scispace - formally typeset
Search or ask a question
Author

Nicholas C. Baines

Bio: Nicholas C. Baines is an academic researcher. The author has contributed to research in topics: Gas compressor & Impeller. The author has an hindex of 1, co-authored 1 publications receiving 280 citations.

Papers
More filters
Book
01 Jan 1990
TL;DR: In this article, the authors present a detailed history and applications of the centrifugal compressor and the radial turbine rotor passage, as well as the stator exhaust diffuser, and a generalised computer-based one-dimensional performance prediction.
Abstract: Part 1: Outline of the book history and applications the centrifugal compressor the radial turbine non-dimensional parameters for performance assessment and design selection. Part 2 Fundamental fluid mechanics and thermodynamics: the basic equations the dynamics of compressible, perfect gas flow definitions of efficiency loss coefficient definitions stator performance parameters. Part 3 Preliminary design and analysis of centrifugal compressors: non-dimensional parameters for design selection application of basic thermo-fluid dynamics to compressors impeller design diffuser performance, design and analysis. Part 4 Preliminary design and analysis of radial turbines: basic design concepts preliminary design of the rotor performance correlations rotor passage preliminary design of the stator exhaust diffuser. Part 5 Generalised computer based one-dimensional performance prediction: generalised gas dynamic analysis empirical flow models and loss correlations summary of prediction procedure. Part 6 Modelling of compressor impellers with separated flow: performance prediction models application to experimentation. Part 7 Geometric description of turbomachine blades and passages: surface definition by two-dimensional projection functional representation of two-dimensional curves geometry definition by three-dimensional surfaces functional representation of three-dimensional surfaces. Part 8 Computation of internal flows: categorisation of methods calculation domains inviscid solution methods viscous solution methods coupled viscous-inviscid methods modelling of stator flows. Part 9 Special problems associated with turbomachine design and operation: compressor surge and techniques to suppress it high pressure ratio compressors pulse operation of radial turbines variable geometry stator for radial turbines special features of radial turbine rotors turbine rotor cooling size effects and scaling. Appendices: preliminary design of centrifugal compressor impellers - computer program listing, description of the computer program preliminary design of radial turbine rotors - computer program listing, description of the program a summary of the governing equations for three-dimensional fluid flow - the conservation of mass, or continuity, equation, the momentum equation, the energy equation discretisation methods - finite difference, finite element, finite volume.

286 citations


Cited by
More filters
Journal ArticleDOI
TL;DR: In this article, a comprehensive review of literature about the ORC that contains ORC configurations, ORC applications and ORC working fluid selection and modelling and experimental study of ORC expansion devices is presented.

242 citations

Journal ArticleDOI
TL;DR: In this paper, the best design options for turbo-expanders to be used in organic Rankine power cycle applications is discussed, with special reference to the low-temperature applications.

136 citations

Journal ArticleDOI
TL;DR: In this article, a confluent cascade expansion ORC (CCE-ORC) system was proposed for engine waste heat recovery, which has simpler architecture, a smaller volume and higher efficiency compared with conventional dual-loop ORC systems.

121 citations

Journal ArticleDOI
TL;DR: In this article, a zero-dimensional model for the design of radial turbo-expanders for ORC applications is discussed, with special reference to the estimation of losses and efficiency; a comparison between different fluids (R134a, R1234yf, R236fa, R245fa, Cyclohexane, N-Pentane) is presented and discussed, referring to a typical small-size application (50kW).

97 citations

Journal ArticleDOI
TL;DR: In this paper, the authors presented an optimized modeling approach for the organic Rankine cycle based on radial inflow turbine, where the constant expander efficiency is replaced by dynamic efficiency that is unique for each set of cycle operating conditions and working fluid properties.

93 citations