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288 articles for “tube”
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Investigation of Forced Convection Heat Transfer Efficiency Using Cuo/Water Nanofluid in A Concentric Tube Heat Exchanger with Helical Coiled Insert
Abstract: An apparatus that uses nanofluid to transport heat is called a heat exchanger. This uses a nanofluid as the working fluid. One can make nanofluid hanging nanoparticles in liquids such as petroleum products, water, oil, ethylene glycol, fluorocarbons, etc. Forced convection heat transfer using CuO/water as a Nanofluid and distilled water as the base fluid has been examined in a concentric tube heat exchanger with helical coiled insert. Tests on …
Published in Journal of Experimental & Applied Mechanics · Vol. 15, Issue 2, 2024 · pp. 27–41 Read article
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Thermal Management of Different Composites Materials Using a Convergent and Straight Vortex Tube
Abstract: The present study focuses on an in-depth and meticulous exploration into the intricate realm of thermal management in three distinct yet widely utilized composite materials—namely, Liquid Crystal Polymer (LCP) Composites, Glass Fiber Reinforced Polymers (GFRPs), and Aramid Fiber Composites (Kevlar). This investigation employs an innovative counter-flow vortex tube system, meticulously analyzing and comparing the thermal efficiency of these materials under different intake configurations. Specifically, two distinct geometrical intake designs—a straight …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 252–266 Read article
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AI in Healthcare: Drug Delivery in Tuberculosis
Abstract: Tuberculosis (TB) , mainly caused by Mycobacterium tuberculosis, remains a major global health burden, accounting for millions of new infections and deaths each year. Although progress has been made in diagnosis and treatment, the growing threat of multidrug-resistant (MDR) and extensively drug-resistant (XDR) TB makes disease control increasingly difficult. Conventional diagnostic approaches such as chest X-rays, sputum smear microscopy, and culture methods continue to play an important role, but they …
Published in Trends in Drug Delivery · Vol. 13, Issue 1, 2026 · pp. 9–17 Read article
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Design and Analysis of Vortex Tube
Abstract: AbstractNowadays refrigeration plays a vital role in our day to day life for the preservation of food, medicine, and air conditioning. In the current situation conventional refrigeration system most of the time uses freon as a refrigerant. Which is mainly responsible for the depletion of the ozone layer and hence it indirectly affects the health of the human being. To overcome all these difficulties vortex tube can be used as …
Published in Journal of Thermal Engineering and Applications · Vol. 7, Issue 2, 2020 · pp. 30–36 Read article
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Evaluate the effectiveness of nurse led interventions on knowledge and practice regarding nursing care of chest tube drainage among nursing personnel’s working at medical and surgical wards of PGIMS Rohtak Haryana
Abstract: Introduction: The present study was conducted to determine the nursing personnel’s level of knowledge and practice the care of chest tube drainage to improve the quality of nursing care. A chest tube insertion is surgical procedure in which a hollow, flexible drainage tube is inserted through the side of the chest into the plural space in order to drain the plural cavity air, blood, pus or lymph. The water seal …
Published in Research and Reviews: A Journal of Health Professions · Vol. 13, Issue 3, 2023 · pp. 84–90 Read article
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Early Postoperative Outcome of Primary Closure versus T-Tube Drainage of Common Bile Duct after Open Choledocholithotomy
Abstract: Background: Choledocholithiasis is the formation of stones in the common bile duct (CBD). These stones are removed by performing CBD exploration and the closure can be done over T-tube or primarily without T-tube. The method of T-tube drainage comes with many complications and hence, nowadays, there is tendency to close CBD primarily to avoid the tube-related complications. Aims: To compare the early postoperative outcome of primary closure versus T-tube drainage …
Published in Research and Reviews : Journal of Surgery · Vol. 8, Issue 1, 2019 · pp. 13–18 Read article
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Computer-Aided Drug Design on Tuberculosis
Abstract: Currently, India's Directly Observed Treatment Short Course (DOTS) program is the world's largest and fastest-growing initiative for treating medical patients, second only in terms of population coverage. The main obstacles to TB control in India are inadequate primary healthcare in rural regions of many states, unregulated private treatments resulting in extensive misuse of first- and second-line TB medications, the spread of HIV, a lack of political commitment, and, most importantly, …
