Browsing by Author "Mehnen, Jorn"

Business process mining for industry: successes and caveats

Mehnen, Jorn; Turner, Christopher J.; Tiwari, Ashutosh (2010-06-23)

Business Process Mining (BPM) is a powerful technique which aims at mapping the complex structure of industrial processes into human interpretable graph structures by analysing business process traces automatically. The ...

Challenges of cloud technology in manufacturing environment

Yadekar, Yaser; Shehab, Essam; Mehnen, Jorn (Cranfield University Press, 2013-09-19)

The rapid growth Information systems and advanced network technologies have significant impact on enterprises around the world. Enterprises are trying to gain competitive advantage in open global markets by using the latest ...

Characterisation of integrated WAAM and machining processes

Adebayo, Adeyinka (Cranfield University, 2013-12)

This research describes the process of manufacturing and machining of wire and arc additive manufactured (WAAM) thin wall structures on integrated and non¬integrated WAAM systems. The overall aim of this thesis is to obtain ...

A CNC machine guiderail wear in-process monitoring system

Zhao, Yifei (Cranfield University, 2016-09)

This research investigates and establishes a system for monitoring the guiderail wear on medium size CNC machines. The system possesses the function of measuring the wear state on guiderails in an in-process way, which is ...

A coefficient clustering analysis for damage assessment of composites based on pulsed thermographic inspection

Zhao, Yifan; Tinsley, Lawrence; Addepalli, Sri; Mehnen, Jorn; Roy, Rajkumar (Elsevier, 2016-06-11)

This paper introduces a coefficient clustering analysis method to detect and quantitatively measure damage occurring in composite materials using pulsed thermographic inspection. This method is based on fitting a low order ...

A comparison of resource allocation process in grid and cloud technologies

Hallawi, Huda; Mehnen, Jorn; He, Hongmei (IOP, 2018-06-04)

Grid Computing and Cloud Computing are two different technologies that have emerged to validate the long-held dream of computing as utilities which led to an important revolution in IT industry. These technologies came ...

Data mining and knowledge reuse for the initial systems design and manufacturing: Aero-engine service risk drivers

Morar, Nicolau; Rajkumar, Roy; Mehnen, Jorn; Redding, Louis E.; Harrison, Andrew (Elsevier, 2013-09-27)

Service providers of civil aero engines are typically confronted with a high cost of maintenance, replacement and refurbishment of the service damaged components. In such context, service experience becomes a key issue for ...

Degradation assessment of industrial composites using thermography

Zhao, Yifan; Mehnen, Jorn; Xu, Wei; Alrashed, Mosab; Abineri, Stephen; Roy, Rajkumar (Elsevier, 2015-10)

Thermographic inspection is a relatively new technique for Non-Destructive Testing (NDT) which has been gathering increasing interest due to its relatively low cost hardware and extremely fast data acquisition properties. ...

A design approach to IoT endpoint security for production machinery monitoring

Tedeschi, Stefano; Emmanouilidis, Christos; Mehnen, Jorn; Roy, Rajkumar (MDPI, 2019-05-16)

The Internet of Things (IoT) has significant potential in upgrading legacy production machinery with monitoring capabilities to unlock new capabilities and bring economic benefits. However, the introduction of IoT at the ...

Design for wire and arc additive layer manufacture

Mehnen, Jorn; Ding, J.; Lockett, Helen L.; Kazanas, P. (2010-04-19)

Additive Layer Manufacture (ALM) is a technique whereby freeform structures are produced by building up material in layers. RUAM (Ready-to-Use Additive Layer Manufacturing) is an innovative concept for building large ...

Determination of thermal wave reflection coefficient to better estimate defect depth using pulsed thermography

Sirikham, Adisorn; Zhao, Yifan; Mehnen, Jorn (Elsevier, 2017-08-22)

Thermography is a promising method for detecting subsurface defects, but accurate measurement of defect depth is still a big challenge because thermographic signals are typically corrupted by imaging noise and affected by ...

Development of an ontology for aerospace engine components degradation in service

Okoh, Caxton; Roy, Rajkumar; Mehnen, Jorn; Redding, Louis E.; Harrison, Alan (ScitePress, 2014-12-31)

This paper presents the development of an ontology for component service degradation. In this paper, degradation mechanisms in gas turbine metallic components are used for a case study to explain how a taxonomy within an ...

The effect of trepanning speed of laser drilled acute angled cooling holes on the high temperature low cycle corrosion fatigue performance of CMSX-4 at 850 °C

Morar, Nicolau; Roy, Rajkumar; Mehnen, Jorn; Nicholls, John R.; Gray, Simon (Elsevier, 2017-05-04)

The effect of laser trepanning speed and, as a result, recast layer thickness on the high temperature corrosion fatigue behaviour of CMSX-4 superalloy acute angled holes was investigated. The experimental test results show ...

The effect of trepanning speed of laser drilled acute angled cooling holes on the high temperature low cycle corrosion fatigue performance of CMSX-4 at 850°C

Morar, N.; Roy, Rajkumar; Mehnen, Jorn; Nicholls, John R.; Gray, Simon (Elsevier, 2017-05-04)

The effect of laser trepanning speed and, as a result, recast layer thickness on the high temperature corrosion fatigue behaviour of CMSX-4 superalloy acute angled holes was investigated. The experimental test results show ...

Effects of solid lubricants on wire and arc additive manufactured structures

Adebayo, Yinka; Mehnen, Jorn; Tonnellier, Xavier (Professional Engineering Publishing, 2014-04-01)

This paper reports a systematic study which examines the use of solid lubricants in the sequential deposition and machining of wire and arc additive manufactured parts and characterises the effects of solid lubricants on ...

Enterprise resource planning system implementation and success measurement : case study of a small to medium sized enterprise

Shaikh, N. (Cranfield University, 2014-03)

It is widely believed that major financial benefits can be achieved by organisations implementing Enterprise Resource Planning software. It is also believed that such systems are a time consuming and a costly endeavour ...

Feature based cost and carbon emission modelling for wire and arc additive manufacturing

Guo, Jianing (Cranfield University, 2012-12)

The wire and arc additive manufacturing (WAAM) is a CNC and welding deposition based additive manufacturing method. This novel manufacturing technique has potential cost and environment advantage and was developed as an ...

A framework development to predict remaining useful life of a gas turbine mechanical component

Okoh, Caxton (2017-09)

Power-by-the-hour is a performance based offering for delivering outstanding service to operators of civil aviation aircraft. Operators need to guarantee to minimise downtime, reduce service cost and ensure value for money ...

A framework to manage uncertainties in cloud manufacturing environment

Yadekar, Yaser (Cranfield University, 2016-10)

This research project aims to develop a framework to manage uncertainty in cloud manufacturing for small and medium enterprises (SMEs). The framework includes a cloud manufacturing taxonomy; guidance to deal with uncertainty ...

A framework to manage uncertainties in cloud manufacturing environment

Yadekar, Yaser (Cranfield University, 2016-10)

This research project aims to develop a framework to manage uncertainty in cloud manufacturing for small and medium enterprises (SMEs). The framework includes a cloud manufacturing taxonomy; guidance to deal with uncertainty ...

Browsing by Author "Mehnen, Jorn"

Browsing by Author "Mehnen, Jorn"

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