نتایج جستجو برای: thermal needs
تعداد نتایج: 462014 فیلتر نتایج به سال:
Background: It is well known that healthy and cancer cells are different in energy consumption. These differences lead to small changes in local temperature, so infrared thermal imaging (thermography) are applications for diagnosis of several types of cancer such as breast cancer. There are some problems in our country such as a variety of cultural and religious issues to take sample thermal im...
the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...
The purpose of this study is to design and evaluate a single-layer garment that incorporates different textiles to improve the physiological comfort of backpackers hiking in cold weather conditions. The objectives are to identify comfort needs, to design a prototype shirt, and to evaluate comfort and performance of the prototype over time, in comparison to a control. Qualitative data were colle...
The new research reactor of the Technische Universität München will provide the German needs of neutrons for the beginning of the next century. High intensities of thermal neutrons are provided by a particular densely packed core of highly enriched uranium and are extracted by 12 beam apertures. The low thermal power of 20 MW allows the positioning of a D2 cold source at a maximum of the therma...
Research needs in the field of thermal management of microelectronics and microsystems are identified, followed by a brief discussion of recent advances in solution approaches. These include novel solutions that rely on two-phase flow at the microscale, micropumps, droplet actuation on structured surfaces, passive transport in wick structures, ion-driven and piezoelectrically driven airflow, na...
We identify technological drivers for tomorrow’s data centers and telecommunications 14 systems, including thermal, electrical and energy management challenges, based on discussions at the 15 2nd Workshop on Thermal Management in Telecommunication Systems and Data Centers in Santa Clara, 16 California, on April 25-26, 2012. The relevance of thermal management in electronic systems is reviewed...
We describe the computing tasks involved in autonomous driving, examine existing autonomous driving computing platform implementations. To enable autonomous driving, the computing stack needs to simultaneously provide high performance, low power consumption, and low thermal dissipation, at low cost. We discuss possible approaches to design computing platforms that will meet these needs.
the aim of conducting this study was to investigate the foreign language learning needs of undergraduate economics students and business management students in faculties of social sciences of alzahra and azad naragh university. in the study, which was designed on the basis of a qualitative-quantitative basis using interviews and questionnaires, 146 female undergraduate business management as we...
Nowadays, the issue of thermal comfort has been raised as one of the important factors in the quality of urban spaces along with physical factors. In fact, the quality of urban spaces is important for the use of citizens and should be considered. However, due to the impact of various parameters in urban open spaces that affect the thermal comfort of users and the lack of codified principles in ...
In this paper, we study the thermal relaxation in the one-dimensional self-gravitating system, or the so-called sheet model. According to the standard argument, the thermal relaxation time of the system is around Nt c , where N is the number of sheets and t c is the crossing time. It has been claimed that the system does not reach the thermal equilibrium in this thermal relaxation timescale, an...
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