H
Hubertus Murrenhoff
Researcher at RWTH Aachen University
Publications - 340
Citations - 1674
Hubertus Murrenhoff is an academic researcher from RWTH Aachen University. The author has contributed to research in topics: Piston & Fluid power. The author has an hindex of 16, co-authored 340 publications receiving 1483 citations. Previous affiliations of Hubertus Murrenhoff include Korea Institute of Science and Technology & Institute of Food and Agricultural Sciences.
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Measurement of Effective Bulk Modulus for Hydraulic Oil at Low Pressure
Sunghun Kim,Hubertus Murrenhoff +1 more
TL;DR: In this article, the authors verified the theoretical equation for effective bulk modulus based on measurements of pressure change as a function of volume change at low pressures, varying temperature, entrained air content, and type of state change.
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Reducing Fuel Consumption in Hydraulic Excavators—A Comprehensive Analysis
TL;DR: In this paper, 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.
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Modelling and dynamics of a servo-valve controlled hydraulic motor by bondgraph
K. Dasgupta,Hubertus Murrenhoff +1 more
TL;DR: In this paper, a model of a closed-loop servo-valve controlled hydro-motor drive system has been made using Bondgraph simulation technique (Thoma, 1990) and the validation of the model is obtained first by the established results of Gordic et al., 2004.
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Biodegradability testing of synthetic ester lubricants--effects of additives and usage.
TL;DR: The optimised biodegradability test system "O2/CO2 Headspace Test with GC-TCD" is used for the assessment of synthetic ester lubricants and the results clearly show that the mineral oil is far lessBiodegradable than the ester oils and that their biodegradation is not affected by usage.
STEAM – a hydraulic hybrid architecture for excavators
TL;DR: In this article, the authors present a new hydraulic system for mobile machinery called STEAM, which aims to reduce both the hydraulic system losses as well as those of the internal combustion engine by using a hybrid hydraulic architecture with accumulators.