Published in Research and Reviews : A Journal of Immunology · Vol. 14, Issue 2, 2024 · pp. 22–31 Read article
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The Role of Polymer Chemistry in Developing a Novel Polymer-Based Retromolar Endotracheal Tube
Abstract: This study presents the development and characterization of a novel polymer-based modified endotracheal tube designed for retromolar intubation. The tube is manufactured using medical-grade polyvinyl chloride (PVC) with reinforced polymeric structures to enhance flexibility while maintaining lumen integrity. The incorporation of a preformed lateral curvature mitigates airway resistance and airflow reduction caused by manual bending, ensuring an optimal balance between rigidity and adaptability. Additionally, the integration of polymer-based ligature wires …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 14–20 Read article
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Thermo-Hydraulic Enhancement of Annular Finned Shell-and-Tube Heat Exchangers Using Epoxy-Based Polymer Composites: A Material–Geometry Coupled CFD Investigation
Abstract: Shell-and-tube heat exchangers remain a backbone of industrial thermal systems, yet their performance is often limited by relatively low shell-side heat transfer and the weight and cost associated with conventional metallic components. In this context, the integration of polymer composite materials offers a promising pathway toward lightweight, corrosion-resistant, and performance-tunable heat exchanger designs. The present study investigates the thermo-hydraulic performance of a straight-tube shell-and-tube heat exchanger equipped with annular fins, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 669–684 Read article
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Concept of Pulmonary Tuberculosis in Greco-Arab (Unani) Medicine
Abstract: Tuberculosis, one of the oldest diseases known to effect humans have preceded recorded history since the changes of spinal tuberculosis in the skeleton of a Neolithic man was described. The development of Greek medicine (Unani medicine) has been the hallmark in the history of medicine and it was with this civilization of ancient Greece that the history of tuberculosis really begins. Hippocrates (460–375 BC) owes to the medicine the art …
Published in Research & Reviews : A Journal of Unani, Siddha and Homeopathy · Vol. 7, Issue 2, 2020 · pp. 1–9 Read article
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Review paper on Design and Development of Miniature Moving Magnet Pulse Tube Cryocooler
Abstract: Developing a miniature moving magnet pulse tube cryocooler to address the limitations in existing cryocooler technologies, especially in terms of compactness, lightweight design, durability, and maintenance-free operation, aligns with the demands of modern applications, particularly in space and similar environments. Integrating a miniature compressor and motor is essential for the functionality of the cryocooler. The design should prioritize efficiency and reliability while addressing challenges related to vibrations and maintenance commonly …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 194–205 Read article
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Optimizing Heat Transfer Performance in CO2 Finned-Tube Gas Coolers: A Comparative CFD Study of Design Variations
Abstract: Computational fluid dynamics (CFD) simulations and mathematical analysis are used in this study to examine the heat transfer efficiency of CO2 fined tube gas coolers. To maximize heat transfer efficiency, CFD simulations were carried out on a variety of gas cooler designs with variable fin geometry, including offset strip fins, using the ANSYS Fluent program. Under the baseline design, there was a finned tube cooler measuring 610 mm in length, …
Published in Recent Trends in Fluid Mechanics · Vol. 11, Issue 3, 2024 · pp. 1–13 Read article
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A Review on Shell and Tube Heat Exchanger Design Optimization
Abstract: Shell and Tube Heat Exchangers are extensively used throughout the process industry. The design optimization of S&T Heat Exchanger involves the consideration of many interacting design parameters which can be summarized as Process fluid allocation to shell side or tube side, setting pressure drop design limitation, setting velocity limits, fouling coefficients, selection of type of heat exchanger, layout as per TEMA and number of passes. Different Tube parameters like size, …
Published in Trends in Machine design · Vol. 5, Issue 2, 2018 · pp. 42–53 Read article
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Prevalence of Adverse Drug Reactions and Risk Factors Associated with first Line Anti- Tuberculosis Drugs
