and helical tube storage tank were examined. The helical tube configuration caused the melting and …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 133–147 Read article
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Enhancement of Thermo-hydraulic Properties of a Novel Composite-Based Spiral Fin Tube Heat Exchanger: An Experimental Investigation
Abstract: It is now crucial for engineers to enhance procedures and boost heat exchanger efficiency. Heat exchanger performance can be significantly enhanced by a variety of methods. Composite-based fins or enlarged surfaces are frequently utilized to increase the air-side heat transfer rate in a variety of heat transfer applications. Because composite materials are lightweight, highly thermally conductive, and resistant to corrosion, they were used. A composite based fin's efficiency is influenced …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 238–251 Read article
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A Systematic Review on Peptic Ulcer Disease and its Pharmacological Treatment
Abstract: A chronic gastrointestinal condition known as Peptic Ulcer Disease (PUD) is typified by the formation of ulcers or mucosal erosions in the proximal duodenum and stomach. In the pathophysiology of PUD, the equilibrium between defensive processes like mucus and bicarbonate secretion, mucosal blood flow, and prostaglandin production, and aggressive factors such stomach acid secretion, pepsin activity, and Helicobacter pylori infection, is upset. Although stress and food have historically been blamed, …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 16, Issue 1, 2026 · pp. 76–84 Read article
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Gear-Related Stress Analysis and Comparison Between the Fem and Agma Standards
Abstract: In many different devices, gears enable the efficient transfer of motion and torque. They are an essential component of modern mechanical power transmission systems. It has been demonstrated that bending and surface contact stresses at the gear tooth are the primary causes of gear failure, despite their widespread use. Too much stress can lead to tooth wear, pitting, or breakage, which can ultimately reduce the operating life and reliability of …
Published in Trends in Mechanical Engineering & Technology · Vol. 15, Issue 3, 2025 · pp. 13–18 Read article
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Molecular Docking-Based Analysis of Rauvolfia serpentina Alkaloids Targeting HPV E1 and L1 Proteins for Antiviral Therapeutic Potential
Abstract: Human papillomavirus (HPV) is a major cause of cervical cancer and other epithelial cancers. E1 and L1 proteins are crucial to the virus's lifespan. E1 is a viral helicase that is needed for HPV DNA replication, and L1 is the main structural capsid protein that builds the virion and infects target cells. Going after these proteins is a good way to stop viruses from spreading. In this case, Rauvolfia serpentina, …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 17, Issue 1, 2026 · pp. 100–113 Read article