scholarly journals Development of outboard boat engines

2007 ◽  
Vol 128 (1) ◽  
pp. 20-42
Author(s):  
Jakub CZAJKA ◽  
Krzysztof WISŁOCKI
Keyword(s):  
Design Development ◽  
Design Features ◽  
Development Trends ◽  
Small Vessels ◽  
Engineering Characteristics ◽  
History Of

The paper presents the systematics and major engineering characteristics of outboard engines used to power small vessels. It also includes a brief outline history of the structural and design development of Polish outboard engines and their major design features. The development trends and rating of contemporary engines were pointed out.

scholarly journals Proof-of-PUF Enabled Blockchain: Concurrent Data and Device Security for Internet-of-Energy

Sensors ◽  
2020 ◽  
Vol 21 (1) ◽  
pp. 28
Author(s):  
Rameez Asif ◽  
Kinan Ghanem ◽  
James Irvine
Keyword(s):  
Hybrid Approach ◽  
Future Research ◽  
Data Provenance ◽  
Data Generation ◽  
Cyber Attack ◽  
Design Development ◽  
Seamless Integration ◽  
Device Identification ◽  
Physical Unclonable Functions ◽  
History Of

A detailed review on the technological aspects of Blockchain and Physical Unclonable Functions (PUFs) is presented in this article. It stipulates an emerging concept of Blockchain that integrates hardware security primitives via PUFs to solve bandwidth, integration, scalability, latency, and energy requirements for the Internet-of-Energy (IoE) systems. This hybrid approach, hereinafter termed as PUFChain, provides device and data provenance which records data origins, history of data generation and processing, and clone-proof device identification and authentication, thus possible to track the sources and reasons of any cyber attack. In addition to this, we review the key areas of design, development, and implementation, which will give us the insight on seamless integration with legacy IoE systems, reliability, cyber resilience, and future research challenges.

British Rail Class 58 Diesel Electric Locomotive

1986 ◽  
Vol 200 (2) ◽  
pp. 135-147 ◽  
Author(s):  
M W J Etwell
Keyword(s):  
Type Structure ◽  
Electrical Engineer ◽  
Design Development ◽  
Electric Locomotive ◽  
Design Features ◽  
Main Design ◽  
Modern Manufacturing ◽  
Manufacturing Methods

This paper outlines the basic development background of the Class 58 locomotive and main design features, with areas of design development resulting from the introduction into service in 1983–85 of the first build of thirty-five locomotives and detail changes in design being applied to the second batch of fifteen locomotives authorized in 1984. This locomotive design developed from a joint exercise between British Rail Engineering Limited (BREL) and the then Chief Mechanical and Electrical Engineer (CM and EE), British Railways Board (BRB) in 1977 which resulted in BREL fully participating in the design development to utilize modern manufacturing methods. The Class 58 was designed by BR specifically for freight duties and is based on a strength underframe with bonnet-type structure and equipment in modular assemblies.

scholarly journals The First Korean Garden in Russia

2021 ◽  
pp. 102-112
Author(s):  
Victor Kuzevanov ◽  
Alexey Ponomarev ◽  
Sergey Kalyuzhny ◽  
Yong-Shik Kim
Keyword(s):  
Science Education ◽  
International Cooperation ◽  
Climatic Conditions ◽  
State University ◽  
Design Development ◽  
Botanic Garden ◽  
Garden Design ◽  
Natural Heritage ◽  
History Of ◽  
Selection Of

The history of the first «Korean Garden» design, development and establishment within the Irkutsk State University Botanic Garden in the harsh climatic conditions of Baikalian Siberia is described. The peculiarities of the selection of plants and landscape arrangements represent this garden as a unique ethnobotanical object – the cultural and natural heritage of Korea, an ecological and humanitarian resource for science, education and international cooperation.

scholarly journals Anonymously Establishing Digital  Provenance in Reseller Chains

2021 ◽  
Author(s):  
◽  
Benjamin Philip Palmer
Keyword(s):  
Security Analysis ◽  
Security Requirements ◽  
Model Checker ◽  
Extended Version ◽  
Design Development ◽  
Provenance Information ◽  
Security Properties ◽  
History Of ◽  
Sequential Processes ◽  
A Chain

<p>An increasing number of products are exclusively digital items, such as media files, licenses, services, or subscriptions. In many cases customers do not purchase these items directly from the originator of the product but through a reseller instead. Examples of some well known resellers include GoDaddy, the iTunes music store, and Amazon. This thesis considers the concept of provenance of digital items in reseller chains. Provenance is defined as the origin and ownership history of an item. In the context of digital items, the origin of the item refers to the supplier that created it and the ownership history establishes a chain of ownership from the supplier to the customer. While customers and suppliers are concerned with the provenance of the digital items, resellers will not want the details of the transactions they have taken part in made public. Resellers will require the provenance information to be anonymous and unlinkable to prevent third parties building up large amounts of information on the transactions of resellers. This thesis develops security mechanisms that provide customers and suppliers with assurances about the provenance of a digital item, even when the reseller is untrusted, while providing anonymity and unlinkability for resellers . The main contribution of this thesis is the design, development, and analysis of the tagged transaction protocol. A formal description of the problem and the security properties for anonymously providing provenance for digital items in reseller chains are defined. A thorough security analysis using proofs by contradiction shows the protocol fulfils the security requirements. This security analysis is supported by modelling the protocol and security requirements using Communicating Sequential Processes (CSP) and the Failures Divergences Refinement (FDR) model checker. An extended version of the tagged transaction protocol is also presented that provides revocable anonymity for resellers that try to conduct a cloning attack on the protocol. As well as an analysis of the security of the tagged transaction protocol, a performance analysis is conducted providing complexity results as well as empirical results from an implementation of the protocol.</p>

