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Dive into the research topics where Nicholas Lemke is active.

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Featured researches published by Nicholas Lemke.


Archive | 2018

Verbrauchsbestimmung von Kälteund Wärmepumpenkreisläufen durch hochdynamische Verdichtermessungen gekoppelt mit Echtzeitsimulationen

Manuel Gräber; Nicholas Lemke; Wilhelm Tegethoff

Der Verdichter in Kalte- oder Warmepumpenkreislaufen ist haufig der groste energetische Nebenverbraucher in Fahrzeugen. Die Bestimmung des genauen Anteils am Kraftstoffverbrauch ist allerdings schwierig, da dieser von zahlreichen Randbedingungen abhangt. Bedingt durch die langsame Dynamik der thermischen Speicher in einem Fahrzeug genugt es nicht, ausschlieslich stationare Betriebspunkte zu betrachten. Um realistische Aussagen zum Kraftstoffmehrverbrauch durch den Verdichter zu treffen, ist die Berucksichtigung des transienten Verhaltens des Gesamtsystems wichtig. Hierzu kann mit der im Folgenden vorgestellten Methode ein wichtiger Beitrag geleistet werden.


Archive | 2002

CO2-module for cooling and heating

Juergen Koehler; Nicholas Lemke


international conference on thermoelectrics | 2009

Modeling a Thermoelectric HVAC System for Automobiles

C. S. Junior; N. C. Strupp; Nicholas Lemke; J. Koehler


Archive | 2008

Modeling and Simulation of a Thermoelectric Heat Exchanger using the Object-Oriented Library TIL

Christine Susanne Junior; Christoph Richter; Wilhelm Tegethoff; Nicholas Lemke; Jürgen Köhler


Archive | 2013

Ejector for refrigerant circuit of heat pump, has drive flow nozzle, which has opening in wall, where hole closer is arranged on wall, and opening is opened in position of hole closer

Christian Tischendorf; Wilhelm Tegethoff; Nicholas Lemke


Archive | 2012

Secondary Loop System for Automotiv HVAC Units Under Different Climatic Conditions

Nicholas Lemke; Julia Laura Lemke; Juergen Koehler


Archive | 2016

Transient Experimental and 3D-FSI Investigation of Flapper Valve Dynamics for Refrigerant Compressors

Nicholas Lemke; Michael König; Jakob Hennig; Sven Försterling; Jürgen Köhler


international conference on control and automation | 2018

Selection of Decoupling Control Methods Suited for Automated Design for Uncertain TITO Processes

Michael Noeding; Julius Martensen; Nicholas Lemke; Wilhelm Tegethoff; Juergen Koehler


53rd AIAA/SAE/ASEE Joint Propulsion Conference | 2017

Numerical Flow Simulation of Heat Recuperation in the Exhaust Section of a Turbofan Engine

Christoph Bode; Jens Friedrichs; Fabian Ahrendts; Nicholas Lemke; Jürgen Köhler; Dragan Kozulovic


Archive | 2008

Transient Modelling of a Controllable Low Pressure Accumulator in CO2 Refrigeration Cycles

Marcos Bockholt; Wilhelm Tegethoff; Nicholas Lemke; Nils-Christian Strupp; Christoph Richter

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Wilhelm Tegethoff

Braunschweig University of Technology

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Juergen Koehler

Braunschweig University of Technology

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Jürgen Köhler

Braunschweig University of Technology

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Christoph Richter

Braunschweig University of Technology

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C. S. Junior

Braunschweig University of Technology

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Christian Tischendorf

Braunschweig University of Technology

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Christoph Bode

Braunschweig University of Technology

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J. Koehler

Braunschweig University of Technology

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Jens Friedrichs

Braunschweig University of Technology

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