Xem 1-20 trên 122 kết quả Reactors
  • I. Introduction An important aspect of nuclear reactor core analysis involves the determination of the optimal coolant flow distribution and pressure drop across the reactor core. On the one hand, higher coolant flow rates will lead to better heat transfer coefficients and higher Critical Heat Flux (CHF) limits. On the other hand, higher flows rates will also in large pressure drops across the reactor core, hence larger required pumping powers and larger dynamic loads on the core components.

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  • This book presents a comprehensive review of studies in nuclear reactors technology from authors across the globe.

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  • When analyzing kinetic data or designing a chemical reactor, it is important to state clearly the definitions of reaction rate, conversion, yield, and selectivity. For a homogeneous reaction, the reaction rate is defined either as the amount of product formed or the amount of reactant consumed per unit volume of the gas or liquid phase per unit time. We generally use moles (g mol, kg mol, or lb mol) rather than mass to define the rate, since this simplifies the material balance calculations.

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  • State the mechanism for steam generation in a PWR. Using simplified diagrams, identify and explain the purpose of the major components and equipment involved with a PWR. Identify the equipment used to control reactor power.

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  • The study of catalytic membranes and membrane reactor processes is a multidisciplinary activity, which in recent years has attracted the attention of scientists and engineers in a number of disciplines, including materials science, chemistry and biology, and chemical and biochemical engineering.

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  • The aim of this book is to disseminate state-of-the-art research and advances in the area of nuclear reactors technology. The book was divided in two parts.

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  • In BWR’s steam bubbles have a negative steam bubbles have a negative reactivity feedback, if the steam fraction reactivity feedback, if the steam fraction increases in the core the reactor power increases in the core the reactor power decreases

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  • Bài giảng "Gibbss Reactor: Minimum Gibbs Energy" trình bày những nội dung về phản ứng Gibbss Reactor, đặc điểm Gibbss Reactor, Gibbs Reactor,... Mời các bạn cùng tham khảo nội dung bài giảng để nắm bắt thông tin chi tiết.

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  • Continuous-Stirred Tank Reactor là 1 trong 5 loại phản ứng chính trong chưng luyện, nhằm giúp các bạn hiểu hơn về loại phản ứng này, mời các bạn cùng tham khảo nội dung bài giảng "Continuous-Stirred Tank Reactor". Hy vọng nội dung bài giảng là tài liệu tham khảo hữu ích cho các bạn.

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  • Các tính năng Plug Flow Reactor PFR, ví dụ phản ứng cracking pha hơi acetone thành ketone và methane trong thiết bị PFR là những nội dung chính trong bài giảng "Plug Flow Reactor - PFR". Mời các bạn cùng tham khảo nội dung bài giảng để nắm bắt thông tin chi tiết.

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  • Bài giảng "Continuous-Stirred Tank Reactor" cung cấp 5 thiết bị phản ứng chính CSTR, đặc điểm chung CSTR, sản xuất Propylen Glycol từ Propylen Oxit và nước trong thiết bị CSTR. Mời các bạn cùng tham khảo nội dung bài giảng để nắm bắt thông tin chi tiết.

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  • (BQ) Ebook "Reactor shielding for nuclear engineers" presentation of content: Historical background, sources of radiation, interactions of radiation with matter, radition transrort, monte carlo methods for radiation transport,... Invite you to consult.

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  • Hiện nay, công nghiệp sản xuất bia, nƣớc giải khát ở Việt Nam đang phát triển mạnh để phục vụ nhu cầu ngày càng tăng của xã hội. Quá trình sản xuất có thể phát sinh ra lƣợng nƣớc thải ngày càng tăng trong khi việc tăng công suất hoạt động của hệ thống xử lý nƣớc thải hiện hữu gặp phải nhiều khó khăn.

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  • A newcomer to the scene, aerobic granulation is on its way to becoming the hot new technology for high-efficiency wastewater treatment. Thus far, intensive research has been conducted with regard to the understanding of the mechanism of aerobic granulation in sequencing batch reactors (SBR) and its application in treating a wide variety of municipal and industrial wastewater. This basic research has promoted the technology from laboratory-study all the way to the present pilot- and full-scale application.

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  • The book is intended to provide a sound basis for enzyme reactor design based on kinetic principles, and give an updated vision of the potentials and limitations of enzyme biocatalysis, especially with respect to recent applications in processes of organic synthesis. The book is structured in the form of a textbook that goes from basic principles of enzyme structure and function to reactor design for homogeneous systems with soluble enzymes, and heterogeneous systems with insolubilized enzymes.

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  • Sử dụng nước thải tổng hợp có nguồn cacbon là gluco để nuôi cấy bùn hạt hiếu khí trên bể khí nâng từng mẻ luân phiên (SBAR) với hạt vỏ sò nghiền có kích thước 150200 μm làm chất mang. SBAR được vận hành ở thời gian lưu nước (HRT) 5,1 giờ, vận tốc khí cấp vào duy trì ổn định 4lít/phút tương ứng vận tốc khí nâng 4,2 cm/s. Thí nghiệm được thực hiện ở hai tải trọng chất hữu cơ

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  • This book includes contributions from researchers around the world on numerical developments and applications to predict fluid flow and heat transfer, with an emphasis on thermal hydraulics computational fluid dynamics. Our ability to simulate larger problems with greater fidelity has vastly expanded over the past decade. The collection of material presented in this book augments the ever-increasing body of knowledge concerning the important topic of thermal hydraulics.

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  • Problem 1.1a: For a reaction AB (rate expression: rA = kCA ) , taking place in an isothermal tubular reactor, starting with the mass balance equation and assuming plug flow, derive an expression for calculating the reactor volume in terms of the molar flow rate of reactant ‘A’.

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  • This book is an introduction to the quantitative treatment of chemical reaction engineering. The level of the presentation is what we consider appropriate for a one-semester course. The text provides a balanced approach to the understanding of: (1) both homogeneous and heterogeneous reacting systems and (2) both chemical reaction engineering and chemical reactor engineering. We have emulated the teachings of Prof. Michel Boudart in numerous sections of this text.

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  • Chemical reaction engineering is concerned with the exploitation of chemical reactions on a commercial scale. It's goal is the successful design and operation of chemical reactors. This text emphasizes qualitative arguments, simple design methods, graphical procedures, and frequent comparison of capabilities of the major reactor types. Simple ideas are treated first, and are then extended to the more complex.

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