• Home
  • پیمان داوری

Author - پیمان داوری

Blue fin condenser coils Vs. Gold fin condenser coils
15Aug

Blue fin condenser coils Vs. Gold fin condenser coils

The coils play a crucial role in the efficiency of an air conditioner. such as which material to use, which condenser coil design to employ, how much these coils cost, how long they last, etc. The longevity of an air conditioner is directly related to the quality of its condenser coils. Its job is to reduce the temperature of the refrigerant as quickly as feasible. Because it is located outside, it is susceptible to deterioration and corrosion from exposure to the...

By Articles, Technichal Points, Training, , ,
Read more...
Technical Analysis of the Advantages and Limitations of Aluminum as Fins in Fin-and-Tube Coils
12Aug

Technical Analysis of the Advantages and Limitations of Aluminum as Fins in Fin-and-Tube Coils

Proposed Abstract:This paper presents a comprehensive examination of the reasons for using aluminum as the fin material in fin-and-tube coils. By reviewing thermal properties, heat transfer behavior, thermal conductivity, specific mass (density), corrosion resistance, formability, and manufacturing cost, we show that the combination of these characteristics makes aluminum well suited for HVAC, heating, and refrigeration applications. Additionally, the effects of fin design (fin density, thickness, and geometry), manufacturing processes (stamping, extrusion, and brazing), and performance metrics such as overall thermal...

By Articles, Technichal Points, Training, ,
Read more...
تحلیل و مقایسه تأثیر جریان‌های متقاطع و جریان موازی هم‌جهت و غیر هم‌جهت بر انتقال حرارت و پارامترهای عملکردی در کویل‌های فین‌تیوب
12Aug

Analysis and Comparison of the Effects of Crossflow and Parallel Flow (Co-flow and Counter-flow) on Heat Transfer and Performance Parameters in Finned Tube Coils

Finned tube coils are essential components in heating, ventilation, air conditioning (HVAC), and refrigeration systems, where efficient heat transfer between fluids and air is paramount. In these systems, the direction of fluid flow relative to the airflow—typically classified as crossflow, parallel co-flow, or parallel counter-flow—significantly impacts thermal performance and operational parameters. This study aims to analyze and compare the effects of these flow configurations on heat transfer efficiency, pressure drop, and overall coil effectiveness.

Flow Configurations in Finned Tube...

By Articles, Technichal Points, Training, ,
Read more...
مطالعه مدلسازی جریان سیال و انتقال حرارت در کویل‌های فین آلومینیومی با تیوب مسی در محیط‌های آلوده به ذرات معلق و گرد و غبار
05Aug

Modeling Fluid Flow and Heat Transfer in Aluminum Fin Coils with Copper Tubes in Dust-Contaminated Environments

Aluminum finned coils equipped with copper tubes are among the most widely used components in HVAC systems and industrial cooling and heating equipment. These coils combine the favorable properties of aluminum fins and copper tubes, resulting in high thermal efficiency and broad applicability across various environments. However, one of the significant challenges faced especially in industrial and urban environments is contamination of coil surfaces with suspended particles, dust, and airborne pollutants, which can severely degrade heat transfer efficiency and increase...

By Articles, Technichal Points, Training, ,
Read more...
Optimization of Aluminum Fin Geometry for Enhancing Cooling Efficiency in Copper Tube Coils
03Aug

Optimization of Aluminum Fin Geometry for Enhancing Cooling Efficiency in Copper Tube Coils

Finned coils composed of aluminum fins and copper tubes are among the most effective and widely used heat transfer systems in HVAC, refrigeration, and industrial heating and cooling applications. In these coils, the high thermal conductivity of copper tubes carrying the cooling or heating fluid combines with the adequate thermal conduction properties of aluminum fins to provide an optimal balance of heat transfer efficiency and corrosion resistance. A critical factor in improving the overall performance of these coils is the...

By Articles, Technichal Points, Training,
Read more...
The Impact of Environmental Pollution on the Performance of Water Coils
27Jul

The Impact of Environmental Pollution on the Performance of Water Coils

Introduction Water coils are essential components in heating, cooling, and air conditioning (HVAC) systems. Their main function is to transfer heat between the fluid circulating inside the coil (usually hot or chilled water) and the air passing over the coil’s surface. However, the efficiency of water coils is heavily influenced by several external factors—one of the most critical being environmental pollution. In this article, we explore how various types of environmental pollutants affect the performance, efficiency, and lifespan of

By Articles, Technichal Points, Training,
Read more...
بهینه‌سازی سیکل تبرید با بهبود عملکرد کندانسور در طراحی و ساخت کندانسور
15Jul

Optimization of Refrigeration Cycle by Enhancing Condenser Performance in the Design and Construction of Coil Fin and Tube Condensers

Introduction The condenser is a critical component in the refrigeration cycle, playing a vital role in heat exchange between the refrigerant fluid and the ambient environment. Optimizing condenser performance directly leads to increased system efficiency, reduced energy consumption, and extended equipment life. Particularly for coil fin and tube condensers—widely used in various industries due to their extensive surface area and effective heat transfer characteristics—improving design and operation is paramount. This article examines the key factors and methods affecting condenser performance and...

By Articles, Technichal Points, Training, ,
Read more...
Technical Study on the Use of Copper and Aluminum as Materials in Coil Fins and Tubes and Their Advantages Compared to Other Metals
10Jul

Technical Study on the Use of Copper and Aluminum as Materials in Coil Fins and Tubes and Their Advantages Compared to Other Metals

Introduction Coil fins and tubes are essential components in heat exchange systems used in HVAC equipment, chillers, unit heaters, and other thermal systems. The choice of material for manufacturing tubes and fins directly impacts heat transfer efficiency, overall system weight, corrosion resistance, and total cost. This article explores the technical reasons behind the use of copper for tubes and aluminum for fins, along with their advantages and comparisons to other metals. 1. Thermal and Mechanical Properties of Copper • High Thermal Conductivity: Copper...

By Articles, Technichal Points, Training, ,
Read more...
Air Washer in Industrial Warehouse ایر واشر صنعتی
07Jul

Air Washer in Industrial Warehouse HVAC: An Effective Cooling Solution

In industrial environments such as warehouses, HVAC (heating, ventilation, and air conditioning) plays a crucial role in maintaining a comfortable and safe working atmosphere. Due to the large space and high volume of air circulation, conventional cooling systems can be inefficient and costly. In this context, the air washer emerges as a specialized and cost-effective solution for cooling and air cleaning in industrial warehouses. This article reviews the structure, operation, and benefits of air washers in cooling warehouse air. Structure and...

By Articles, Technichal Points, Training,
Read more...
دستگاه زنت
11Jun

Zent

The Zent air conditioning unit is an innovative HVAC system designed to provide comfortable indoor air conditions under varying climatic scenarios. Utilizing evaporative cooling through a cellulose pad in the summer and a finned-tube hot water coil for winter heating, this device efficiently meets both cooling and heating demands with low energy consumption. Structure and Function of the Cellulose Pad in Summer Cooling One of the key components of the Zent unit is the cellulose pad, which serves as the core of...

By Articles, Technichal Points, Training,
Read more...