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Development of an Air-Recirculated Ventilation System for a Piglet House, Part 1: Analysis of Representative Problems through Field Experiment and Aerodynamic Analysis Using CFD Simulation for Evaluating Applicability of System

Author

Listed:
  • Jun-gyu Kim

    (Department of Rural Systems Engineering, Research Institute for Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, 1, Gwanakno, Gwanak-gu, Seoul 08826, Korea)

  • In-bok Lee

    (Department of Rural Systems Engineering, Research Institute for Agriculture and Life Sciences, Global Smart Farm Convergence Major, College of Agriculture and Life Sciences, Seoul National University, 1, Gwanakno, Gwanak-gu, Seoul 08826, Korea
    Research Institute of Green Eco Engineering, Institute of Green Bio Science and Technology, Seoul National University, 1477, Pyeongchang-daero, Daehwa-myeon, Pyeongchang-gun 25354, Korea)

  • Sang-yeon Lee

    (Department of Rural Systems Engineering, Research Institute for Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, 1, Gwanakno, Gwanak-gu, Seoul 08826, Korea)

  • Se-jun Park

    (Department of Rural Systems Engineering, Research Institute for Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, 1, Gwanakno, Gwanak-gu, Seoul 08826, Korea)

  • Deuk-young Jeong

    (Department of Rural Systems Engineering, Research Institute for Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, 1, Gwanakno, Gwanak-gu, Seoul 08826, Korea)

  • Young-bae Choi

    (Department of Rural Systems Engineering, Research Institute for Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, 1, Gwanakno, Gwanak-gu, Seoul 08826, Korea)

  • Cristina Decano-Valentin

    (Department of Rural Systems Engineering, Research Institute for Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, 1, Gwanakno, Gwanak-gu, Seoul 08826, Korea
    Department of Agricultural and Biosystems Engineering, College of Engineering, Mariano Marcos State University, Batac 2906, Philippines)

  • Uk-hyeon Yeo

    (Agriculture, Animal & Aquaculture Intelligence Research Centre, Electronics and Telecommunications Research Institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 34129, Korea)

Abstract

As the pig industry develops rapidly, various problems are appearing both inside and outside the pig houses. In particular, in the case of pig houses, it is difficult to solve the main problems even if automation and mechanization are applied with ICT technology. The main current issues are: (1) preventing infectious diseases amongst livestock, (2) reducing the emission of harmful gas and odors, (3) improving the growth environment inside the pig house, (4) reducing energy costs, (5) improving the farm management and operating system, and 6) improving the livestock product quality. Air recirculation technology can be applied as a technology that can solve these typical problems in the pig industry. An air-recirculated ventilation system can minimize the inflow of air from outdoors and recycle the internal thermal energy of the pig house. The air-recirculated ventilation system consists of (1) an air scrubber module, (2) external air-mixing module, (3) UV cleaning module, (4) solar heat module, and (5) air-distribution module. First, in this study, the field data were collected to analyze the main problems of the target piglet house for the application of the air-recirculated ventilation system. In addition, a computational fluid dynamics (CFD) model was developed and validated for seasonal aerodynamic analysis. The applicability of the air-recirculated ventilation system was evaluated based on the CFD computed results for various environmental conditions. As a result of evaluating the internal environment according to the ventilation rates and external-air-mixing ratio of the air-recirculated ventilation system, the required ventilation rate and external air-mixing ratio to maintain the proper temperature and gas concentration were determined.

Suggested Citation

  • Jun-gyu Kim & In-bok Lee & Sang-yeon Lee & Se-jun Park & Deuk-young Jeong & Young-bae Choi & Cristina Decano-Valentin & Uk-hyeon Yeo, 2022. "Development of an Air-Recirculated Ventilation System for a Piglet House, Part 1: Analysis of Representative Problems through Field Experiment and Aerodynamic Analysis Using CFD Simulation for Evaluat," Agriculture, MDPI, vol. 12(8), pages 1-31, August.
  • Handle: RePEc:gam:jagris:v:12:y:2022:i:8:p:1139-:d:877678
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    Cited by:

    1. Jun-gyu Kim & In-bok Lee & Sang-yeon Lee & Deuk-young Jeong & Young-bae Choi & Jeong-hwa Cho & Rack-woo Kim & Andre Aarnink, 2022. "Development of an Air-Recirculated Ventilation System for a Piglet House, Part 2: Determination of the Optimal Module Combination Using the Numerical Model," Agriculture, MDPI, vol. 12(10), pages 1-24, September.

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