TITANIC - The Design History, Forensic Analysis of the Sinking, and Aftermath

2021 ◽  
Author(s):  
Robert Forrest Roddy
Keyword(s):  
Forensic Analysis ◽  
Design History ◽  
Design Features ◽  
Paper Briefly ◽  
The World ◽  
History Of ◽  
White Star

After more than one hundred years the Titanic is still probably the most remembered ship in the world. This paper briefly discusses the history of the Titanic from why the White Star Line decided to build the Olympic class ships through the recently signed treaty protecting the ship. It is shown that many of the design features of the ship were far ahead of the rest of the industry but that some compromises were against the naval architect’s desires. A number of myths concerning the ship are dispelled. The circumstances leading up to the collision with the iceberg and the sinking of the ship are examined followed by an analysis of the sinking; the discovery of the ship; and finally after almost thirty-five years, a treaty to protect the ship.

Development Trends in Automation

2022 ◽  
pp. 160-167
Keyword(s):  
United States ◽  
21St Century ◽  
Autonomous Vehicles ◽  
The United States ◽  
Current Development ◽  
Vehicle Ownership ◽  
Development Trends ◽  
Private Vehicle ◽  
History Of ◽  
The Impact

This chapter analyzes current development trends in automation. The chapter begins by discussing the history of automation in the 21st century, beginning with Honda's creation of ASIMO. Next, the chapter analyzes how automation gave rise to the relocating of many Western manufacturing centers to Asia, particularly those in the United States. The chapter then analyzes trends in the development of autonomous vehicles. This section includes a detailed projection of likely developments over the next several decades, such as the impact of autonomous vehicles on private vehicle ownership. The chapter concludes with a brief summary of these trends.

The Basilica Transformed

2019 ◽  
pp. 199-217
Author(s):  
Robert G. Ousterhout
Keyword(s):  
Detailed Analysis ◽  
North Africa ◽  
Historical Context ◽  
Structural Systems ◽  
Design Features ◽  
History Of ◽  
Byzantine Architecture ◽  
History Of Architecture ◽  
East And West

A unique achievement in the history of architecture and the major monument of Byzantine architecture requires detailed analysis to understand its historical context, planning principles, structural systems, aesthetics, and symbolism. The Great Church was designed quickly—as some unresolved design features and structural flaws reveal—but it was intended to be unique in form and scale, meant to symbolize the dominion of the emperor Justinian, as his army reconquered lost territories in the East and West and in North Africa.

scholarly journals A Progressive Case of Eosinophilic Myocarditis Due to Eosinophilic Granulomatosis With Polyangiitis in a Caucasian Male

2020 ◽  
Vol 8 ◽  
pp. 232470962096685
Author(s):  
Valerie F. Civelli ◽  
Vishal K. Narang ◽  
Rupam Sharma ◽  
Ritika Sharma ◽  
Jessica Kim ◽  
...  
Keyword(s):  
Allergic Rhinitis ◽  
Inflammatory Process ◽  
Granulomatosis With Polyangiitis ◽  
Systemic Vasculitis ◽  
Eosinophilic Granulomatosis With Polyangiitis ◽  
Small Vessels ◽  
History Of ◽  
Eosinophilic Myocarditis ◽  
Eosinophilic Granulomatosis ◽  
Large Vessels

Vasculitis is an inflammatory process involving blood vessels of various sizes, including the small vessels in the kidneys to the large vessels, such as the aorta. This inflammatory condition is usually autoimmune in nature and is associated with involvement of many locations, such as the sinuses, lungs, kidneys, and even the heart. Specifically, eosinophilic granulomatosis with polyangiitis (EGPA) is a systemic vasculitis that may initially hide as asthma, allergic rhinitis, and/or sinusitis. However, it is known to become a lethal disease once progressed to include cardiovascular manifestations. It is important to remember EGPA as a differential for any patient with a history of asthma, allergic rhinitis, and/or sinusitis who also presents with cardiovascular complaints and eosinophilia. Treatment recommendations focus on immunosuppression in such cases. In this article, we discuss the case of a 62-year-old male, with a known history of asthma, who presented to the emergency department with concern for his chest pain and right-sided weakness. He was later diagnosed with EGPA with eosinophilic myocarditis. Diagnosis and treatment are described.

FT4A Gas-Turbine Engine for Marine and Industrial Applications

1964 ◽  
Author(s):  
C. L. Carlson
Keyword(s):  
Power Plant ◽  
Gas Turbine ◽  
Field Experience ◽  
Gas Turbine Engine ◽  
Industrial Applications ◽  
Design Features ◽  
Turbine Engine ◽  
History Of

The major design features of the FT4A gas-turbine engine for marine and industrial applications are described, the development-test history of the engine is reviewed, and the field experience with this and similar engine concepts is discussed. In addition, the particular characteristics of the FT4A power plant which make the latter attractive for various applications are mentioned.

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