Results 51 to 60 of about 252,127 (151)

Experimental and Numerical Investigation of the Outer Ring Cooling Concept in a Hybrid and in an All-Steel Ball Bearing Used in Aero-Engines by the Introduction of a Helical Duct

Aerospace, 2018
Rolling element bearings for aero engine applications have to withstand very challenging operating conditions because of the high thermal impact due to elevated rotational speeds and loads.
Michael Flouros, Peter Gloeckner, Markus Hirschmann, Matthias Martin, Francois Cottier, Dimitra Papailia   +5 more
doaj   +1 more source

Introduction du chapitre 11: « Fins de l’homme, fins de la raison, fins de la nature, fins de Dieu » »

, 2022
International audienceDans l’espace germanique, la question des fins de l’homme contenue dans les idées de perfectionnement et de destination donne lieu à trois antinomies structurant les réponses : celle des fins de la nature et des fins de l’homme, les
Nouailles, Bertrand, Morel, Charlotte, Nannini, Alessandro, Petit, Alain   +3 more
core   +1 more source

Numerical Simulation of Minichannel and Microchannel Evaporators with Headers and Louvered Fins— Investigating the Thermal-Hydraulic Performance of New Refrigerant Mixtures [PDF]

, 2012
The need for more compact and more efficient heat exchangers in the aerospace, automotive, and HVAC&R industries has led to the development of heat exchangers that utilize minichannel or microchannel tubes coupled with louvered fins.
Ramalingam, Mysore, Sommers, Andrew D., Gossard, Justin J., Han, Xiaohong   +3 more
core   +1 more source

Advanced Design and Analysis of Engine Fins to Improve Heat Transfer Rate

Engineering Proceedings
Fin analysis is crucial to improve the rate of heat transfer. The main objective of this research is to investigate various fin designs in order to enhance the heat transfer efficiency of cooling fins through modifications in the geometry of the cylinder
Pritam Kumar Das, Mohammed Zubbairuddin, Jitendra Patra, Santosh Kumar Dash   +3 more
doaj   +1 more source

Analytical decomposition solutions for heat transfer on straight fins with temperature dependent the

Journal of Thermal Engineering, 2019
This paper analyses heat transfer across straight convecting fins with temperature dependent thermal conductivity and internal heat generation using the Adomian decomposition method (ADM).
Akinbowale AKİNSHİLO
doaj   +1 more source

Isolamento on farm de Trichoderma: uma ferramenta no controle de doenças de solo para os agricultores no Brasil

Revista Eletrônica Científica da UERGS, 2019
Fungos do gênero Trichoderma são amplamente distribuídos pelo seu hábito cosmopolita. Estes fungos vêm sendo empregados como excelentes biopesticidas de fitopatógenos nas principais culturas comerciais.
Janaina Tauil BERNARDO, Jorge Gonzalez AGUILERA, Roberto Balbino da SILVA, Rogério VIAN, Givaldo Rocha NIELLA, Cirano José ULHOA, Ícaro Raoni Ecke MEDEIROS   +6 more
doaj   +1 more source

Controles de gestão utilizados por uma paróquia da arquidiocese de Florianópolis [PDF]

, 2005
TCC (Graduação) - Universidade Federal de Santa Catarina. Centro Socioeconômico. Curso de Ciências ContábeisAs entidades sem fins lucrativos vêm ocupando espaços cada vez maiores no Brasil e a Contabilidade ainda não se conscientizou deste segmento de ...
Martendal, Mariana Moritz
core  

Finite Element Analysis of Fins with Convection and Radiation Heat Transfer

Al-Qadisiyah Journal for Engineering Science, 2015
One dimensional analysis of heat transfer from fin is simple when only heat transfer by convection from fin surface. However, in some cases heat transfers by combined phenomena (convection and radiation), this makes the governing differential equation of
Mohammed HamzaAbdulsada
doaj  

PIROLISIS MENGGUNAKAN SCREW SEBAGAI PRESSURE DROP DAN SIRIP PADA KONDENSOR

Rekayasa Mesin
The main factor that can determine the pyrolysis reaction is reactor type. However, the operational system of the pyrolysis reactor has a problem due to the low energy supply and low thermal conductivity of plastic.
Erlanda A Pane, Stevanus Budi Rahardjo, Ismail Ismail   +2 more
doaj   +1 more source

Proposta de um Sistema de Custos para uma Entidade do Terceiro Setor de Caráter Filantrópico [PDF]

, 2005
TCC (Graduação) - Universidade Federal de Santa Catarina. Centro Socioeconômico. Curso de Ciências ContábeisEste trabalho tem como objetivo principal à elaboração de um sistema de custos para uma entidade do Terceiro Setor que atua na área de assistência
Kimura, Luciana de Souza
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