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CFD Analysis of Heat Transfer Enhancement of Shell Side Fluid Flow Over Inline, Non-circular Leading-Edge Wing Shape Tube
Springer Science and Business Media LLC - Tập 8 - Trang 27-40 - 2022
The objective of the present numerical analysis is to study heat transfer rate and pressure drop characteristic of the fluid flowing over the inline arrangement of novel leading edge (narrow part of the tube cross-section face upstream side) wing-shaped tube bundle which is compared with the inline arrangement of the trailing edge (narrow part of the tube cross-section face downstream side) wing-s......
Predicting the Spread of COVID-19 Using $$SIR$$ Model Augmented to Incorporate Quarantine and Testing
Springer Science and Business Media LLC - Tập 5 - Trang 141-148 - 2020
India imposed a nationwide lockdown from 25th March 2020 onwards to combat the spread of COVID-19 pandemic. To model the spread of a disease and to predict its future course, epidemiologists make use of compartmental models such as the
$$SIR$$
model. In order to address some of the assumptions of the standard
$$SIR$$
model, a new modified version of
$$SIR$$
model is proposed in this paper......
Creep Behavior of Core (Metal)–Shell (Metallic Glass) Structure: a Molecular Dynamics Simulation Study
Springer Science and Business Media LLC - Tập 7 - Trang 405-410 - 2021
Core–shell structures have gained importance due to the multifunctional nature achieved by the combined properties of the core and shell. In the present study, the creep behavior of the Cu (core)–Cu50Zr50 metallic glass (shell) structure has been investigated using molecular dynamic simulations. Embedded atom method potential is used to model the interactions between Cu and Zr atoms. Model size of......
Các hợp kim tản mát cao cấp: Vật liệu thế hệ tiếp theo Dịch bởi AI
Springer Science and Business Media LLC - - Trang 1-17 - 2023
Nghiên cứu về các hợp kim tản mát cao (HEAs) đã nổi lên như một lĩnh vực đang phát triển mạnh mẽ trong vài năm qua. Nhờ vào cách tiếp cận thiết kế độc đáo liên quan đến nhiều nguyên tố chính, HEAs sở hữu cấu trúc vi mô độc đáo và tính chất ấn tượng. Qua nhiều năm, nhiều hệ thống HEA đã được báo cáo với sự kết hợp giữa sức mạnh và độ dẻo tốt nhất, độ cứng cao, tính ổn định nhiệt, khả năng chống mỏi......
Recycling Scrap Tire-Derived Fibers in Concrete
Springer Science and Business Media LLC - Tập 7 - Trang 207-217 - 2021
This paper describes results of several studies undertaken by the authors in the bid to valorize both Scrap Tire Polymeric Fiber (SPF) and Scrap Tire Steel Fiber (SSF) as value-added reinforcements in cement-based composites. Current scrap tire by-product management practices, fiber characteristics, and their influence on the plastic shrinkage cracking and the mechanical post-crack response of cem......
Application of Geospatial Technologies in the COVID-19 Fight of Ghana
Springer Science and Business Media LLC - Tập 5 - Trang 193-204 - 2020
The SARS-CoV-2 infections continue unabated in Ghana and globally. The identification of country dynamics of the virus, its spread, and country-specific interventions in tackling the menace including the application of geospatial technologies. This research sought to highlight the use of geospatial technologies in the fight against COVID-19 in Ghana with best practices from China where the infecti......
Effect of Stress and Temperature on Rupture Life of Dissimilar Weld Joint of Austenitic 316LN SS and Ferritic-Martensitic P91 Steel
Springer Science and Business Media LLC - - 2022
Dissimilar weld joint of P91 steel-316LN SS is widely used in power plants and is mainly subjected to creep. Creep studies for such dissimilar weld joint were carried out at two test temperatures i.e. 550 °C and 600 °C. The samples were tested under the stress levels ranging from 80 to 220 MPa. Creep life increased with decrease in applied stress at both the test temperatures. The creep life obtai......
Design Concepts for NiTiNOL Wires to Function as a Sensor
Springer Science and Business Media LLC - Tập 6 - Trang 523-531 - 2021
Nickel Titanium Naval Ordinance Laboratory (NiTiNOL) is widely called as a shape memory alloy (SMA), a class of nonlinear smart material inherited with the functionally programmed property of varying electrical resistance during the transformation enabling to be positioned as a sensing element. The major challenge to instrument the SMA wires is to suppress the wires’ nonlinearity by proper selecti......
Anthropometric Assessment of Heavy-Duty Driver Postures Using RULA Method
Springer Science and Business Media LLC - Tập 8 - Trang 617-623 - 2023
Traffic accidents are largely caused by driver ergonomic issues and musculoskeletal disorders (MSDs) associated with driving. One of the most crucial factors that must be taken into account while designing the driving environment is the driver's posture. Numerous research on the driver ergonomics of different classes of vehicles has been conducted all around the world. However, there are not many ......
A Way Forward in Waste Management of Red Mud/Bauxite Residue in Building and Construction Industry
Springer Science and Business Media LLC - Tập 5 - Trang 437-448 - 2020
In the Bayer’s process of extracting alumina from bauxite using caustic soda, the waste generated is called as red mud/bauxite residue. About 1–2.5 tonne of bauxite residue is generated per tonne of alumina produced depending upon the bauxite and process conditions used. It is generally stockpiled into the red mud ponds situated near the industrial area and is highly alkaline which is a matter of ......
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