نتایج جستجو برای: symmetric collector

تعداد نتایج: 87673  

In this paper, a multi-objective optimization method is implemented by using of genetic algorithm techniques in order to determine optimum configuration of solar chimney power plant. The objective function which is simultaneously considered in the analysis is output power of the plant. Output power of the system is maximized. Design parameters of the considered plant include collector radius (R...

2013
Jaesung Jang Kwan Seop Lim Steve Broyles Michael R. Ladisch Demir Akin Rashid Bashir Steven Broyles

Collection of biological particles is the first and critical step for any biological agent detection system. Towards our goal of capturing and detecting airborne biological entities in real time, here we investigate on the design of an electrostatic particle capture system. We report on the capture of airborne 100 nm diameter polystyrene nanoparticles as a model system, in swirling flows under ...

2003
Venkatesh Rao M. Jagadesh Kumar Jagadesh Kumar

Advanced bipolar transistors play a vital role in RF/Microwave applications. But they need to satisfy stringent demands on device performance parameters such as β, gm, and fT. Many of the bipolar technologies developed to meet these demands are vertical structures and suffer from many non−ideal effects at high collector current densities. In the present work, to enhance the performance limits o...

In this study, exergy analysis of a flat plat solar collector in a closed circuit has been performed using existing experimental data and the effects of utilization of the collector with upper, lower and side reflectors alone and together with lenses on exergy efficiency have been considered. Then, based on a mathematical model, optimization analysis has been performed. Unlike the past studies,...

2017
Zhuo Yang Junjie Ba Jing Pan Kun Liu Jing Dong

During the coking process in coal chemical industry, the stability of gas collector pressure is an important guarantee for the normal production of coke oven. This paper combines the adaptive fuzzy control algorithm and the fuzzy decoupling rule to control the gas collector pressure, and coordinates the entire system through the establishment of pre-header suction supervisory control. The speci...

2001
Stephen M. Blackburn J. Eliot B. Moss Richard L. Hudson Ronald Morrison David S. Munro John N. Zigman

We propose an effective methodology in which a distributed garbage collector may be derived from a distributed termination algorithm and a centralized garbage collector in a manner that preserves interesting properties of the original collector, such as completeness. To illustrate our technique we show how two distributed termination algorithms, credit recovery and task balancing, may be suitab...

2004
Okehee Goh Yann-Hang Lee Ziad Kaakani Elliott Rachlin

 We are working on scheduling of garbage collector as a concurrent thread for time-constrained applications in Common Language Infrastructure (CLI). We have implemented an incremental garbage collector with fine-grained write barrier in MONO, an opensource implementation of CLI. Our collector is based on existing conservative garbage collector of Boehm et al. By conducting benchmarking experim...

1997
Frederick Smith Greg Morrisett

Many high-level language compilers generate C code and then invoke a C compiler to do code generation, register allocation, stack management, and low-level optimization. To date, most of these compilers link the resulting code against a conservative mark-sweep garbage collector in order to reclaim unused memory. We introduce a new collector, MCC, based on mostly-copying collection, and characte...

2010
Andrew M. Cheadle

Common to many high-level, declarative and object oriented languages are the use of dynamic dispatch and garbage collection. Dynamic dispatch is the mechanism by which the selection of a method to run, based on both its signature, and the type of one or more of its arguments, is made. A garbage collector is responsible for efficient ‘recycling’ of memory that is no longer needed, termed ‘garbag...

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