Results 1 to 10 of about 83,452 (308)

Implementation of the program process of preparation for starting tank engine under low temperatures [PDF]

open access: yesОмский научный вестник, 2022
In the presented work, the justification of the need to install a system of the program process of starting the heater on the objects of armored vehicles is given. The analysis of the currently available works on this topic is made.
V. I. Yadrov   +3 more
doaj   +1 more source

Comparative evaluation of the energy and economic efficiency of vapor compression heat pumps in modernization of large chemical and oil refining industries. Part 1 [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2023
The question of the feasibility of increasing the energy efficiency of large chemical and oil refining industries by replacing furnace heaters of process heat carriers and raw materials with vapor compression heat pumps is considered.
V. L. Yusha   +2 more
doaj   +1 more source

Development trend and prospect of flush air data pressure sensor for complex meteorological environment protection technology

open access: yesHangkong gongcheng jinzhan, 2023
The flush air data sensing system is a key or important flight sensor subsystem for the measurement of flight atmospheric parameters such as air pressure altitude, indicated airspeed, Mach number, angle of attack and sideshow angle, which are required ...
XIONG Liang   +4 more
doaj   +1 more source

Methods to reduce heat losses when transporting gas through long branch pipelines

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2023
The article considers options to reduce heat losses accompanying the process of pipeline transportation of natural gas through long branch pipelines. Computational modeling of the gas cooling process in an extended off-take gas pipeline connecting the ...
V. M. Yanchuk   +4 more
doaj   +1 more source

Waterproof spray‐induced lung injury while using a heater

open access: yesRespirology Case Reports, 2021
Key message Fluororesin in waterproof spray becomes a pyrolysis product due to the heat of tobacco as well as a heater and can cause lung injury. People should be aware that waterproof spray must not be used under these circumstances.
Yasuyuki Higashi   +3 more
doaj   +1 more source

Studying Four Different Permanent Magnet Eddy Currents Heaters with Different Magnet Areas and Numbers to Produce Heat Directly from a Vertical Axis Wind Turbine

open access: yesEnergies, 2021
Changing the magnetic field on a conductor metal can induce eddy currents, which cause heat generation. In this paper, we use this idea to convert wind energy into thermal energy directly.
Ali Khanjari   +4 more
doaj   +1 more source

High-Precision Optical Excited Heaters Based on Au Nanoparticles and Water-Soluble Porphyrin

open access: yesMetals, 2023
Gold nanoparticles are widely used as local heaters under optical excitation. Hybrid molecular-plasmon nanostructures based on gold nanoparticles and water-soluble porphyrin have been developed.
Alexey V. Povolotskiy   +4 more
doaj   +1 more source

Research of Car Cooler Thermal Performance Depending on the Mileage of Cooler and Coolant

open access: yesMachines, 2023
The effect of car cooler mileage and coolant mileage on cooler thermal performance was experimentally investigated. The water–ethylene-glycol-based coolant with mileages of 0 km, 50,000 km, and 100,000 km was circulated in new and used car coolers with ...
Marek Lipnický, Zuzana Brodnianská
doaj   +1 more source

Application test of energy-saving coating on crude oil pipeline heater

open access: yesYou-qi chuyun, 2020
The fuel energy consumption of heater accounts for a large proportion of the total energy consumption ofcrude oil pipeline transportation. Energy-saving coating can increase the tube blackness and wall reflectivity of the heaterwithout changing its ...
Entao HUANG   +7 more
doaj   +1 more source

Enhancing the Thermal Efficiency of Gas Pressure Reduction Stations (CGS) Heaters Using the Twisted Tapes (Case study: Iran Golestan Qaleh-Jiq Station) [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2021
In this study, Twisted Tape has been investigated to increase the heat transfer in the heaters of the pressure reducing station with a capacity of 1,000 m3 per hour (Golestan Qaleh-Jiq Station).
Parinaz Soleimani   +3 more
doaj   +1 more source

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