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Available. Open Access. Open Access
Article
Publication date: 19 July 2022

Mehrgan Malekpour, Morteza Yazdani and Hamidreza Rezvani

This research aims to investigate intrinsic and extrinsic product attributes as well as the relationship between these features and customer satisfaction by confirming the…

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Abstract

Purpose

This research aims to investigate intrinsic and extrinsic product attributes as well as the relationship between these features and customer satisfaction by confirming the moderating role of competitive intensity.

Design/methodology/approach

The study is conceptual and exploratory in nature, drawing on current literature and real-time experience with conceptual framework development. The information was gathered by the face-to-face survey conducted with a sample of products, specialists and customers of the Iranian food industry. A total of 19 Kalleh products and 17 industry experts were selected to identify intrinsic and extrinsic product attributes as well as competition intensity for every product. For investigating the relationship between product attributes and customer satisfaction, 342 customers' viewpoints were received and analyzed.

Findings

The results show that the nature of competition moderates the effects of interaction between product attributes and customer satisfaction. The major findings of this research include (1) when competitive intensity is low, appropriate focus on intrinsic attributes can create better customer satisfaction; (2) When a competitive level is low, better focus on appropriate external attributes can lead to customer satisfaction; and (3) When competitive intensity is high, offering proper external attributes would lead to customer satisfaction if intrinsic attributes are already offered with high quality; (4) When competitive intensity is high and a firm is focusing more on intrinsic attributes, the lack of proper intrinsic attributes can negatively affect repurchase intentions.

Originality/value

The findings of this study can be used as a reference for food companies developing new products in various competitive environments and making the decision whether to focus on intrinsic or extrinsic attributes.

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Article
Publication date: 11 March 2020

Hamidreza Khodayari, Fathollah Ommi and Zoheir Saboohi

The purpose of this paper is to review the applications of the chemical reactor network (CRN) approach for modeling the combustion in gas turbine combustors and classify the CRN…

767

Abstract

Purpose

The purpose of this paper is to review the applications of the chemical reactor network (CRN) approach for modeling the combustion in gas turbine combustors and classify the CRN construction methods that have been frequently used by researchers.

Design/methodology/approach

This paper initiates with introducing the CRN approach as a practical tool for precisely predicting the species concentrations in the combustion process with lower computational costs. The structure of the CRN and its elements as the ideal reactors are reviewed in recent studies. Flow field modeling has been identified as the most important input for constructing the CRNs; thus, the flow field modeling methods have been extensively reviewed in previous studies. Network approach, component modeling approach and computational fluid dynamics (CFD), as the main flow field modeling methods, are investigated with a focus on the CRN applications. Then, the CRN construction approaches are reviewed and categorized based on extracting the flow field required data. Finally, the most used kinetics and CRN solvers are reviewed and reported in this paper.

Findings

It is concluded that the CRN approach can be a useful tool in the entire process of combustion chamber design. One-dimensional and quasi-dimensional methods of flow field modeling are used in the construction of the simple CRNs without detailed geometry data. This approach requires fewer requirements and is used in the initial combustor designing process. In recent years, using the CFD approach in the construction of CRNs has been increased. The flow field results of the CFD codes processed to create the homogeneous regions based on construction criteria. Over the past years, several practical algorithms have been proposed to automatically extract reactor networks from CFD results. These algorithms have been developed to identify homogeneous regions with a high resolution based on the splitting criteria.

Originality/value

This paper reviews the various flow modeling methods used in the construction of the CRNs, along with an overview of the studies carried out in this field. Also, the usual approaches for creating a CRN and the most significant achievements in this field are addressed in detail.

Details

Aircraft Engineering and Aerospace Technology, vol. 92 no. 4
Type: Research Article
ISSN: 1748-8842

Keywords

Available. Open Access. Open Access

Abstract

Details

Journal of Intelligent Manufacturing and Special Equipment, vol. 4 no. 1
Type: Research Article
ISSN: 2633-6596

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