Abstract: Background: The recommended first line treatment of active tuberculosis (TB) consists of rifampicin (R), isoniazid (H), ethambutol (E) and pyrazinamide (Z). The regimen is highly effective in treating active TB however it is associated with various adverse drug reactions (ADRs) posing undeniable challenges to therapy success. Objectives: To determine the prevalence of ADRs and risk factors associated with first-line anti-tuberculosis medications. Methods: A quantitative cross-sectional descriptive study conducted at the …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 12, Issue 2, 2022 · pp. 9–16 Read article
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Stress based topology optimization of axial tubes under impact to improve energy absorption
Abstract: The present study is aimed at designing a stress constrained topology optimized tube to improve the specific energy absorption (SEA) and reduce the peak crushing force. The research was aimed to develop an axial tube to withstand high impact loads thus improving the crash worthiness of the structure. Crash analysis of a 3D deformable circular tube having different thickness of 0.5 mm, 1 mm, 1.5 mm and 2 mm with …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 210–220 Read article
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Complex Tuberculous Meningitis: A Case Series Highlighting Rare Co-infections and Severe Complications
Abstract: This case series presents two complex cases of tuberculous meningitis (TBM) with different complications, illustrating the diverse clinical presentations and management challenges of this disease. Case 1 involves an 18-year-old female with TBM complicated by cryptococcal co-infection, while Case 2 describes a 64-year-old female with TBM complicated by obstructive hydrocephalus and secondary bacterial infections. Both patients had been on anti-tubercular therapy before presentation. Diagnostic approaches included cerebrospinal fluid analysis, cultures, …
Published in International Journal of Pathogens · Vol. 1, Issue 2, 2024 · pp. 1–7 Read article
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Numerical Investigation on Concrete Filled Steel Tube Composite Circular Columns Under General Loading
Abstract: Concrete-filled steel tube (CFST) composite columns are extensively utilized in civil engineering constructions because of their numerous structural advantages, such as superior seismic performance, high load- bearing capacity, fire resistance, remarkable ductility, and ability to absorb energy effectively, especially in areas prone to seismic activity. CFST columns are employed in tall buildings and bridges to enhance rigidity and increase bearing capacity, but their behavior can be affected by buckling. There …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 164–199 Read article
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Hybrid Composite Behavior of Concrete-Filled Steel Tube (CFST) Columns: Review of Collapse Mechanisms and Polymer-Based Enhancements
Abstract: Concrete-Filled Steel Tube (CFST) columns are an advanced hybrid composite system where the steel tube's confinement and the concrete core's load capacity work together to improve structural performance. While commonly used in civil engineering, CFSTs can also be understood within the framework of composite materials, similar to polymer- and fiber-reinforced composites, in which interactions between phases determine strength, ductility, and failure modes. This review compiles experimental and numerical research on …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 78–97 Read article
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A Taguchi approach for determination of parametric dependence in absorber tube of parabolic trough solar collector with roughened surfaces
Abstract: The Taguchi experimental design approach is used in this study to offer the ideal design parameters for the absorber tube with roughened surfaces. In order to determine parametric dependence, passive heat transfer augmentation strategies have been used in the parabolic trough receiver in this article by applying the Taguchi approach. So, for better understanding, two case studies are analyzed using two augmentation technique i.e., wire coil and twisted tape inserts. …
Published in Journal of Thermal Engineering and Applications · Vol. 9, Issue 2, 2022 · pp. 40–47 Read article
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Numerical Analysis of Tube Fitted with Internal Baffles used in STHEx
Abstract: A numerical simulation was carried out for heat transfer in a circular tube fitted with rectangular internal baffles using CFD software. The Reynolds number and Prandtl number were varied in the range from 20 to 2000. In-house CFD solver is used for solving Navier-Stoke’s equation coupled with energy equation for internally fitted baffles as a computational domain. The baffles are attached alternately up and down equally spaced on the walls …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 3, 2018 · pp. 46–54 Read article