Search Results - "Grune, J."

Experiments on combustion regimes for hydrogen/air mixtures in a thin layer geometry by Kuznetsov, M., Grune, J.

“…A series of experiments in a thin layer geometry performed at the HYKA test site of the KIT. Experiments on different combustion regimes for lean and…”
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Experimental investigation of unconfined spherical and cylindrical flame propagation in hydrogen-air mixtures by Grune, J., Sempert, K., Kuznetsov, M., Jordan, T.

“…This paper presents results of experimental investigations on spherical and cylindrical flame propagation in pre-mixed H2/air-mixtures in unconfined and…”
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Experimental investigation of flame and pressure dynamics after spontaneous ignition in tube geometry by GRUNE, J, SEMPERT, K, KUZNETSOV, M, JORDAN, T

“…Spontaneous ignition processes due to high pressure hydrogen releases into air are known phenomena. The sudden expansion of pressurized hydrogen into a pipe,…”
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Experimental study of ignited unsteady hydrogen releases from a high pressure reservoir by Grune, J., Sempert, K., Kuznetsov, M., Jordan, T.

“…In order to simulate an accidental hydrogen release from the high pressure pipe system of a hydrogen facility a systematic study on the nature of transient…”
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Hydrogen combustion experiments in a vertical semi-confined channel by Friedrich, A., Grune, J., Sempert, K., Kuznetsov, M., Jordan, T.

“…Experiments in an obstructed semi-confined vertical combustion channel with a height of 6 m (cross-section 0.4 × 0.4 m) inside a safety vessel of the hydrogen…”
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Concentration measurements in a round hydrogen jet using Background Oriented Schlieren (BOS) technique by Kotchourko, N., Kuznetsov, M., Kotchourko, A., Grune, J., Lelyakin, A., Jordan, T.

“…The current work is devoted to the development and the usability evaluation of the technique for the concentration measurements based on the Background…”
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Laminar burning velocities of hydrogen-oxygen-steam mixtures at elevated temperatures and pressures by Kuznetsov, M., Redlinger, R., Breitung, W., Grune, J., Friedrich, A., Ichikawa, N.

“…Effects of elevated temperatures (up to 573K) and pressures (up to 72bar) on the laminar flame velocity of hydrogen-oxygen-steam mixtures were studied both…”
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Experimental investigation of hydrogen–air deflagrations and detonations in semi-confined flat layers by Grune, J., Sempert, K., Haberstroh, H., Kuznetsov, M., Jordan, T.

“…This paper presents results of an experimental investigation on the deflagration and deflagration-to-detonation transition (DDT) in an obstructed (blockage…”
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Experimental study of ignited unsteady hydrogen jets into air by Grune, J., Sempert, K., Kuznetsov, M., Breitung, W.

“…In order to simulate an accidental hydrogen release from the low pressure pipe system of a hydrogen vehicle a systematic study on the nature of transient…”
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Experimental investigation of fast flame propagation in stratified hydrogen–air mixtures in semi-confined flat layers by Grune, J., Sempert, K., Kuznetsov, M., Jordan, T.

“…This paper presents results of an experimental investigation on fast flame propagation and the deflagration-to-detonation transition (DDT) and following…”
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Lack of adipose tissue lipolysis protects against pressure overload-induced heart failure by Foryst-Ludwig, A, Salatzki, J, Brix, S, Ban, Z, Grune, J, Klopfleisch, R, Rothe, M, Kershaw, E, Kintscher, U

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Flammability limits and laminar flame speed of hydrogen–air mixtures at sub-atmospheric pressures by Kuznetsov, M., Kobelt, S., Grune, J., Jordan, T.

“…Hydrogen behavior at elevated pressures and temperatures was intensively studied by numerous investigators. Nevertheless, there is a lack of experimental data…”
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Detonation wave propagation in semi-confined layers of hydrogen–air and hydrogen–oxygen mixtures by Grune, J., Sempert, K., Friedrich, A., Kuznetsov, M., Jordan, T.

“…This paper presents results of an experimental investigation on detonation wave propagation in semi-confined geometries. Large scale experiments were performed…”
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Laser beam melting of aluminum alloys with hull‐core build strategy by using an initial meso‐scale simulation by Grüne, J.G., Knoop, D., Domagala, T., Hehl, A.

“…Laser beam melting (LBM) of aluminum alloys is gaining a wide popularity in different industrial applications as an alternative technology for the production…”
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(411) - Ultrasound Assessment of Pulmonary Artery Stiffening Associated with Pulmonary Hypertension in Left Heart Disease by Kucherenko, M.M., Kukucka, M., Sang, P., Hegemann, N., Hennig, F., Yeter, R., Gransar, T., Mladenow, A., Emmerich, A., Orsenigo, A., Grune, J., Falk, V., Kuebler, W.M., Knosalla, C.

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P1485Changes of regional myocardial deformation induced by serelaxin reflect gene regulation in experimental heart failure model by Lapinskas, T., Grune, J., Meyborg, H., Kintscher, U., Gebker, R., Pieske, B., Kelle, S., Stawowy, P.

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P2842Extracellular matrix turnover influences myocardial contraction behavior in diabetic cardiomyopathy assessed by two-dimensional speckle-tracking echocardiography by Pappritz, K, Grune, J, Klein, O, Dong, F, El-Shafeey, M, Lin, J, Tschoepe, C, Van Linthout, S

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Critical conditions of hydrogen-air detonation in partially confined geometry by Rudy, W., Kuznetsov, M., Porowski, R., Teodorczyk, A., Grune, J., Sempert, K.

“…This work presents the results of the large scale experiments with detonation propagating in hydrogen–air mixtures in partially confined geometries. The main…”
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P6129Changes in Global Longitudinal Strain during early cardiac disease development - insights from the lab by Beyhoff, N., Grune, J., Brix, S., Klopfleisch, R., Foryst-Ludwig, A., Krannich, A., Stawowy, P., Knebel, F., Kintscher, U.

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Flammability limits and laminar flame speed of hydrogen—air mixtures at sub-atmospheric pressures : Hydrogen safety by KUZNETSOV, M, KOBELT, S, GRUNE, J, JORDAN, T

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