Energiemanagement im Kraftfahrzeug

Liebl, Johannes; Lederer, Matthias; Rohde-Brandenburger, Klaus; Biermann, Jan-Welm; Roth, Martin; Schäfer, Herbert

doi:10.1007/978-3-658-08531-5

Cited by 9 publications

(3 citation statements)

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“…According to Refs. [157] and [178], adaptions in gear ratio and displacement to maintain driving performance after decreasing weight could double the achievable fuel reduction for ICEs in the standardized NEDC test. Delogu and Del Pero et al derive primary and secondary improvements in the use stage for different vehicle classes and test procedures for both gasoline and diesel vehicles [161,164].…”

Section: Automotivementioning

confidence: 99%

Life cycle engineering of lightweight structures

et al. 2018

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Lightweight structures are increasingly necessary to meet current engineering requirements. Weight reduction in diverse applications such as automobiles or machine tools is achieved either by using less material or by substituting material with a lighter one, which provides more functionality per unit of weight. To be an effective enabler for sustainability, lightweight structures should result in lower environmental impacts per functional unit when compared to conventional structures on a life cycle basis. However, applying new materials and manufacturing processes often leads to an increase in environmental impacts from the raw materials and production stage of the life cycle. Furthermore, end-of-life disassembly and recycling may become more difficult. In addition, the expected efficiency gains from the use of lightweight structures depend on how the overall market and technical systems respond to them. Consequently, the environmental evaluation of lightweight structures in engineering entails various methodological challenges. Organised around a life cycle engineering framework with a focus on eco-effectiveness, this paper provides a comprehensive review of lightweight structure applications and the challenges and opportunities they present in a life cycle engineering context.

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Section: Automotivementioning

confidence: 99%

Life cycle engineering of lightweight structures

et al. 2018

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“…This has led to increased costs According to Rohde-Brandenburger, in the case of a turbocharged diesel engine, the Willans approximation can be expressed as follows [8]:…”

Section: Enginementioning

confidence: 99%

“…The Willans approximation, illustrated in Figure 3b, is another method of plotting engine performance and reveals some interesting aspects that are not so evident from the contour plotted efficiency map [8]. The fuel consumption .…”

Section: Enginementioning

confidence: 99%

Reducing Fuel Consumption in Hydraulic Excavators—A Comprehensive Analysis

2017

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Mobile machines, especially excavators, still consume considerable amounts of fuel during their operating lifetimes. This is not only undesirable in economic terms but also adversely affects our environment. The following paper discusses methods to lower fuel consumption by conducting a comprehensive analysis of the components comprising a hydraulic excavator and the cycles these machines perform. One of the main aims is to emphasise that a design centred on the standard definitions of efficiency, especially hydraulic efficiency, can be rather misleading. A new approach using a novel fuel consumption model, based on the Willans approximation, coupled with the concepts of fixed and variable fuel consumption is introduced and validated using real test data obtained from an 18 t excavator. The new methodology can be used to help uncover simpler methods to improve today's machines.

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