Results 41 to 50 of about 61,629 (315)

Simulation and optimization of the casting process for a new commercial Al-4Cu-0.3Mg-0.25Mn-0.05Ag alloy cylinder head

open access: yesJournal of Materials Research and Technology
The cylinder head have a complex internal structure and significant variation in wall thickness. Consequently, the corresponding casting process poses challenges in design.
Fei Li   +5 more
doaj   +1 more source

Combustion and Performance Characteristics of CI Engine Running with Biodiesel

open access: yes, 2013
Biodiesel is one of the alternative fuels which is renewable and environmentally friendly and can be used in diesel engines with little or no modifications.
Gu, Fengshou   +8 more
core   +1 more source

From Material Tensions to Organizational Paradoxes: How Manufacturers Cope With the Limits of Circular Product Design

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Circular product design (CPD) is central to advancing the circular economy by enabling the narrowing, slowing, and closing of resource flows. Yet, its implementation remains persistently challenging for firms. Prior research has largely framed these challenges as discrete barriers, overlooking the structural contradictions embedded in CPD ...
Vanessa Robertson   +2 more
wiley   +1 more source

A Novel Modular Multi-Unit Cell Permanent Magnet Thrust Bearing with Bionic Design and Load-Carrying Capacity Analysis

open access: yesApplied Sciences
Permanent magnet thrust bearings have garnered significant attention due to their high rotational speeds, low noise levels, and excellent vibration-damping performance.
Xiangdong Yu   +6 more
doaj   +1 more source

Diesel engine heat release analysis by using newly defined dimensionless parameters [PDF]

open access: yes, 2014
This thesis was submitted for the degree of Doctor of Philosphy and awarded by Brunel UniversityDiesel engine combustion has been studied during the last decades by researchers in terms of improving the performance of the engine.
Abbaszadehmosayebi, Gholamreza
core  

Combustion Characteristics of CI Engine Running with Biodiesel Blends

open access: yes, 2011
Biodiesel is one of the promising renewable, alternative and environmentally friendly biofuels that can be used in diesel engine with little or no modification in the engine.
Gu, Fengshou   +11 more
core   +1 more source

Driving Change Together: How Innovative Communication Powers Electrification in the Automotive Industry

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This paper examines how organizations in the automotive sector respond to the internal communication challenges posed by the transition to electric vehicle production. Unlike typical organizational change, electrification is driven not only by market forces but also by sociopolitical and regulatory pressures to reduce carbon emissions and ...
Tobias Hein   +2 more
wiley   +1 more source

Diesel Engine Valve Clearance Detection Using Acoustic Emission

open access: yes, 2010
This paper investigated, using experimental method, the suitability of acoustic emission (AE) technique for the condition monitoring of diesel engine valve faults.
Gu, Fengshou   +7 more
core   +1 more source

Beyond Compliance: The Role of Climate Policy Stringency and Financial Institutions in Cleantech Startup Entry

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study examines how environmental regulations can drive technological change, drawing on the innovation systems perspective and the strong Porter hypothesis (SPH). The SPH suggests that well‐designed stringent regulations can foster innovation and enhance firm competitiveness, performance, and survival, yet prior research remains largely ...
Muhammad Zubair Khan   +3 more
wiley   +1 more source

Oxidative Fast Pyrolysis Enabling Autothermal Production of Porous Functionalized Biochar and Anhydrosugar/Phenol‐Rich Bio‐Oil From Biomass

open access: yesCarbon Energy, EarlyView.
Oxidative fast pyrolysis of biomass enables autothermal production of value‐added products. ABSTRACT Oxidative fast pyrolysis can potentially overcome the heat‐supply bottleneck of conventional fast pyrolysis by enabling autothermal operation while also tailoring product quality through controlled oxygen addition.
Bin Li   +15 more
wiley   +1 more source

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