# Enhanced Frying Efficiency at Low Temperatures Utilizing a Novel Planetary Fryer

## TL;DR

A new planetary fryer improves frying efficiency at lower temperatures by enhancing heat and mass transfer, leading to faster cooking and healthier food.

## Contribution

A novel planetary fryer design that uses dual-axis rotation to generate horizontal acceleration for improved frying performance.

## Key findings

- The planetary motion enhances convective currents and vapor bubble departure during frying.
- Lower frying temperatures and reduced cooking times were achieved without compromising sensory quality.
- The method shows potential for energy efficiency and reduced harmful compound formation in fried foods.

## Abstract

This study aims to optimize the frying process of natural porous materials (like potatoes) by enhancing heat and mass transfer phenomena through significant horizontal acceleration values following a spatially periodic pattern that alternates the intensity of inertia forces uniformly across the frying vessel. The generated horizontal inertial forces act complementary to the normal vertical buoyancy force for the creation of agitating convective currents in the oil and for vapor bubbles’ departure from the surface of frying objects. The use of an innovative frying device, employing simultaneous rotation around two vertical axes at a different speed in a so-called planetary type of motion, serves to facilitate this production of horizontal acceleration values that allows intensifying the performance of frying. The present investigation examines the impact of rotational speed, along with oil temperature and frying duration, on the water loss and sensory evaluation of fried items. The potato-to-oil ratios typically found in industrial frying operations are employed. The intended outcome is a more energy-efficient frying process, reduced cooking times, and a healthier product due to lower frying temperatures and the consequent decreased formation of harmful compounds. This approach carries substantial implications for food processing, potentially enhancing productivity while limiting operational costs.