Modeling and dynamic analysis of a full flexible shaft–disk–blades system with nonlinear energy sinks (NESs) using modified SAFE diagram

Aghayari, Jafar; Safarpour, Pedram; Rahi, Abbas; Bab, Saeed

doi:10.1007/s40430-022-03767-6

Cited by 6 publications

(1 citation statement)

References 33 publications

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“…Before the calculation of parameters at all levels, the inlet steam flow of the turbine has to be estimated, which is calculated as follows [7][8].…”

Section: Detailed Calculation Of Turbine Parameters At All Levelsmentioning

confidence: 99%

Modelling Analysis of a Saturated Steam Turbine with Respect to Multi-body Dynamics

2022

KME

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In petroleum, chemical, light industry, metallurgy, building materials, paper making, textile and other industrial enterprises there is a large amount of low-grade energy a low-pressure saturated steam, these low-grade energy except for a small amount of recycling, a large number of emptying, resulting in a great waste of energy. The aim of this paper is to investigate the modelling analysis of saturated steam turbines with respect to multi-body dynamics. The paper systematically analyses methods and key technologies for the recovery and utilisation of low-value thermal energy, as well as the design, development and optimisation of specific industrial low-pressure saturated steam turbines to improve the performance of waste heat recovery systems. Energy conservation and reduction of consumption are of great importance to industrial companies. to reduce the risk of steam-induced blade corrosion. A small 100 kW waste heat recovery turbine was designed for liquid saturated steam at a flow rate of 1 tonne per hour and a pressure of 0.8 MPa. The unit is characterised by its high efficiency and small structural dimensions. This feature is intended to solve the problem of low efficiency and difficulties in recovering waste heat due to the uneven distribution of the heat source and its small size. The application site can be a small factory or a house. This paper focuses on the structural design and calibration of key turbine components, such as moving blades, impellers and cylinders. The maximum error of the hybrid model in this paper is experimentally proven to be within 3%, indicating that the hybrid model of the turbine body is consistent with the actual operating conditions and meets the engineering accuracy requirements.

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“…Before the calculation of parameters at all levels, the inlet steam flow of the turbine has to be estimated, which is calculated as follows [7][8].…”

Section: Detailed Calculation Of Turbine Parameters At All Levelsmentioning

confidence: 99%

Modelling Analysis of a Saturated Steam Turbine with Respect to Multi-body Dynamics

2022

KME

View full text Add to dashboard Cite

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Out-of-plane vibration mitigation of wind turbine rotor blades using nonlinear energy sink

Daghighi,

Rahmani Hanzaki,

Shahgholi

et al. 2024

J Braz. Soc. Mech. Sci. Eng.

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A comparative study on the torsional vibration suppression of rotor system using variable steady state nonlinear energy sink

Ma,

Du,

Zhang

et al. 2024

Chaos, Solitons & Fractals

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Modeling and dynamic analysis of a full flexible shaft–disk–blades system with nonlinear energy sinks (NESs) using modified SAFE diagram

Cited by 6 publications

References 33 publications

Modelling Analysis of a Saturated Steam Turbine with Respect to Multi-body Dynamics

Modelling Analysis of a Saturated Steam Turbine with Respect to Multi-body Dynamics

Out-of-plane vibration mitigation of wind turbine rotor blades using nonlinear energy sink

A comparative study on the torsional vibration suppression of rotor system using variable steady state nonlinear energy sink

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